Know the landed cost before you order
Prices include VAT. UK delivery is £14.39, free when K&N and EBC items total £240 before checkout discount codes. Other brands do not count towards this threshold. International delivery is not yet available.
Available to Order
Not sure which one? Ask us to confirm fitment first →Prices include VAT. UK delivery is £14.39, free when K&N and EBC items total £240 before checkout discount codes. Other brands do not count towards this threshold. International delivery is not yet available.
Contact us before ordering if you need delivery by a particular date.
We confirm build spec, lead time and delivery arrangements with you before any money moves. Prefer to talk it through first?
The right brake upgrade makes a capable car even more satisfying to use. The EBC Apollo BBK042 pairs six-piston front calipers with a choice of 380 mm or 355 mm floating discs for the listed GR Supra and BMW applications. It is a substantial hardware upgrade for a firmer pedal and repeated braking heat, with the factory brake-package conditions kept clear below.
Kit reference: BBK042. Exact SKUs for every available configuration are listed below.
The reinforced caliper body helps keep the response precise under pressure, while the floating disc ring can expand separately from its bell when it gets hot. Both versions use that approach; the larger disc is not an automatic fitment upgrade for every application or wheel. Match the version to your car, including the relevant M Sport or M Performance brake notes where listed.
The road calipers are designed, manufactured and assembled in the UK from heat-treated, low-pressure cast aluminium. Their two-piece bodies use grade 12.9 bridge bolts, with hard-anodised aluminium pistons, stainless-steel bleed nipples and wear plates. The material and construction put substance behind the appearance of the upgrade.
External dust boots keep road dirt and debris away from the pistons, with high-temperature EPDM fluid seals behind them. A hard-anodised body gives corrosion protection beneath the high-temperature colour coating, while the single pad-retention bolt allows quick pad changes when servicing is due.
Version 1 uses 380 mm discs; Version 2 uses 355 x 32 mm discs. Both have six-piston calipers. The application table separates the version-specific vehicle coverage and original brake conditions. Check your exact wheel template before choosing either size.
Black, Blue, Red and Yellow are the painted road-caliper choices, with external dust boots and aluminium pistons. Choose the finish you want to see behind your wheels without changing the kit specification for that version.
Race competition is a different hardware and pad specification: hard-anodised calipers, stainless-steel castellated pistons and RP-X race pads. It is intended for dedicated track and race use, rather than chosen as another paint colour.
Road-kit front pads: Version 2: Bluestuff.
Bluestuff combines cold bite for road use with capability for lighter track work. Dedicated racing asks something different of a pad; use the competition specification where that is the car's purpose.
With the painted road configurations you receive:
The Race competition front brake assembly combines Apollo competition calipers, fully floating two-piece discs to the selected specification and RP-X race pads.
| Specification | Details |
|---|---|
| Kit reference | BBK042; individual SKUs are listed in the option table |
| Supplied front discs | Version 1 - 380 mm, 6 piston Version 2 - 355 mm, 6 piston (355 x 32 mm) |
| Disc construction | Fully floating, two-piece front discs |
| Front caliper piston count | 6 per caliper, according to the selected kit specification |
| Road caliper body | Heat-treated low-pressure cast aluminium; two-piece construction with grade 12.9 bridge bolts |
| Road caliper pistons | Hard-anodised aluminium with serrated/castellated noses |
| Road caliper seals | External dust boots and high-temperature EPDM fluid seals |
| Road caliper factory pressure test | 2,500 psi factory pressure test |
| Road caliper finish | Hard-anodised body with high-temperature colour coating; Black, Blue, Red or Yellow |
| Road caliper manufacture | Designed, manufactured and assembled in the UK |
| Road-kit front pads | Version 2: Bluestuff |
| Road-kit brake lines | Stainless-steel braided brake lines |
| Road-kit fluid | 1 litre BF307+ Super DOT 4 |
| Road-kit mounting parts | Vehicle-specific brackets and fitting hardware |
| Race competition calipers | Hard-anodised finish with stainless-steel castellated pistons |
| Race competition pads | RP-X race compound |
| Race competition use | Dedicated track and race use |
| Wheel clearance | Check the exact kit template against the actual wheel, including spoke clearance |
| SKU | Kit specification | Caliper configuration |
|---|---|---|
| BBK042BLK-1 | Version 1 - 380 mm, 6 piston | Black |
| BBK042BLU-1 | Version 1 - 380 mm, 6 piston | Blue |
| BBK042R-1F | Version 1 - 380 mm, 6 piston | Race competition |
| BBK042RED-1 | Version 1 - 380 mm, 6 piston | Red |
| BBK042YEL-1 | Version 1 - 380 mm, 6 piston | Yellow |
| BBK042BLK-2 | Version 2 - 355 mm, 6 piston | Black |
| BBK042BLU-2 | Version 2 - 355 mm, 6 piston | Blue |
| BBK042R-2F | Version 2 - 355 mm, 6 piston | Race competition |
| BBK042RED-2 | Version 2 - 355 mm, 6 piston | Red |
| BBK042YEL-2 | Version 2 - 355 mm, 6 piston | Yellow |
We also offer tuning services. Talk to us about tuning for your car and current setup. Tuning is quoted separately.
Match your vehicle, engine, year and any brake-package notes in the table. Disc measurements in this fitment table describe the original brakes; the new kit dimensions are listed under Technical specifications and in the SKU table.
Application years can vary by engine and kit option; check the detailed rows for your vehicle.
| Vehicle | Application years |
|---|---|
| BMW 2 Series (G42) - Coupe | 2022-2025 |
| BMW 2 Series (G42) - Coupe, xDrive | 2022-2025 |
| BMW 2 Series - xDrive | Not specified; match the vehicle and chassis |
| BMW 3 Series (G20) | 2019-2020; 2019-2022; 2019-2025; 2020-2025 |
| BMW 3 Series (G20) - xDrive | 2019-2022; 2019-2025; 2020-2025 |
| BMW 3 Series (G21) | 2019-2025; 2020-2025 |
| BMW 3 Series (G21) - xDrive | 2019-2025; 2020-2025 |
| BMW 5 Series (G30) | 2017-2020; 2017-2023; 2018-2020; 2020-2023 |
| BMW 5 Series (G30) - xDrive | 2017-2020; 2017-2023; 2020-2023 |
| BMW 5 Series (G31) | 2017-2019; 2017-2020; 2017-2023; 2020-2023 |
| BMW 5 Series (G31) - xDrive | 2017-2020; 2017-2023; 2020-2023 |
| BMW X3 (G01) | 2017-2019; 2017-2024; 2018-2024; 2019-2022; 2020-2024; 2022-2024 |
| BMW X3 M (F97) | 2019-2024 |
| BMW X4 (G02) | 2018-2022; 2018-2024; 2018-2025; 2022-2025 |
| BMW Z4 (G29) - GB | 2018-2025; 2019-2025 |
| Toyota GR Supra | 2019-2022; 2019-2024; Not specified; match the vehicle and chassis |
| Vehicle | Engine / model specification | Years | Kit options | Fitting notes / original brake details |
|---|---|---|---|---|
| BMW 2 Series (G42) - Coupe | 220d · 2.0 Turbo Diesel · 190 bhp 220i · 2.0 Turbo Petrol · 184 bhp 230i · 2.0 Turbo Petrol · 245 bhp M240i · 3.0 Turbo Petrol · 374 bhp |
2022-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 2 Series (G42) - Coupe, xDrive | M240i · 3.0 Turbo Petrol · 374 bhp | 2022-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 2 Series - xDrive | M235i · Engine not specified | Not specified; match the vehicle and chassis | All listed kit options | No additional application restriction listed |
| BMW 3 Series (G20) | 320d · 2.0 Turbo Diesel · 163 bhp | 2019-2020 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | 320d · 2.0 Turbo Diesel · 163 bhp | 2019-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | M340i · 3.0 Turbo Petrol · 374 bhp | 2019-2022 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | 318d · 2.0 Turbo Diesel · 148 bhp 320d · 2.0 Turbo Diesel · 188 bhp 320i · 1.6 Turbo Petrol · 170 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | 318d · 2.0 Turbo Diesel · 148 bhp 320d · 2.0 Turbo Diesel · 188 bhp 320i · 1.6 Turbo Petrol · 170 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | M340i · 3.0 Turbo Petrol · 374 bhp | 2019-2025 | All listed kit options | M Performance brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | M340i · 3.0 Turbo Petrol · 374 bhp | 2019-2025 | Version 2 - 355 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | 318i · 2.0 Turbo Petrol · 156 bhp | 2020-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | 318i · 2.0 Turbo Petrol · 156 bhp | 2020-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | M340d · 3.0 Turbo Diesel · 374 bhp | 2020-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Performance brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) | M340d · 3.0 Turbo Diesel · 374 bhp | 2020-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | M340i · 3.0 Turbo Petrol · 374 bhp | 2019-2022 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | 320d · 2.0 Turbo Diesel · 188 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | 320d · 2.0 Turbo Diesel · 188 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | M340i · 3.0 Turbo Petrol · 374 bhp | 2019-2025 | All listed kit options | M Performance brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | M340d · 3.0 Turbo Diesel · 374 bhp | 2020-2025 | All listed kit options | M Performance brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G20) - xDrive | M340d · 3.0 Turbo Diesel · 374 bhp | 2020-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 320d · 2.0 Turbo Diesel · 188 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 320d · 2.0 Turbo Diesel · 188 bhp 320i · 2.0 Turbo Petrol · 181 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 330d · 3.0 Turbo Diesel · 261 bhp | 2019-2025 | Version 2 - 355 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 330e · 2.0 Turbo Petrol · 261 bhp | 2019-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 318i · 2.0 Turbo Petrol · 156 bhp | 2020-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) | 318i · 2.0 Turbo Petrol · 156 bhp M340d · 3.0 Turbo Diesel · 374 bhp |
2020-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) - xDrive | 320d · 2.0 Turbo Diesel · 188 bhp | 2019-2025 | Version 2 - 355 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) - xDrive | 320d · 2.0 Turbo Diesel · 188 bhp 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp |
2019-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) - xDrive | 330d · 3.0 Turbo Diesel · 261 bhp 330e · 2.0 Turbo Petrol · 292 bhp 330i · 2.0 Turbo Petrol · 255 bhp M340i · 3.0 Turbo Petrol · 374 bhp |
2019-2025 | All listed kit options | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) - xDrive | 320d · 2.0 Turbo Diesel · 188 bhp | 2020-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 3 Series (G21) - xDrive | M340d · 3.0 Turbo Diesel · 374 bhp | 2020-2025 | Version 2 - 355 mm, 6 piston - all listed caliper configurations | M Sport brake package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 520i · 2.0 Turbo Petrol · 163 bhp 520i · 2.0 Turbo Petrol · 211 bhp 525d · 2.0 Turbo Diesel · 231 bhp 530d · 3.0 Turbo Diesel · 265 bhp |
2017-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 520d · 2.0 Turbo Diesel · 190 bhp 520i · 2.0 Turbo Petrol · 184 bhp 530e · 2.0 Turbo Petrol · 252 bhp 530i · 2.0 Turbo Petrol · 252 bhp 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 518d · 2.0 Turbo Diesel · 150 bhp | 2018-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | M Performance Package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | 530d · 3.0 Turbo Diesel · 265 bhp M550i · 4.4 Twin Turbo Petrol · 462 bhp |
2017-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | M550i · 4.4 Twin Turbo Petrol · 462 bhp | 2017-2020 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | 520d · 2.0 Turbo Diesel · 190 bhp 530e · 2.0 Turbo Petrol · 252 bhp 530i · 2.0 Turbo Petrol · 252 bhp 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp M550D · 3.0 Turbo Diesel · 400 bhp |
2017-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp M550D · 3.0 Turbo Diesel · 400 bhp |
2017-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | M Performance Package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | 530d · 3.0 Turbo Diesel · 286 bhp M550i · 4.4 Twin Turbo Petrol · 523 bhp |
2020-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G30) - xDrive | M550i · 4.4 Twin Turbo Petrol · 523 bhp | 2020-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 520d · 2.0 Turbo Diesel · 163 bhp | 2017-2019 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 518d · 2.0 Turbo Diesel · 150 bhp 520i · 2.0 Turbo Petrol · 211 bhp 525d · 2.0 Turbo Diesel · 231 bhp 530d · 3.0 Turbo Diesel · 265 bhp |
2017-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 530d · 3.0 Turbo Diesel · 265 bhp | 2017-2020 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 520d · 2.0 Turbo Diesel · 190 bhp 520i · 2.0 Turbo Petrol · 184 bhp 530i · 2.0 Turbo Petrol · 252 bhp 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | M Performance Package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | 530d · 3.0 Turbo Diesel · 265 bhp M550D · 3.0 Turbo Diesel · 400 bhp M550i · 4.4 Twin Turbo Petrol · 462 bhp |
2017-2020 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | M550D · 3.0 Turbo Diesel · 400 bhp M550i · 4.4 Twin Turbo Petrol · 462 bhp |
2017-2020 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | 520d · 2.0 Turbo Diesel · 190 bhp 530i · 2.0 Turbo Petrol · 252 bhp 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | 540d · 3.0 Turbo Diesel · 320 bhp 540i · 3.0 Turbo Petrol · 340 bhp |
2017-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | 530d · 3.0 Turbo Diesel · 286 bhp | 2020-2023 | All listed kit options | M Performance Package Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | 530d · 3.0 Turbo Diesel · 286 bhp M550i · 4.4 Twin Turbo Petrol · 523 bhp |
2020-2023 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW 5 Series (G31) - xDrive | M550i · 4.4 Twin Turbo Petrol · 523 bhp | 2020-2023 | All listed kit options | M Performance Package dimpled discs front and rear Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 3.0 Turbo Petrol · 355 bhp | 2017-2019 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 2.0 Turbo Diesel · 187 bhp 2.0 Turbo Petrol · 181 bhp 2.0 Turbo Petrol · 249 bhp 3.0 Turbo Diesel · 261 bhp |
2017-2024 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 3.0 Turbo Diesel · 326 bhp | 2018-2024 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 3.0 Turbo Petrol · 390 bhp | 2019-2022 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 2.0 Turbo Petrol · 293 bhp | 2020-2024 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 (G01) | 3.0 Turbo Petrol · 293 bhp 3.0 Turbo Petrol · 360 bhp |
2022-2024 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X3 M (F97) | F97 · 3.0 Turbo Petrol · 480 bhp | 2019-2024 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X4 (G02) | 3.0 Turbo Petrol · 355 bhp | 2018-2022 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X4 (G02) | 2.0 Turbo Petrol · 181 bhp 2.0 Turbo Petrol · 248 bhp |
2018-2024 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X4 (G02) | 2.0 Turbo Diesel · 188 bhp 2.0 Turbo Diesel · 228 bhp 3.0 Turbo Diesel · 261 bhp 3.0 Turbo Diesel · 322 bhp |
2018-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X4 (G02) | 2.0 Turbo Petrol · 181 bhp 2.0 Turbo Petrol · 248 bhp |
2018-2025 | Version 2 - 355 mm, 6 piston - all listed caliper configurations | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW X4 (G02) | 3.0 Turbo Petrol · 360 bhp | 2022-2025 | All listed kit options | Please check wheel clearance template prior to purchase, this kit may not fit with OE wheels |
| BMW Z4 (G29) - GB | 3.0 Turbo · 335 bhp | 2018-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | No additional application restriction listed |
| BMW Z4 (G29) - GB | 2.0 Turbo · 197 bhp 2.0 Turbo · 258 bhp |
2019-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | No additional application restriction listed |
| BMW Z4 (G29) - GB | 2.0 Turbo · 197 bhp 2.0 Turbo · 258 bhp |
2019-2025 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | M Performance Package |
| Toyota GR Supra | Engine not specified | Not specified; match the vehicle and chassis | Version 2 - 355 mm, 6 piston - all listed caliper configurations | No additional application restriction listed |
| Toyota GR Supra | 3 Turbo Petrol · 335 bhp | 2019-2022 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | Original front PCD: 120 Original front caliper: Brembo Original front disc diameter (mm): 348 Original front disc height (mm): 66 Original front disc new thickness (mm): 30 |
| Toyota GR Supra | 3.0 Twin Turbo · 335 bhp | 2019-2024 | Version 1 - 380 mm, 6 piston - all listed caliper configurations | No additional application restriction listed |
Have the kit fitted by a qualified brake specialist. The installation needs clean, sound mounting surfaces, the correct hardware and torques, proper bleeding, and clearance checks through steering and suspension movement. Dust-shield removal or modification can be part of fitting; keep any vehicle-specific instructions in the application table with the job.
The road kit is designed around the original master cylinder and rear brakes. If you have changed the master cylinder or rear brake arrangement separately, have your installer check compatibility and brake balance before ordering.
Follow the fitting instructions and the bedding procedure for the supplied pad compound before demanding full performance. When rear components are supplied, fit them as part of the intended brake upgrade. Inspect pad and disc condition regularly, especially during circuit use, and keep the hydraulic system in good condition.
No. For BBK042, Version 1 is 380 mm and Version 2 is 355 mm. Both use six-piston calipers, and the application table shows which versions match the listed vehicle and factory brake package.
Use the template for the exact kit version, printed at 100% scale, against the actual wheel. Wheel diameter alone does not establish spoke or caliper clearance. Send us your kit choice and wheel details if you need help arranging the check.
The friction ring can expand independently of its mounting bell as it heats up. That reduces thermal stress during repeated braking and is one of the engineering differences behind a fully floating two-piece kit.
You choose hard-anodised competition calipers, stainless-steel castellated pistons and RP-X race pads for dedicated circuit use. The painted road calipers use aluminium pistons and external dust boots. Use the exact SKU table to keep the chosen disc size and caliper configuration together.
A big brake conversion includes new front calipers as well as the discs and pads. The reinforced Apollo calipers and fully floating two-piece discs change the front brake assembly itself, with the matching kit specification and fitting requirements shown above.
Want help choosing the right BBK042 configuration? Talk to us about your vehicle, wheels and how you use it, and we can help you choose the right brake upgrade.
Image shown is generic and may not reflect actual parts.
Prices include VAT. UK delivery is £14.39, free when K&N and EBC items total £240 before checkout discount codes. Other brands do not count towards this threshold. International delivery is not yet available.
Contact us before ordering if you need delivery by a particular date.
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.
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