2015 BMW 650i xDrive
The 2015 BMW 650i xDrive is a grand touring coupe/convertible/Gran Coupe known for its luxurious features, powerful engine, and comfortable ride. The 2015 650i xDrive comes standard with a 4.4-liter TwinPower Turbo V8 engine producing 445 horsepower and 480 lb-ft of torque. Other engine options for the 6 Series in 2015 include a 3.0-liter inline-6 turbo engine in the 640i models and a high-performance 4.4-liter V8 in the M6. The 650i xDrive is equipped with an 8-speed automatic transmission. Owners appreciate the car’s smooth power delivery, elegant styling, and upscale interior. Common dislikes include the high price tag, expensive maintenance, and somewhat dated infotainment system.
Engine
4.4L TwinPower Turbo V8 (N63TU)
- Oil Leaks
- Description/Symptoms: Oil leaks can occur from various locations, including valve cover gaskets, oil filter housing, and the turbocharger oil lines. Symptoms include visible oil leaks, burning oil smell, and low oil level.
- Solution: Replacing the leaking gaskets or seals. Tightening or replacing any oil lines.
- Estimated Cost to Fix: $200 - $1500+
- Recalls: None Found
- Coolant Leaks
- Description/Symptoms: Coolant leaks can occur from the coolant transfer pipe located in the V of the engine, water pump, or radiator hoses. Symptoms include low coolant level, overheating, and visible coolant leaks.
- Solution: Replacing the leaking parts and flushing the cooling system.
- Estimated Cost to Fix: $100 - $2000+
- Recalls: None Found
- Fuel Injector Issues
- Description/Symptoms: Direct fuel injection can cause carbon buildup on the intake valves, leading to rough idling, misfires, and decreased performance. Fuel injectors themselves can also fail.
- Solution: Carbon cleaning the intake valves. Replacing faulty fuel injectors.
- Estimated Cost to Fix: $400 - $2000+
- Recalls: None Found
Transmission
8-Speed Automatic (ZF 8HP)
- Rough Shifting/Hesitation
- Description/Symptoms: Some owners have reported experiencing rough or delayed shifting, especially during low-speed maneuvers. Hesitation can also occur when accelerating.
- Solution: Resetting the transmission adaptations, performing a transmission fluid flush and filter change, or, in more severe cases, replacing the valve body or the entire transmission.
- Estimated Cost to Fix: $150 - $6000+
- Recalls: None Found
Suspension
- Adaptive Damper Failure
- Description/Symptoms: The adaptive dampers (if equipped with the Dynamic Damper Control) can fail, leading to a rough or bouncy ride, as well as error messages on the dashboard.
- Solution: Replacing the faulty damper.
- Estimated Cost to Fix: $500 - $2000+ per damper
- Recalls: None Found
- Air Suspension Issues (If equipped with Rear Air Suspension)
- Description/Symptoms: If equipped with rear air suspension, issues can arise with the air springs leaking, compressor failure, or ride height sensor malfunctions. This can cause the car to sag or not maintain proper ride height, particularly in the rear.
- Solution: Replacing leaking air springs, the air compressor, or faulty ride height sensors.
- Estimated Cost to Fix: $400 - $2000+
- Recalls: None Found
Electrical
- Battery Drain
- Description/Symptoms: The car may experience excessive battery drain, particularly if it is not driven frequently. This can lead to difficulty starting the car or a completely dead battery.
- Solution: Diagnosing and repairing the parasitic drain (e.g., faulty module or sensor). Replacing the battery.
- Estimated Cost to Fix: $150 - $1000+
- Recalls: None Found
- iDrive System Malfunctions
- Description/Symptoms: The iDrive system can experience glitches, freezing, or complete failure. This can affect navigation, audio, and other vehicle functions.
- Solution: Updating the iDrive software. Replacing the iDrive control unit.
- Estimated Cost to Fix: $100 - $1500+
- Recalls: None Found
Exterior
- Convertible Top Issues (Convertible Model)
- Description/Symptoms: Convertible models may experience issues with the convertible top mechanism, including slow operation, failure to open or close completely, or leaks.
- Solution: Repairing or replacing the hydraulic pump, sensors, or other components of the convertible top mechanism. Replacing weather stripping.
- Estimated Cost to Fix: $200 - $3000+
- Recalls: None Found
Interior
- Seat Motor Failure
- Description/Symptoms: The power seat motors can fail, preventing the seat from adjusting properly.
- Solution: Replacing the faulty seat motor or the entire seat assembly.
- Estimated Cost to Fix: $300 - $1500+
- Recalls: None Found
Summary
The 2015 BMW 650i xDrive, while offering a luxurious driving experience, can be prone to several issues. Engine-related problems, particularly oil and coolant leaks, are common and can be costly to repair. Transmission issues can also arise, impacting the driving experience. Electrical problems, such as battery drain and iDrive malfunctions, can be frustrating. Some suspension and convertible top issues can also occur. Owners should be prepared for the potential of these issues and budget accordingly for maintenance and repairs. While some fixes can be relatively inexpensive, others can be quite costly, potentially reaching thousands of dollars.