AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Bmw 740i
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $8,000–$15,000
The 2018 BMW 740i has an average reliability rating, with few owner complaints and no open recalls. However, issues with the engine and suspension are noted.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 50,000–80,000 miles | $1,000–$3,000 | common |
| suspension | 60,000–90,000 miles | $800–$2,000 | common |
| electrical system | 70,000–100,000 miles | $300–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil change every 10,000 miles
- brake system check annually
- coolant flush every 3 years
- transmission service at 60,000 miles
- tire rotation every 10,000 miles
- air filter replacement every 15,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- engine misfires
- suspension noise
- electrical glitches
- seat belt warning light
- abnormal engine vibrations
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.