Available to Order
Not sure which one? Ask us to confirm fitment first →For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
We confirm build spec, lead time and delivery arrangements with you before any money moves. Prefer to talk it through first?
Milltek BMW F40 M135i Maxton × Milltek OPF-back. Choose from the configurations below.
BMW · 1 Series · M135i xDrive 5 Door (F40 OPF/GPF Equipped) · 2019 and Later
| Milltek part number | Tailpipe Finish | System details |
|---|---|---|
| SSXBM1244 | Quad GT-100 Polished | BMW F40 M135i - Maxton x Milltek - OPF/GPF Back System with Quad GT-100 Polished Trims - Fits Maxton Diffuser Only |
| SSXBM1245 | Quad GT-100 Cerakote Black | BMW F40 M135i - Maxton x Milltek - OPF/GPF Back System with Quad GT-100 Cerakote Black Trims - Fits to Maxton Diffuser Only |
| SSXBM1246 | Quad GT-100 Brushed Titanium | BMW F40 M135i - Maxton x Milltek - OPF/GPF Back Exhaust System with Quad GT-100 Brushed Titanium Trims - Fits Maxton Diffuser Only |
| SSXBM1247 | Quad GT-100 Burnt Titanium | BMW F40 M135i - Maxton x Milltek - OPF/GPF Back System with Quad GT-100 Burnt Titanium Trims |
This Milltek Sport exhaust system is listed for the BMW F40 M135i. The specified configuration is maxton x Milltek - OPF/GPF Back System with Quad GT-100 Polished Trims - Fits Maxton Diffuser Only.
Fitment can vary by engine, body style, market specification and emissions equipment. Check the configuration, trim finish and any catalyst or diffuser requirements against the car before ordering. If the vehicle is imported, modified or already fitted with aftermarket exhaust parts, contact Hoonies first.
This Milltek Sport exhaust system is listed for the BMW F40 M135i. The specified configuration is maxton x Milltek - OPF/GPF Back System with Quad GT-100 Cerakote Black Trims - Fits to Maxton Diffuser Only.
Fitment can vary by engine, body style, market specification and emissions equipment. Check the configuration, trim finish and any catalyst or diffuser requirements against the car before ordering. If the vehicle is imported, modified or already fitted with aftermarket exhaust parts, contact Hoonies first.
This Milltek Sport exhaust system is listed for the BMW F40 M135i. The specified configuration is maxton x Milltek - OPF/GPF Back Exhaust System with Quad GT-100 Brushed Titanium Trims - Fits Maxton Diffuser Only.
Fitment can vary by engine, body style, market specification and emissions equipment. Check the configuration, trim finish and any catalyst or diffuser requirements against the car before ordering. If the vehicle is imported, modified or already fitted with aftermarket exhaust parts, contact Hoonies first.
This Milltek Sport exhaust system is listed for the BMW F40 M135i. The specified configuration is maxton x Milltek - OPF/GPF Back System with Quad GT-100 Burnt Titanium Trims.
Fitment can vary by engine, body style, market specification and emissions equipment. Check the configuration, trim finish and any catalyst or diffuser requirements against the car before ordering. If the vehicle is imported, modified or already fitted with aftermarket exhaust parts, contact Hoonies first.
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
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.
