Supersprint BMW B58 De-Cat Downpipe for OPF equipped models, part number 522311. A proven performance exhaust upgrade for BMW M140i, M240i and 340i with OPF or GPF. This catless downpipe is designed for track use only and is a direct fit for the B58 engine in F series BMW models. It dramatically reduces back pressure after the turbocharger with clear benefits for exhaust gas flow and temperatures, while retaining the easy fit and durability Supersprint is known for. A threaded bung for the oxygen sensor is provided.
If you are searching for BMW B58 downpipe OPF, BMW M140i downpipe OPF, BMW M240i OPF decat, BMW 340i OPF decat, B58 catless downpipe, de-cat downpipe for OPF, or GPF downpipe for B58, this is the Supersprint solution built to deliver track focused performance and reliability.
Why choose this Supersprint B58 OPF de-cat downpipe
- Reduces turbo back pressure for improved exhaust gas flow
- Beneficial effects on operating temperatures under heavy load
- Direct fit for OPF or GPF equipped BMW B58 models
- Easy installation and long term durability
- Includes threaded oxygen sensor bung
- Track use only, racing part
Compatibility
For OPF or GPF equipped models, typically July 2018 onward. Please confirm your car has OPF or GPF before ordering.
- BMW 1 Series F20 F21 LCI M140i
- BMW 2 Series F22 F23 LCI M240i
- BMW 3 Series F30 F31 LCI 340i
For pre July 2019 non OPF equipped models, you will need the Supersprint BMW B58 De-Cat Downpipe for non OPF M140i, M240i and 340i.
Fitment and support
Professional fitting is recommended. Choose Nforcd in Warwickshire for installation and setup. Request a fitting quote at Sales@nforcd.com.
Important notes
- For racing use only, not for road use
- Removal of the catalytic converter requires electronic management changes to prevent a check engine light CEL
Manufacturer and warranty
Manufactured by: Supersprint
Warranty: Supersprint 3 year warranty
Part number
522311
What our customers say
We have installed this Supersprint B58 OPF de-cat downpipe on multiple customer cars as well as our own development vehicles. Feedback has been consistently positive about the fit quality and the performance focused reduction in back pressure and temperatures on track.
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