N40, N42, N46, N45 engine BMWs.
The seals fitted to the vanos solenoids are poor quality, these degrade over time due to extreme conditions found in the engine bay.
Our reengineered o rings are made from higher quality materials suitable for the application. These are easy to fit for any competent diy-er.
What Will I receive?
X4 seals to repair 2 solenoids.