BMW S65 engine

This page is a draft. It has not been approved yet, so read it with care.

Watch out for

Reputation: what owners and the press report. Tap one to see what to check.

Rod bearing wear Every version One source so far

What to check: Ask whether the rod bearings have been replaced, and for an oil analysis showing lead and copper.

BMW Tuning says there is no set window for failure and usually no warning, quotes a forum member putting failures at under 1% of engines, and says most enthusiasts recommend replacing the bearings every 50,000 to 80,000 miles.

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Throttle actuator failure Every version One source so far

What to check: Read the fault codes and look for the DSC and engine lights together.

BMW Tuning says a failed throttle actuator puts the engine in limp mode with the DSC and engine lights on, at mileages that vary.

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