00 00 ... Output shafts: checking gaiters for leaks
WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
Turn rear right and left wheels by hand.
In so doing, inner and outer gaiters for damage such as holes, cracks or porosity.
Check gaiters for leaks (emerging grease).
Check that strap retainers are securely attached to gaiters and whether any straps are missing.