Supersprint BMW B58 De-Cat Downpipe for Track Use inc. M140i, M240i, 340i, 440i
Supersprint BMW B58 de-cat downpipe 524211 is the go-to catless downpipe upgrade for the B58 engine. If you are searching for BMW M140i decat, M240i decat, 340i downpipe, 440i downpipe, B58 catless downpipe, F20 F21 F22 F23 F30 F31 F32 F33 F36 downpipe or BMW B58 de cat down pipe, this is the high-performance track option that reduces back pressure after the turbo, improves gas flow and helps the turbo spool quicker for sharper throttle response and increased power potential when tuned. It delivers a stronger, more aggressive exhaust note and makes the most of your Stage 2 tuning on the B58 platform.
We run this de-cat downpipe on our own B58 builds and our customers with M140i, M240i, 340i and 440i models consistently praise the performance gain, response and sound. Supersprint’s easy fit and proven durability make it a favourite for serious track-focused BMW B58 owners.
Key reasons to choose the Supersprint B58 de-cat downpipe
- Catless de-cat design for maximum flow and lower back pressure after the turbo
- Improves turbo spool, throttle response and power potential with appropriate tuning
- Enhances exhaust sound and turbo character for a more engaging drive on track
- Easy fit with excellent durability from a leading European exhaust specialist
- Threaded bung for oxygen sensor provided
- For racing and track use only
Important notes
- De-cat downpipe may trigger a check engine light unless the ECU calibration is adjusted. Appropriate tuning recommended.
- For racing use only. Not for road use.
- For July 2019 onward OPF equipped models you will require the dedicated Supersprint BMW B58 De-Cat Downpipe for OPF equipped models M140i, M240i and 340i.
Compatibility
- BMW F20 / F21 LCI M140i 340 hp 2016 ->
- BMW F20 / F21 LCI M140i 340 hp 2016 -> with valve
- BMW F20 / F21 LCI M140i xDrive 340 hp 2016 ->
- BMW F20 / F21 LCI M140i xDrive 340 hp 2016 -> with valve
- BMW F22 M240i 340 hp 2016 -> 2017
- BMW F22 M240i 340 hp 2016 -> 2017 with valve
- BMW F22 M240i xDrive 340 hp 2016 -> 2017
- BMW F22 M240i xDrive 340 hp 2016 -> 2017 with valve
- BMW F22 LCI M240i 340 hp 2017 ->
- BMW F22 LCI M240i 340 hp 2017 -> with valve
- BMW F22 LCI M240i xDrive 340 hp 2017 ->
- BMW F22 LCI M240i xDrive 340 hp 2017 -> with valve
- BMW F23 M240i 340 hp 2016 -> 2017
- BMW F23 M240i 340 hp 2016 -> 2017 with valve
- BMW F23 M240i xDrive 340 hp 2016 -> 2017
- BMW F23 M240i xDrive 340 hp 2016 -> 2017 with valve
- BMW F23 LCI M240i 340 hp 2017 ->
- BMW F23 LCI M240i 340 hp 2017 -> with valve
- BMW F23 LCI M240i xDrive 340 hp 2017 ->
- BMW F23 LCI M240i xDrive 340 hp 2017 -> with valve
- BMW F30 / F31 LCI 340i 326 hp 2015 ->
- BMW F30 / F31 LCI 340iX 326 hp 2015 ->
- BMW F30 / F31 LCI 340i 326 hp 2015 -> with valve
- BMW F30 / F31 LCI 340iX 326 hp 2015 -> with valve
- BMW F34 LCI Gran Turismo 340i 326 hp 2016 ->
- BMW F34 LCI Gran Turismo 340i 326 hp 2016 -> with valve
- BMW F34 LCI Gran Turismo 340iX 326 hp 2016 ->
- BMW F34 LCI Gran Turismo 340iX 326 hp 2016 -> with valve
- BMW F32 LCI Coupe 440i 326 hp 2015 ->
- BMW F32 LCI Coupe 440i 326 hp 2015 -> with valve
- BMW F32 LCI Coupe 440iX 326 hp 2015 ->
- BMW F32 LCI Coupe 440iX 326 hp 2015 -> with valve
- BMW F33 LCI Cabrio 440i 326 hp 2015 ->
- BMW F33 LCI Cabrio 440i 326 hp 2015 -> with valve
- BMW F33 LCI Cabrio 440iX 326 hp 2015 ->
- BMW F33 LCI Cabrio 440iX 326 hp 2015 -> with valve
- BMW F36 LCI Gran Coupe 440i 326 hp 2015 ->
- BMW F36 LCI Gran Coupe 440i 326 hp 2015 -> with valve
- BMW F36 LCI Gran Coupe 440iX 326 hp 2015 ->
- BMW F36 LCI Gran Coupe 440iX 326 hp 2015 -> with valve
- BMW G30 540i B58 340 hp 2016 ->
- BMW G30 540i xDrive B58 340 hp 2016 ->
- BMW G31 Touring 540i xDrive B58 340 hp 2016 ->
- BMW G38 540Li B58 340 hp 2016 ->
- BMW G32 GT 640i B58 340 hp 2017 ->
- BMW G32 GT 640i xDrive B58 340 hp 2017 ->
- BMW G11 740i B58 326 hp 2016 ->
- BMW G12 740Li B58 326 hp 2016 ->
- BMW G12 740LiX B58 326 hp 2016 ->
- BMW G01 X3 M40i xDrive B58 360 hp 2017 -> with valve
- BMW G01 X3 M40i xDrive B58 360 hp 2017 ->
- BMW G02 X4 M40i xDrive B58 360 hp 2017 -> with valve
- BMW G02 X4 M40i xDrive B58 360 hp 2017 ->
Part number
524211
Fitting and support
Professional fitting available at Nforcd in Warwickshire. Request a quote by emailing Sales@nforcd.com. We are happy to advise on compatibility, setup and the ideal tuning path for your B58 decat downpipe build.
Manufacturer and warranty
Manufactured by Supersprint
Warranty Supersprint 3 year warranty
Search friendly tags
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