1999 BMW 740iL
Introduction
The 1999 BMW 740iL is a luxury sedan with a 4.4-liter V8 engine that produces 282 horsepower and 324 lb-ft of torque. It is paired with a 5-speed automatic transmission. People like the 740iL for its powerful engine, spacious interior, and comfortable ride. However, it is not without its issues.
Engine
4.4-Liter V8
Nickasil Cylinder Bore Coating Failure
- Affected versions: 1999-2001 models with M62 V8 engine
- Description/Symptoms: The cylinder bore coating can fail, causing excessive engine wear and catastrophic failure. Symptoms include loss of power, increased oil consumption, and loud engine noises.
- Solution: The engine must be rebuilt or replaced.
- Estimated Cost to Fix: $5,000 - $10,000+
- Recalls: None Found
No Other Major Engine Issues Found
Transmission
5-Speed Automatic
Transmission Slipping
- Description/Symptoms: The transmission may slip or hesitate when shifting gears.
- Solution: The transmission may need to be rebuilt or replaced.
- Estimated Cost to Fix: $2,000 - $5,000+
- Recalls: None Found
No Other Major Transmission Issues Found
Suspension
Front Control Arm Bushings
- Description/Symptoms: The front control arm bushings can wear out, causing clunking or squeaking noises when driving over bumps.
- Solution: Replace the control arm bushings.
- Estimated Cost to Fix: $500 - $1,000
Rear Air Suspension
- Description/Symptoms: The rear air suspension can fail, causing the rear of the vehicle to sag.
- Solution: Replace the air suspension components.
- Estimated Cost to Fix: $1,000 - $3,000
Electrical
Electrical Gremlins
- Description/Symptoms: Various electrical problems can occur, such as flickering lights, power window failures, and dashboard warning lights.
- Solution: Diagnose and repair the specific electrical issue.
- Estimated Cost to Fix: Varies depending on the issue
Exterior
No Major Exterior Issues Found
Interior
Climate Control Malfunction
- Description/Symptoms: The climate control system may fail to regulate temperature or air flow.
- Solution: Replace the climate control unit or specific components.
- Estimated Cost to Fix: $500 - $2,000
Summary
The 1999 BMW 740iL is a reliable luxury sedan but can experience some costly issues, particularly with the engine and transmission. The severity and cost of these issues vary depending on the specific problem.