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BMW, 3 Series, E36, 318i (1990-1998) Common Issues

1. Faulty Oxygen Sensor

Occurrence: 20%Cost to repair: $300

Symptoms:

Rough engine idle, decreased fuel efficiency


2. Timing Chain Tensioner Failure

Occurrence: 15%Cost to repair: $800

Symptoms:

Loud tapping noise from the top of the engine, loss of power


3. Water Pump Failure

Occurrence: 25%Cost to repair: $1200

Symptoms:

Coolant leak, overheating engine


4. Faulty Mass Airflow Sensor

Occurrence: 18%Cost to repair: $200

Symptoms:

Poor engine performance, rough engine idle


5. Catalytic Converter Failure

Occurrence: 12%Cost to repair: $1000

Symptoms:

Rough engine idle, decreased fuel efficiency


6. Faulty Fuel Pressure Regulator

Occurrence: 10%Cost to repair: $500

Symptoms:

Poor engine performance, rough engine idle


7. Faulty Spark Plugs

Occurrence: 22%Cost to repair: $150

Symptoms:

Poor engine performance, rough engine idle


8. Power Steering Pump Failure

Occurrence: 8%Cost to repair: $600

Symptoms:

Loud whining noise from the power steering system


9. Faulty Transmission Solenoid

Occurrence: 15%Cost to repair: $900

Symptoms:

Rough shifting, slipping transmission


10. Faulty ABS Pump and Sensors

Occurrence: 12%Cost to repair: $1000

Symptoms:

ABS warning light on the dashboard, spongy brake pedal