The 2007-2013 BMW 135i Convertible is a high-power, rear-wheel-drive sports luxury car known for its compact size, excellent handling, and fast acceleration (0-60 mph in 4.6 seconds for the 135is). Enthusiasts and reviewers loved it as a return to BMW's basic high-power formula and praised it for being very fun and reliable. It is infamous for common issues like the N54's turbo wastegate rattle and oil leaks from the oil filter housing gasket and oil cooler gasket. Today, it remains a great choice for BMW enthusiasts seeking a capable, sporty, all-around daily driver or weekend car.
Common reliability issues for the 2007-2013 BMW 135i include oil leaks from the oil filter housing/cooler gaskets, and potential issues with the turbocharger wastegate and carbon buildup, which may require walnut blasting for intake valve cleaning.
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