Verdict
S
BHP
543 bhp
0–60
3.4 s
Top speed
174 mph
MPG
19 mpg
New
$78,000-$135,000
Strengths
- Same S58 brilliance as M3
- Coupe proportions are correct
- CSL is properly track-focused
Weaknesses
- Front-end polarising same as M3
- Convertible heavier
- Manual is base-only
Notable tech
- CLAR rear-drive platform
- S58 inline-6 (same as M3)
- 6-speed manual (base only) or 8-speed M Steptronic
- xDrive AWD optional from Competition
- M4 CSL 2023+ as a 1,000-unit limited edition
Common issues
- Same as M3 (S58 valve cover, HPFP)
- Convertible top-mechanism wear
- Carbon-ceramic disc cost
Used-market budget
$78,000
Typical price point for a well-maintained example with full service history. Cars priced significantly below this often require remedial work.