2 07, 2022

S55 Exhaust Camshaft Alignment Noise

A common issue with the S55 engine found in the F80, F82, F83 and F87 is a ticking noise generally heard at idle speed. Many owners fear the worst and have sleepless nights thinking about potential engine damages. The cause of this noise may be a simple alignment fault of the exhaust camshaft caps.   [...]

19 08, 2019

Sunken Nut Differential Seals

Just about all BMWs are now being engineered with a sunken nut input flange on the differential. (See picture) Unfortunately, the seals behind this are becoming commonplace to leak. This configuration requires special tooling in order to successfully replace the seals without damaging the input shaft bearing. The first step requires the removal of the [...]

Go to Top