The diverter valve spacer is designed for the turbochargers of BMW N55 engines. Its design allows compressed air from the turbocharger to be released into the atmosphere, creating a more pronounced blow-off valve (BOV) sound when changing gear and closing the throttle.
Strategically positioned ports provide enhanced sound without triggering the check engine light (CEL). The spacer has been tested on various vehicles with the N55 engine.
Features:
- CNC-machined 6061-T6 aluminium with a black anodised finish
- Does not trigger the check engine light
- Precisely sized ports for an optimal balance of sound
Suitable for: BMW 1 II (F20/F21), BMW 2 I (F22/F23/F45/F46/F87), BMW 3 VI (F30/F31/F34/F80), BMW 4 I (F32/F33/F36/F82/F83), BMW M2 I (F22/F23/F45/F46/F87).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| BMW 335i | — | 2013–2015 | — |
| BMW 335i xDrive | — | 2013–2015 | — |
| BMW 435i | — | 2013–2016 | — |
| BMW 435i xDrive | — | 2013–2016 | — |
| BMW M135i | — | 2014–2016 | — |
| BMW M2 | — | 2015–2018 | — |
| BMW M235i | — | 2014–2016 | — |
| BMW M235i 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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