The BMW M550i xDrive, available as a Touring model (2018–2025), is a high-performance executive car featuring a twin-turbocharged 4.4-liter V-8 engine that produces 523 horsepower. It’s praised by reviewers as the "more likeable M car," offering a balance of comfort, sophistication, and driver engagement often missing in larger SUVs like the X5 M50i. Famous for bridging the gap between standard 5-Series models and the full M5, the M550i is well suited for enthusiasts seeking a powerful, daily-drivable sedan or wagon that maintains respectable fuel efficiency and a plush ride quality, even with large wheels.
Reliability concerns for the 2018+ BMW M550i with the V8 engine are generally minimal, but early models may have issues with rubber hoses in turbo coolant lines. Common maintenance involves frequent oil changes and transmission flushes every 30K miles. Coolant and active grill shutter leaks are also noted.
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