2015 BMW 640i Gran Coupe
Introduction:
The 2015 BMW 640i Gran Coupe is a midsize luxury sedan powered by a 3.0L turbocharged inline-six engine producing 315 horsepower and 330 lb-ft of torque. It comes equipped with an 8-speed automatic transmission and is available in both rear-wheel drive and all-wheel drive configurations. The 640i Gran Coupe is praised for its stylish design, comfortable interior, and spirited performance, but some owners have reported issues with various components.
Engine
3.0L Turbocharged Inline-Six
Timing Chain Issue
- Description/Symptoms: Premature stretching or failure of the timing chain, resulting in engine misfires, rough idling, or loss of power.
- Solution: Replacement of the timing chain and associated components.
- Estimated Cost to Fix: $2,000 - $4,000+
- Recalls: None Found
Transmission
8-Speed Automatic
Shifting Hesitation
- Description/Symptoms: The transmission may hesitate or jerk when shifting gears, especially under acceleration.
- Solution: Software update or replacement of the transmission control module.
- Estimated Cost to Fix: $1,000 - $2,000
- Recalls: None Found
Suspension
Adaptive Suspension
Air Spring Leaks
- Description/Symptoms: The air springs in the adaptive suspension system may develop leaks, leading to uneven suspension height or reduced ride comfort.
- Solution: Replacement of the faulty air spring or suspension module.
- Estimated Cost to Fix: $1,500 - $3,000 per suspension corner
- Recalls: None Found
Electrical
Battery Discharge
- Description/Symptoms: The battery may discharge prematurely, causing difficulty starting the vehicle.
- Solution: Diagnosis and replacement of the battery or faulty electrical components.
- Estimated Cost to Fix: $200 - $1,000
- Recalls: NHTSA Campaign Number 15V-692
Exterior
Xenon Headlight Condensation
- Description/Symptoms: Moisture accumulation inside the xenon headlight assemblies.
- Solution: Replacement of the headlight assemblies.
- Estimated Cost to Fix: $1,000 - $2,000 per headlight
- Recalls: NHTSA Campaign Number 16V-478
Interior
Rear Seat Squeaks
- Description/Symptoms: Squeaking or rattling noises emanating from the rear seats.
- Solution: Adjustment or replacement of the seat frame or mounting hardware.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
Summary:
While the 2015 BMW 640i Gran Coupe is a highly capable vehicle, it has experienced some issues with its engine, transmission, suspension, electrical, and interior components. The severity of these issues varies, with some requiring costly repairs. However, the majority of the issues are relatively minor and can be resolved without breaking the bank.