The CTS Turbo diverter valve spacer is designed for BMW N20/N26 engines and creates a more pronounced characteristic turbocharger sound. It releases excess boost pressure into the atmosphere, producing a recognisable “whoosh” sound under acceleration.
Key features:
- More pronounced turbocharger sound: The diverter valve spacer releases excess boost pressure into the atmosphere and creates a more pronounced turbo engine sound.
- Precision construction: It is made from high-quality machined aluminium and is installed between the factory diverter valve and the turbocharger housing. It provides a precise fit and long-term durability.
- Easy installation: Installation is carried out directly by bolting it in place and can be completed in less than one hour. No additional modifications are required.
- No engine warning light: The spacer is designed to work with the factory electronics of N20/N26 engines, so its use does not trigger the engine warning light.
- Compatibility: It is designed for BMW N20 and N26 engines, including those in the 228i, 328i and 428i, as well as other 2.0-litre turbocharged BMW models.
The kit weighs 0.45 kg.
Suitable for: BMW 2 I (F22/F23/F45/F46/F87), BMW 3 VI (F30/F31/F34/F80), BMW 4 I (F32/F33/F36/F82/F83).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| BMW 228i | — | 2013–2017 | — |
| BMW 328i | — | 2012–2016 | — |
| BMW 328i xDrive | — | 2012–2016 | — |
| BMW 428i | — | 2014–2016 | — |
| BMW 428i xDrive | — | 2014–2016 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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