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2012 BMW 650i

Introduction:

The 2012 BMW 650i is a luxury grand tourer featuring a 4.4L twin-turbocharged V8 engine with 400 horsepower and 442 lb-ft of torque. It comes standard with an eight-speed automatic transmission, with an available six-speed manual or seven-speed dual-clutch transmission. The 650i is praised for its performance, handling, and luxurious interior, but some owners have reported various issues.

Engine

4.4L Twin-Turbocharged V8

  • Oil leaks: Leaks can occur from various locations, including the valve cover gasket, oil pan gasket, and rear main seal.
  • Intake valve deposits: Carbon buildup on the intake valves can lead to reduced performance and increased fuel consumption.
  • Timing chain issues: Premature wear or failure of the timing chain can cause engine damage.

Transmission

Eight-speed Automatic

  • Shifting issues: The transmission may hesitate or jerk during shifts, especially at low speeds.
  • Torque converter failure: The torque converter can fail, causing shuddering or loss of power.

Six-speed Manual

  • Grinding gears: Difficulty shifting gears, especially when cold.

Seven-speed Dual-Clutch

  • Mechatronic unit failure: A faulty mechatronic unit can cause shifting issues and transmission failure.

Suspension

  • Air suspension leaks: The air suspension system can develop leaks, resulting in uneven ride height and decreased handling.
  • Control arm bushings: Worn control arm bushings can lead to excessive play and reduced stability.
  • Rear differential mount failure: Failure of the rear differential mount can cause a loud clunking noise and decreased power transfer.

Electrical

  • Battery drain: A parasitic battery drain can lead to a dead battery after extended periods of non-use.
  • HVAC system malfunctions: The heating, ventilation, and air conditioning system may experience various issues, such as temperature control problems or fan failures.
  • Infotainment system glitches: The iDrive infotainment system can occasionally freeze or experience software errors.

Exterior

  • Headlight condensation: Moisture can accumulate inside the headlights, causing condensation and reduced visibility.
  • Taillight seal issues: The seal between the taillights and the body can fail, allowing water to enter.
  • Sunroof rattle: The sunroof can rattle when open or closed.

Interior

  • Door lock actuator failure: Failure of the door lock actuators can prevent the doors from locking or unlocking.
  • Power seat issues: The power seats may experience intermittent operation or failure.
  • Roof lining detachment: The roof lining may detach from the headliner, causing a sagging or drooping appearance.

Recalls

  • NHTSA Campaign Number: 15V005000 - Fuel Pump Control Module Failure
  • NHTSA Campaign Number: 20V070000 - Passenger Airbag Deployment Issues
  • NHTSA Campaign Number: 22V161000 - Side Curtain Airbag Deployment Delay

Summary

The 2012 BMW 650i is a performance-oriented grand tourer with potential issues in various areas. Engine problems, such as oil leaks and timing chain issues, can be costly to repair. Transmission issues can range from minor shifting problems to major failures. Suspension issues can affect handling and ride quality. Electrical and interior problems are typically less severe but can still be inconvenient. Depending on the severity and number of issues encountered, ownership costs can vary significantly.

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