Genuine BMW B58 Downpipe Gasket - OEM Turbo to Downpipe Gasket - Part Number 18328612538
Keep your B58-powered BMW leak free and performing at its best with the Genuine BMW B58 downpipe gasket. This OEM BMW turbo to downpipe gasket is the correct replacement part when fitting a sport cat downpipe or decat downpipe on M140i, M240i, 340i, M340i, 440i, 540i and other B58 models. Part number 18328612538.
If you are upgrading your exhaust, removing the downpipe, or chasing an exhaust leak, this genuine BMW B58 downpipe gasket ensures a perfect seal between the turbo and downpipe for reliable performance, no fumes, no soot and no annoying whistle. It is highly recommended to replace this gasket every time the downpipe is removed or replaced.
Why choose the Genuine BMW B58 Downpipe Gasket 18328612538
- OEM BMW quality and fitment for B58 engines
- Correct turbo to downpipe sealing ring for sport cat and decat installations
- Prevents exhaust leaks, smells and soot build-up at the turbo outlet
- Maintains boost and backpressure for consistent performance
- Direct replacement part number 18328612538
At Nforcd we use this genuine BMW B58 downpipe gasket in-house on customer cars and our own builds. Fitment is spot on and feedback from owners has been excellent for long-term sealing and reliability. For best results, pair it with a new downpipe V-band clamp when refitting.
Recommended additional part
You may also require the Genuine BMW B58 Downpipe V-Band Clamp when installing a new downpipe. Replacing the clamp at the same time as the gasket helps ensure a secure, leak free connection.
Compatibility - BMW B58 turbo downpipe gasket
Fits the following BMW models with the B58 engine:
- F20 F21 M140i and M140iX
- F22 F23 M240i and M240iX
- F30 F31 340i and 340iX
- F32 F33 440i and 440iX
- F36 440i Gran Coupé
- G20 G21 M340i and M340iX
- G30 G31 540i and 540iX
- Additional B58 applications including selected 7 Series, 8 Series, X3, X4, X5, X6, X7 and Z4 as listed below
Full compatibility list
- 1' F20 LCI (09/2015 - 06/2019)
- 1' F21 LCI (09/2015 - 06/2019)
- 2' F22 (09/2015 - 06/2017)
- 2' F22 LCI (09/2016 - 12/2019)
- 2' F23 (09/2015 - 06/2017)
- 2' F23 LCI (10/2016 - 12/2019)
- 3' F30 LCI (10/2014 - 10/2018)
- 3' G20 (01/2018 - 12/2019)
- 3' F31 LCI (10/2014 - 06/2019)
- 3' G21 (10/2018 - 12/2019)
- 3' F34 GT LCI (09/2015 - 12/2019)
- 4' F32 (04/2015 - 02/2017)
- 4' F32 LCI (05/2016 - 12/2019)
- 4' F33 (03/2015 - 02/2017)
- 4' F33 LCI (05/2016 - 12/2019)
- 4' F36 Gran Coupé (03/2015 - 02/2017)
- 4' F36 Gran Coupé LCI (05/2016 - 12/2019)
- 5' G30 (10/2015 - 12/2019)
- 5' G31 (03/2016 - 12/2019)
- 6' G32 GT (09/2016 - 12/2019)
- 7' G11 (10/2014 - 01/2019)
- 7' G11 LCI (01/2018 - 12/2019)
- 7' G12 (10/2014 - 02/2019)
- 7' G12 LCI (01/2018 - 12/2019)
- 8' G14 (06/2018 - 12/2019)
- 8' G15 (06/2018 - 12/2019)
- 8' G16 Gran Coupé (05/2018 - 12/2019)
- X3 G01 (10/2016 - 12/2019)
- X4 G02 (03/2017 - 12/2019)
- X5 G05 (10/2017 - 12/2019)
- X6 G06 (06/2018 - 12/2019)
- X7 G07 (11/2017 - 12/2019)
- Z4 G29 (10/2017 - 12/2019)
Part number
Genuine BMW Part Number: 18328612538
Manufactured by
BMW
Fitting and support
Professional fitting available at Nforcd in Warwickshire. For a fitting quote or advice on your BMW B58 downpipe gasket, turbo to downpipe installation, sport cat or decat downpipe upgrades, contact Sales@nforcd.com.
Compatibility check
We run a compatibility check prior to dispatch. Enter your UK registration number or the last 7 digits of your VIN at checkout so we can confirm this B58 downpipe gasket 18328612538 fits your vehicle.
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a compatible VIN is provided at checkout.
Search terms to help you find the right part
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