2015 BMW 750i

Introduction The 2015 BMW 750i is a luxurious sedan with a potent 4.4-liter twin-turbocharged V8 engine delivering 445 horsepower and 480 lb-ft of torque. Paired with an 8-speed automatic transmission, it delivers a smooth and powerful driving experience. Despite its high ratings for comfort and technology, owners report various issues with different components of the vehicle.

Engine 4.4L Twin-Turbocharged V8

• Timing Chain Tensioner Failure: Description/Symptoms: Rattling or ticking noises from the engine, reduced power output, and potential engine damage. Solution: Replace timing chain tensioner and related components. Estimated Cost to Fix: $2,000 - $4,000+ Recalls: None Found
• Turbocharger Failure: Description/Symptoms: Loss of power, increased engine noise, and smoke from the exhaust. Solution: Replace turbocharger and related components. Estimated Cost to Fix: $3,000 - $5,000+ Recalls: None Found

Transmission 8-Speed Automatic

• Torque Converter Shudder: Description/Symptoms: Vibrations while accelerating, especially at low speeds. Solution: Replace torque converter. Estimated Cost to Fix: $2,500 - $3,500 Recalls: None Found
• Transmission Slipping: Description/Symptoms: Difficulty shifting gears, loss of power, or delayed gear engagement. Solution: Repair or rebuild transmission. Estimated Cost to Fix: $3,000 - $5,000+ Recalls: None Found

Suspension

• Air Suspension Compressor Failure: Description/Symptoms: Suspension malfunctions, vehicle sagging, reduced ride height. Solution: Replace air suspension compressor. Estimated Cost to Fix: $1,500 - $2,500 Recalls: None Found

Electrical

• Battery Drain: Description/Symptoms: Battery discharge without the engine running, leading to starting problems. Solution: Identify and fix electrical component causing the drain. Estimated Cost to Fix: $500 - $1,500 Recalls: None Found
• Infotainment System Malfunction: Description/Symptoms: Screen freezing, glitches, or audio issues. Solution: Software update or component replacement. Estimated Cost to Fix: $200 - $1,000 Recalls: None Found

Exterior

• Roof Trim Panel Loosening: Description/Symptoms: Panel rattling or detaching from the roof. Solution: Reattach or replace roof trim panel. Estimated Cost to Fix: $200 - $500 Recalls: None Found

Interior

• Climate Control Malfunction: Description/Symptoms: AC or heater not functioning properly, temperature regulation issues. Solution: Repair or replace climate control module or related components. Estimated Cost to Fix: $500 - $1,500 Recalls: None Found
• Power Window Failure: Description/Symptoms: Windows not operating properly, stuck or slow movement. Solution: Repair or replace power window motor or regulator. Estimated Cost to Fix: $200 - $600 Recalls: None Found

Summary The 2015 BMW 750i has various issues reported by owners, ranging from engine and transmission problems to electrical and interior malfunctions. The severity of these issues can vary, and the cost to fix them can be substantial. It’s essential to factor in the potential expenses associated with these issues when considering the purchase or ownership of this vehicle.