2006 BMW 650Ci

2006 BMW 650Ci

The 2006 BMW 650Ci is a luxury grand tourer available with a choice of two engines and two transmissions. The 4.4-liter V8 produces 325 horsepower and 330 lb-ft of torque, while the 4.8-liter V8 produces 360 horsepower and 360 lb-ft of torque. Both engines are paired with a six-speed automatic transmission.

Owners of the 2006 BMW 650Ci appreciate its stylish exterior, comfortable interior, and powerful engines. However, the vehicle has also been known to experience certain issues:

Engine

4.4-liter V8

• Intake manifold gasket failure: Symptoms include coolant leaks, overheating, and engine misfires. Solution: Replace the intake manifold gaskets. Estimated Cost to Fix: $500 - $1,000+
• Valve stem seal leaks: Symptoms include blue smoke from the exhaust, oil consumption, and decreased engine performance. Solution: Replace the valve stem seals. Estimated Cost to Fix: $1,500 - $2,500+
• Timing chain tensioner failure: Symptoms include rattling noises from the engine, reduced engine power, and possible engine damage. Solution: Replace the timing chain tensioner. Estimated Cost to Fix: $1,000 - $2,000+

4.8-liter V8

• VANOS system failure: Symptoms include rough idling, reduced engine power, and check engine light. Solution: Replace the VANOS system components. Estimated Cost to Fix: $1,500 - $2,500+
• Connecting rod bearing failure: Symptoms include knocking noises from the engine, reduced engine power, and possible engine seizure. Solution: Replace the connecting rod bearings. Estimated Cost to Fix: $3,000 - $4,000+
• Oil filter housing gasket leak: Symptoms include oil leaks around the oil filter housing. Solution: Replace the oil filter housing gasket. Estimated Cost to Fix: $200 - $400+

Transmission

Six-speed Automatic Transmission

• Shift solenoid failure: Symptoms include harsh shifting, delayed shifts, and slipping gears. Solution: Replace the shift solenoid. Estimated Cost to Fix: $500 - $1,000+
• Torque converter failure: Symptoms include shuddering during acceleration, slipping gears, and transmission overheating. Solution: Replace the torque converter. Estimated Cost to Fix: $1,500 - $2,500+
• Mechatronic unit failure: Symptoms include transmission slipping, shifting problems, and check engine light. Solution: Replace the mechatronic unit. Estimated Cost to Fix: $2,000 - $3,000+

Suspension

• Control arm bushings failure: Symptoms include clunking noises from the suspension, decreased handling, and premature tire wear. Solution: Replace the control arm bushings. Estimated Cost to Fix: $400 - $600+
• Strut mount failure: Symptoms include knocking noises from the suspension, decreased handling, and uneven tire wear. Solution: Replace the strut mounts. Estimated Cost to Fix: $300 - $500+
• Sway bar links failure: Symptoms include clunking noises from the suspension, decreased handling, and uneven tire wear. Solution: Replace the sway bar links. Estimated Cost to Fix: $200 - $400+

Electrical

• Battery drain: Symptoms include a dead battery after extended periods of inactivity. Solution: Replace the battery or diagnose the electrical system for parasitic drain. Estimated Cost to Fix: $200 - $500+
• Electrical module failure: Symptoms include malfunctioning electrical components, such as lights, windows, or climate control. Solution: Replace the faulty electrical module. Estimated Cost to Fix: $500 - $1,000+
• Alternator failure: Symptoms include a dim dashboard display, flickering lights, or a battery that won’t charge. Solution: Replace the alternator. Estimated Cost to Fix: $500 - $1,000+

Exterior

• Headlight condensation: Symptoms include water droplets inside the headlight housing. Solution: Replace the headlight assembly. Estimated Cost to Fix: $500 - $1,000+
• Taillight moisture: Symptoms include water droplets inside the taillight housing. Solution: Replace the taillight assembly. Estimated Cost to Fix: $200 - $400+
• Door handle failure: Symptoms include difficulty opening or closing the door. Solution: Replace the door handle assembly. Estimated Cost to Fix: $200 - $400+

Interior

• Navigation system software failure: Symptoms include freezing or unresponsive navigation system. Solution: Update the navigation system software. Estimated Cost to Fix: $100 - $200+
• Audio system failure: Symptoms include distorted sound, no sound, or malfunctioning audio components. Solution: Replace the faulty audio component or update the audio system software. Estimated Cost to Fix: $300 - $1,000+
• Climate control failure: Symptoms include malfunctioning climate control system, such as inconsistent temperatures or blower fan problems. Solution: Diagnose and repair the faulty climate control component. Estimated Cost to Fix: $200 - $600+

Summary

The 2006 BMW 650Ci is a powerful and stylish grand tourer, but it is not without its issues. The engine, transmission, and electrical components can all be prone to failure, leading to costly repairs. While some issues, such as headlight condensation and taillight moisture, are relatively minor, others, such as connecting rod bearing failure and mechatronic unit failure, can be very expensive to fix. Overall, the 2006 BMW 650Ci is not a recommended vehicle for those who are unwilling to deal with potential reliability issues and high repair costs.