Verdict
A
BHP
503 bhp
0–60
4.1 s
Top speed
155 mph
MPG
24 mpg
Used
$30,000-$72,000
Strengths
- B58 inline-6 in M40i is the segment's best engine
- Cabin quality top of class
- Cargo capacity excellent
Weaknesses
- Pricing creeps as you option
- iDrive 7 was sluggish (replaced for G45)
- M Competition is heavy
Notable tech
- CLAR rear-drive-biased platform
- xDrive AWD standard
- 8-speed ZF auto
- Adaptive M suspension on M40i / X3 M
- X3 M Competition has the S58 from M3
Common issues
- B58 valve cover seepage
- iDrive 7 software bugs
- Stop-start system actuator complaints
Used-market budget
$40,000
Typical price point for a well-maintained example with full service history. Cars priced significantly below this often require remedial work.