The 2010-2017 BMW 550i Sedan (F10 generation) is a luxury executive car powered by a potent 4.4L N63 V8 engine, delivering 408 horsepower. Enthusiasts now view it as a V8-powered bargain. Reviewers praised its luxury and looks upon launch. However, it is infamous for common and costly N63 engine issues, including excessive oil consumption, timing chain wear, and turbocharger or fuel pump failures. Today, it suits drivers seeking high performance and luxury at a lower price point, provided they budget for a solid extended warranty or potential engine maintenance.
The 2010-2017 BMW 550i, featuring the N63 engine, has reliability concerns, including timing chain and fuel injector issues, valve stem seal leaks, and carbon buildup. Annual repair costs average $968, and unscheduled repairs are frequent (1.1 times/year).
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