RB BMW N54 Replacement O-Ring for PCV Valve — 135i, 335i, 535i, Z4 35i
Stop boost leaks and keep your BMW N54 running strong with this genuine RB replacement O-ring for the RB PCV Valve. If your OEM seal is tired or you are chasing a vacuum or boost leak on a tuned N54 twin turbo engine, this direct replacement PCV O-ring is a simple, low-cost fix that restores a proper seal in the crankcase ventilation system.
We use this O-ring on our own N54 builds and customer cars and it has been consistently reliable. Customers love the easy install and the immediate improvement in drivability when a leaking PCV seal was the culprit.
Why buy this N54 PCV O-ring
- Direct replacement O-ring for RB PCV Valve — restores a correct seal
- Helps eliminate boost leaks and vacuum leaks on tuned or stock N54 engines
- Ideal maintenance item for 135i, 335i, 535i and Z4 35i twin turbo models
- Perfect for high-boost and higher horsepower N54 applications
- Quick, affordable fix for rough idle, loss of power and inconsistent boost caused by a leaking PCV seal
What is included
This listing includes the O-ring only for the RB PCV Valve. The PCV Valve itself is not included.
Compatibility — BMW N54 twin turbo
- E82/E81 135i
- E90/E91/E92/E93 335i
- E60/E61 535i
- E89 Z4 35i
Fits all BMW N54 twin turbo petrol engines that are equipped with the RB PCV Valve.
Part number
RB01
Fitting and support
Direct fit replacement for the RB PCV Valve O-ring. If you would like professional fitting, Nforcd can help at our workshop in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check
We will verify fitment before dispatch. Add your vehicle registration number for UK vehicles or the last 7 digits of your VIN at checkout so we can confirm compatibility.
Manufacturer and warranty
Manufactured by: Rob Beck (RB)
Warranty: Rob Beck do not offer warranty on this item.
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