The 2020 BMW M55i represents the pinnacle of the 5 Series lineup, offering a blend of luxury, technology, and performance that defines the brand's upper echelon. This specific model, often found wearing the M Sport package, is powered by a robust turbocharged inline-six engine that delivers a thrilling driving experience without the extreme nature of the top-tier M5. It is the model that most enthusiasts and buyers consider when seeking the perfect balance of comfort and capability from BMW's prestigious sedan.
Performance and Engineering
Under the hood, the 2020 M55i houses the B58 inline-six engine, a powerplant renowned for its strength and sound. This unit generates 382 horsepower and 369 pound-feet of torque, channeled to the rear wheels via an 8-speed automatic transmission. The result is a 0 to 60 mph sprint in just 4.4 seconds, a figure that is impressive for a luxury sedan focused on daily usability. The engine is paired with BMW's xDrive all-wheel-drive system, which provides exceptional traction in various weather conditions, allowing the driver to harness the power confidently.
Handling and Dynamics
BMW's commitment to driving dynamics is evident in the M55i's chassis tuning. The suspension is stiffer than the standard 5 Series, and the adaptive M suspension (if equipped) provides a firm yet controlled ride. The steering is precise and weighted, offering excellent feedback from the front tires. This setup allows the car to navigate corners with a level of poise and grip that feels more akin to a sports car than a luxury sedan, making every drive engaging and predictable.
Design and Interior
Externally, the 2020 M55i is distinguished by its M Sport package, which includes larger air shutters in the front bumper, a gloss-black kidney grille, and quad exhaust tips. The M-specific 19-inch alloy wheels are a visual centerpiece, wrapping low-profile tires that enhance the car's aggressive stance. Inside, the cabin is a sanctuary of luxury and sport, featuring sport seats with enhanced bolsters, an M-style steering wheel, and carbon fiber or Merino leather accents that cater to both comfort and aesthetics.
382 horsepower inline-six engine
Available xDrive all-wheel-drive system
M Sport package with distinctive styling
Luxurious and driver-focused interior
Advanced infotainment and connectivity
Competitive performance metrics
Technology and Features
The interior of the 2020 M55i is a testament to BMW's iDrive system, featuring a large 10.25-inch touchscreen that controls navigation, audio, and vehicle settings with intuitive logic. The digital instrument cluster provides a clear, customizable display of vital information. Premium audio options, such as the Bowers & Wilkins system, offer an exceptional auditory experience, while advanced safety features like automatic emergency braking and a surround-view camera ensure the technology serves both entertainment and security.
Market Position and Value
Positioned above the 530i and 540i, the M55i occupies a unique space in the luxury sedan market. It competes directly with the likes of the Mercedes-AME C63 S and the Audi RS 5, offering a more refined and technologically advanced alternative to pure performance sedans. For used car buyers in 2024, the 2020 M55i holds strong value, representing a wise investment for those who appreciate driving dynamics without the premium price tag of the M6 series.
