Active Autowerke GESI Sports Cat Downpipe — BMW G-Series B58 Euro
DESCRIPTION
The Euro-specification Active Autowerke GESI sports-cat downpipe for selected B58-powered G-series BMWs. It uses 304 stainless steel construction, a flex section and a GESI catalytic converter, with the Euro-specific mounting arrangement.
Fitment
- BMW G42 M240i, G20/G21 M340i and G22/G23 M440i in Euro specification.
- Manufacturer part number: 11-123. This is not the US-market 11-062 version.
- Not listed for F-series cars or the G30 540i.
Installation
Professional installation is recommended. Before fitting, check that the connections and mounting points match your car.
Important information
A sports catalyst does not automatically make this downpipe road legal. UK type approval and MOT compliance are not confirmed.
Power gains and the absence of engine warning lights are not guaranteed.
DISCLAIMER
Where applicable, the use of de-cats, sports cats and removing OPF/GPF systems is for off-road/motorsport use only. Using these parts may prevent your vehicle from passing an MOT test. Only EC type-approved components are legal and fit for road use.
SHIPPING & WARRANTY
Free UK shipping on all orders. In-stock orders are dispatched Monday–Friday. Please refer to the live dispatch estimate above for the current estimated dispatch day. Tracking is provided once your order is dispatched.
Warranty coverage varies by product and manufacturer. Please contact us if you need confirmation of warranty coverage before ordering. Your statutory rights are unaffected.