2012 BMW M3
2012 BMW M3
The 2012 BMW M3 is a high-performance sports car that is powered by a 4.0-liter V8 engine that produces 414 horsepower and 295 lb-ft of torque. The engine is mated to a 6-speed manual transmission or an optional 7-speed dual-clutch transmission (DCT). The M3 is available in both coupe and convertible body styles.
The M3 has received positive reviews for its performance, handling, and styling. However, it has also been criticized for its high price and some interior quality issues.
Engine
4.0L V8
- Rod bearing failure: This issue is caused by a faulty design of the rod bearings, which can lead to premature engine failure. Symptoms include knocking sounds from the engine, loss of power, and increased oil consumption. The solution is to replace the rod bearings. Estimated cost to fix: $5,000 - $10,000+
Valve train noise: This issue is caused by a faulty design of the valve train, which can lead to excessive noise from the engine. Symptoms include ticking or clattering sounds from the engine. The solution is to replace the valve train components. Estimated cost to fix: $2,000 - $4,000+
Transmission
6-speed manual transmission:
- Grinding gears: This issue is caused by a faulty design of the transmission, which can lead to difficulty shifting gears. Symptoms include grinding noises when shifting gears. The solution is to replace the transmission. Estimated cost to fix: $3,000 - $5,000+
7-speed dual-clutch transmission (DCT):
- Clutch pack failure: This issue is caused by a faulty design of the clutch pack, which can lead to premature failure of the transmission. Symptoms include slipping gears, loss of power, and difficulty shifting gears. The solution is to replace the clutch pack. Estimated cost to fix: $2,000 - $4,000+
Suspension
No Issues Found
Electrical
Battery drain: This issue is caused by a faulty design of the electrical system, which can lead to the battery draining prematurely. Symptoms include difficulty starting the car, flickering lights, and dead battery. The solution is to replace the battery and/or fix the electrical issue. Estimated cost to fix: $100 - $500+
Exterior
No Issues Found
Interior
- Navigation system failure: This issue is caused by a faulty design of the navigation system, which can lead to the system freezing, crashing, or not working properly. Symptoms include a black screen, no voice guidance, and incorrect directions. The solution is to update the software or replace the navigation system. Estimated cost to fix: $500 - $1,000+
Summary
The 2012 BMW M3 is a high-performance sports car that has received positive reviews for its performance, handling, and styling. However, it has also been criticized for its high price and some interior quality issues. The engine and transmission are the most common areas for problems, with issues such as rod bearing failure, valve train noise, grinding gears, and clutch pack failure. The interior can also have issues with the navigation system failing. Overall, the M3 is a reliable car, but it is important to be aware of the potential issues before purchasing one.