BMW, 5 Series, E12, 528i (1977-1981) Common Issues
1. Rust on wheel wells and sills
Occurrence: 60%Cost to repair: $1200Symptoms:
Visible rust, holes or bubbling on wheel wells and sills
2. Faulty ignition module or distributor cap
Occurrence: 35%Cost to repair: $300Symptoms:
Difficulty starting engine, rough running or backfiring, misfires
3. Worn or loose front suspension bushings
Occurrence: 45%Cost to repair: $800Symptoms:
Unusual vibrations or noise when driving on bumpy roads, uneven tire wear
4. Cooling system leaks or corrosion on water pump
Occurrence: 40%Cost to repair: $1000Symptoms:
Low coolant level, hissing sounds from radiator, steam coming from engine compartment
5. Faulty or weak spark plug wires and boots
Occurrence: 30%Cost to repair: $200Symptoms:
Difficulty starting engine, misfires, rough running or backfiring
6. Transmission linkage or clutch master cylinder issues
Occurrence: 25%Cost to repair: $700Symptoms:
Difficulty engaging gears, slipping or hesitation in transmission, soft or spongy pedal feel on clutch
7. Worn or loose rear shock absorber mounts
Occurrence: 20%Cost to repair: $600Symptoms:
Sagging suspension, uneven tire wear, unusual vibrations or noise when driving
8. Faulty PCV system or oil leaks from engine
Occurrence: 25%Cost to repair: $900Symptoms:
Low oil level, oil spots on ground, hissing sounds from engine compartment
9. Rear main seal leaks or bearing failure
Occurrence: 20%Cost to repair: $1400Symptoms:
Oil spots on ground, low oil level, unusual vibrations or noise when driving
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