BMW, R Common Issues
1. Engine Oil Leak
Occurrence: 12%Cost to repair: $600Symptoms:
Oil spots under the engine, oil dripping from the valve cover gasket
2. Faulty Oxygen Sensor
Occurrence: 11%Cost to repair: $300Symptoms:
Rough idling, decreased fuel efficiency, MIL light on
3. Water Pump Failure
Occurrence: 9%Cost to repair: $800Symptoms:
Overheating engine, steam coming from the radiator cap
4. Chain Tensioner Failure
Occurrence: 8%Cost to repair: $400Symptoms:
Noise from the drivetrain, chain stretched or broken
5. Faulty Ignition Coils
Occurrence: 7%Cost to repair: $250Symptoms:
Misfires, rough idling, decreased performance
6. Transmission Problems
Occurrence: 6%Cost to repair: $1000Symptoms:
Slipping or hesitation when shifting gears
7. Faulty Spark Plugs
Occurrence: 5%Cost to repair: $200Symptoms:
Rough idling, decreased fuel efficiency, MIL light on
8. Air Filter Clogged
Occurrence: 4%Cost to repair: $100Symptoms:
Decreased performance, rough idling
9. Faulty EGR Valve
Occurrence: 3%Cost to repair: $200Symptoms:
Rough idling, decreased fuel efficiency, MIL light on
10. PCV System Clogged
Occurrence: 2%Cost to repair: $150Symptoms:
Oil leaks, rough idling
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