OVERVIEW
Evolution Racewerks Competition Series 4-inch catless downpipe for EU/Asia-spec BMW X1 (F48), X2 (F39) and 2 Series Gran Coupe (F44) with the B48 four-cylinder, in front-wheel-drive (sDrive) and all-wheel-drive (xDrive) versions. The factory downpipe is the single biggest exhaust restriction on these cars, and the ER replacement significantly improves spool and mid-range torque on tuned applications.
SPECS
- T304 stainless steel construction, 4" body
- Competition Series: catless design for maximum flow
- Brush finish (S)
- Available in FWD (sDrive) and AWD (xDrive) versions — select your drivetrain at checkout
PARTS INCLUDED
- ER Competition Series catless downpipe, Brush finish
- Required gaskets and hardware
TECH RESOURCES
Additional Parts Required
- Supporting tuning is REQUIRED after installation to prevent check engine lights and realize the performance gain (sold separately).
Installation
- Installation guidance available through Evolution Racewerks technical support.
Notes
- Competition Series catless downpipes are for OFF-ROAD / RACE USE ONLY and are not emissions legal for street use.
- FWD (sDrive) and AWD (xDrive) cars take different downpipes — choose the drivetrain that matches your car.
- Confirm region spec and OPF presence before ordering — US and EU/Asia versions are not interchangeable.
PART NUMBER
- BM-EXH024S — Competition Series 4" catless downpipe, FWD (sDrive), Brush finish
- BM-EXH024S-X — Competition Series 4" catless downpipe, AWD (xDrive), Brush finish
- US Spec B46/B48 version — BM-EXH021S
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | X1 sDrive / X1 xDrive | F48 | B48 (EU/Asia Spec) | 2016+ |
| BMW | X2 sDrive / X2 xDrive | F39 | B48 (EU/Asia Spec) | 2016+ |
| BMW | 2 Series Gran Coupe / 2 Series Gran Coupe xDrive | F44 | B48 (EU/Asia Spec) | 2020+ |




