2009 BMW 750Li
Introduction:
The 2009 BMW 750Li is a luxury sedan powered by a 4.4L V8 engine paired with a 6-speed automatic transmission. It produces 400 horsepower and 442 lb-ft of torque. The 750Li is known for its opulent interior, advanced technology, and refined driving experience. However, some owners have reported various issues with the vehicle.
Engine
- V8 4.4L Engine
- Timing Chain Guide Failure: Description/Symptoms: Premature failure of the timing chain guides, causing a rattling noise from the engine and potential timing chain failure. Solution: Replacement of the timing chain and guides. Estimated Cost to Fix: $2,000 - $4,000+
- Intake Valve Deposits: Description/Symptoms: Carbon buildup on intake valves, leading to reduced engine performance and potential valve damage. Solution: Cleaning of the intake valves. Estimated Cost to Fix: $500 - $1,000
- Oil Consumption: Description/Symptoms: Excessive oil consumption, requiring frequent oil top-ups. Solution: Inspection and potential repairs to the piston rings, valve seals, or oil pump. Estimated Cost to Fix: $1,000 - $3,000+
Transmission
- 6-Speed Automatic Transmission
- Transmission Slippage: Description/Symptoms: Loss of power and hesitation while driving, indicating transmission slippage. Solution: Rebuild or replacement of the transmission. Estimated Cost to Fix: $2,000 - $5,000+
Suspension
- Air Suspension Compressor Failure: Description/Symptoms: Malfunctioning air suspension compressor, leading to uneven ride height and potential suspension failure. Solution: Replacement of the air suspension compressor. Estimated Cost to Fix: $1,000 - $2,000
- Rear Suspension Knocking: Description/Symptoms: Knocking noise from the rear suspension, particularly over uneven surfaces. Solution: Inspection and potential replacement of worn suspension components, such as sway bar links or bushings. Estimated Cost to Fix: $500 - $1,000
Electrical
- Battery Drain: Description/Symptoms: Rapid battery discharge, causing difficulty starting the vehicle or electrical malfunctions. Solution: Diagnosis and repair of the electrical system, including replacement of faulty components such as the alternator or battery. Estimated Cost to Fix: $500 - $1,500+
- Software Glitches: Description/Symptoms: Occasional software glitches or system malfunctions, such as navigation issues or warning light errors. Solution: Software updates or reprogramming. Estimated Cost to Fix: Free for software updates or $100 - $500+ for reprogramming
Exterior
- Sunroof Drainage Plugs: Description/Symptoms: Clogged sunroof drainage plugs, leading to water accumulation and potential interior leaks. Solution: Clearing and inspecting drainage plugs. Estimated Cost to Fix: $0
Interior
- Steering Wheel Controls Intermittent: Description/Symptoms: Intermittent malfunction of steering wheel controls, such as volume or navigation buttons. Solution: Inspection and potential replacement of faulty switches or wiring. Estimated Cost to Fix: $200 - $500
- Wood Trim Peeling: Description/Symptoms: Peeling or cracking of wood trim on the dashboard or interior panels. Solution: Replacement of affected trim pieces. Estimated Cost to Fix: $100 - $500
Summary:
The 2009 BMW 750Li is a premium sedan with some potential issues. While some problems are minor and inexpensive to fix, others, such as engine timing chain failure or transmission slippage, can be costly repairs. However, the overall severity and cost of the issues reported are not excessive compared to other luxury vehicles of similar age and mileage.