The 2011-2017 BMW 550xi Sedan, part of the F10 generation, is a potent all-wheel-drive luxury executive car powered by a twin-turbo V8 engine producing around 400 hp. Reviewers often praised its turbine-like thrust, comfort, and interior luxury, marking it as a significant upgrade over prior models in refinement. However, the 550i is infamous among owners for potential issues related to its N63 V8 engine, including excessive oil consumption and timing chain wear. Today, it offers strong performance and luxury at the price of potentially higher maintenance needs, making it best suited for enthusiasts who value power and comfort but are prepared for diligent upkeep.
The 2011-2017 BMW 550xi (N63 engine) has high annual repair costs (averaging $1,000+) due to known issues: excessive oil consumption, leaking valve stem seals, and potential timing chain or turbocharger failures. Frequent maintenance and repairs are common.
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