Strengths
- S54 inline-6 is a generational engine
- Manual-only is honest
- Z3 character holds up
Weaknesses
- Limited-slip diff aging on S52 cars
- Soft-top window cracking
- Spartanburg-era trim feels cheap
Notable tech
- Built at Spartanburg
- E36 platform, RWD only
- 5-speed manual only
- S52 240bhp at launch (1998-2000)
- S54 315bhp from 2001-2002
- M Coupe ('shooting brake' or 'clown shoe') sold parallel
Common issues
- S54 cooling system overhaul (radiator, expansion tank, water pump)
- M roadster diff bushings
- Soft-top motor wear
Used-market budget
$35,000
Typical price point for a well-maintained example with full service history. Cars priced significantly below this often require remedial work.