AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2002 Bmw M3
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $9,000–$15,000
The 2002 BMW M3 has moderate reliability concerns, mainly with engine and power train components. While it has some recalls, the issues are not extreme, warranting an average rating overall.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine and cooling | 70,000–100,000 miles | $1,500–$3,000 | common |
| power train | 80,000–110,000 miles | $1,000–$2,500 | common |
| air bags | 60,000–90,000 miles | $450–$800 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 6 months
- Brake fluid change every 2 years
- Cooling system service every 3 years
- Transmission fluid change every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine overheating
- Transmission slipping
- Delayed airbag deployment
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.