2012 BMW Alpina B7
Introduction:
The 2012 BMW Alpina B7 is a high-performance sedan based on the 7 Series. It features a 4.4-liter twin-turbocharged V8 engine producing 540 horsepower and 540 lb-ft of torque, paired exclusively with an 8-speed automatic transmission. The B7 is known for its luxurious interior, impressive acceleration, and refined handling. However, like any vehicle, it has experienced some issues.
Engine
4.4L Twin-Turbocharged V8
- Oil leaks from valve covers: Leaks occur at the sealing surfaces of the valve covers. This causes a burning oil smell and smoke from the engine bay. Solution: Replacement of the valve cover gaskets. Estimated Cost to Fix: $500 - $1,000
- Timing chain tensioner failure: The tensioner fails to maintain proper tension on the timing chain, leading to a rattling noise from the engine. Solution: Replacement of the timing chain tensioner. Estimated Cost to Fix: $1,500 - $2,500
- Spark plug failure: Spark plugs can fail prematurely, causing a misfire and reduced engine performance. Solution: Replacement of the spark plugs. Estimated Cost to Fix: $200 - $400
Transmission
8-Speed Automatic
- Shift solenoid issues: Malfunctioning shift solenoids prevent smooth gear changes and may cause the transmission to hesitate or jerk. Solution: Replacement of the affected solenoid. Estimated Cost to Fix: $500 - $1,200
- Torque converter shudder: The torque converter experiences vibrations while engaging, resulting in a shuddering sensation during acceleration. Solution: Replacement of the torque converter. Estimated Cost to Fix: $2,000 - $3,000
Suspension
- Air suspension compressor failure: The compressor fails, causing the air suspension system to malfunction and result in a lower ride height. Solution: Replacement of the compressor. Estimated Cost to Fix: $1,200 - $2,000
- Control arm bushing wear: The bushings in the control arms wear out prematurely, leading to looseness and poor handling. Solution: Replacement of the worn bushings. Estimated Cost to Fix: $300 - $600
Electrical
- Battery drain: A parasitic battery drain occurs when the vehicle is parked, leading to a discharged battery. Solution: Identification and elimination of the source of the drain. Estimated Cost to Fix: $200 - $500
- Xenon headlight ballast failure: The ballasts for the xenon headlights can fail, resulting in one or both headlights not illuminating properly. Solution: Replacement of the faulty ballast. Estimated Cost to Fix: $500 - $1,000
Exterior
- Front bumper cracking: The front bumper can crack or become damaged due to road debris. Solution: Replacement or repair of the bumper. Estimated Cost to Fix: $500 - $1,500
- Tail light condensation: Moisture can accumulate within the tail lights, causing fogging or reduced visibility. Solution: Replacement of the affected tail light. Estimated Cost to Fix: $200 - $400
Interior
- Sunroof rattling: The sunroof can rattle when open or closed due to loose or worn seals. Solution: Adjustment or replacement of the seals. Estimated Cost to Fix: $200 - $500
- Navigation system freeze: The navigation system can freeze or become unresponsive, causing interruptions in navigation. Solution: Software update or replacement of the navigation module. Estimated Cost to Fix: $500 - $1,200
Recalls:
- 2012 BMW Alpina B7: NHTSA Campaign ID: 13V267000 - Fuel pump failure (Fixed)
- 2012 BMW Alpina B7: NHTSA Campaign ID: 13V267000 - Fuel injector failure (Fixed)
Summary:
The 2012 BMW Alpina B7 is a high-performance luxury sedan that has faced some issues related to its engine, transmission, suspension, electrical, exterior, and interior components. The severity of these issues ranges from minor annoyances to more significant repairs. The estimated cost to fix these issues can vary depending on the specific problem and required parts. Nonetheless, the B7 remains a desirable vehicle for its performance, comfort, and exclusivity.