Quote:
Originally Posted by dad
I read some where(could be this site,I've searched but can't find it) the 135i engines are taking a crap around 30,000 miles! It has to be taken out and tore apart! The way it was written I think the poster works for BMW.
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The engines are fine. The Brembo calipers (yes, the actual calipers, not the rotors) are prone to crack in several places after just one hard track session.
If you do anything to the engine plan on losing the free maintenance service from BMW.