The 2003-2005 BMW 545i Sedan, part of the E60 generation, is a performance-focused executive sedan powered by a 4.4L V8 engine. Enthusiasts praise its sharp handling and powerful performance, often considering it one of the best driving cars. However, it is infamous for reliability issues, particularly with the N62 engine's oil leaks (like the alternator bracket gasket and valve stem seals) and cooling system problems, making ownership expensive. Today, it serves as a high-performance used sports sedan suitable for drivers prioritizing driving dynamics over low maintenance costs.
The 2003-2005 BMW 545i has high operating expenses with annual maintenance averaging $895–$1302. Reliability concerns include expensive and common leaks (valve stem seal, alternator bracket gasket) and water pump failures.
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