AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1998 Bmw 740il
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $6,800–$11,000
The 1998 BMW 740IL has frequent engine and cooling system issues, with significant complaints about the fuel and electrical systems. The car had a serious recall impacting steering safety, further influencing its reliability negatively.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine cooling | 80,000–120,000 miles | $800–$1,500 | common |
| fuel system | 90,000–130,000 miles | $600–$1,200 | common |
| electrical system | 70,000–110,000 miles | $300–$900 | occasional |
| power train | 80,000–140,000 miles | $1,000–$2,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter changes
- coolant flush
- brake fluid replacement
- transmission fluid change
- air filter replacement
- spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- engine overheating
- fuel smell in cabin
- frequent electrical faults
- transmission slipping
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.