Active Autowerke GESI Sports Cat Downpipe — BMW N55 F-Series EWG
DESCRIPTION
A GESI sports-cat downpipe for later electronic-wastegate N55-powered BMW F-Series models. Stainless-steel pipework and a high-flow catalyst replace the original downpipe assembly.
Key details
- 304 stainless-steel construction.
- 3.5-inch pipework with a 4.5-inch GESI catalyst housing.
- Manufacturer part number: 11-040.
Fitment
- BMW M135i F20/F21 with N55 engine, from August 2013 production.
- BMW M235i F22/F23 with N55 engine.
- BMW M2 F87 with N55 engine.
- BMW 335i F30/F31 with N55 engine, from August 2013 production.
- BMW 435i F32/F33/F36 with N55 engine.
- For the EWG/4-inch turbo-to-downpipe interface. Not for earlier PWG/3.5-inch-interface cars, E-Series N55, S55 M2 Competition/CS, 5-Series or X models.
Installation
Professional installation is recommended. Confirm the build date, wastegate type and original exhaust connections before ordering.
Important information
UK type approval and MOT compliance are not claimed. Fitting a sports catalyst does not automatically establish road legality. 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.