Featuring the 315-hp engine from the E46 M3, these are absolute rockets but require more intensive maintenance, including frequent valve adjustments. Reliability & Common Red Flags
“Unlike the easy-to-drive and friendly Miata, the M Roadster is quick to bite back. It asks the driver to be smooth and capable — and if you aren't, the rear end is happy to abruptly step out.” Autoblog · 4 years ago Buyer's Verdict
“A midget weight lifter who also wrestles and runs races... This is a bargain in the used sports car market, and will bring a smile to your face every time you drive it.” Edmunds bmw m roadster buyer's guide
This is the ultimate "dealbreaker." On M models, the trunk floor and subframe mounting points are prone to cracking under the engine's torque. Inspect the trunk floor carefully for popped spot welds or separation.
These 240-hp versions are considered the "sweeter" daily drivers. They offer plenty of low-end torque and are generally more reliable for long-term ownership. Featuring the 315-hp engine from the E46 M3,
If you can find a specimen with a reinforced subframe and a documented service history, the M Roadster is a high-value entry into classic M ownership. It’s not as refined as a Porsche Boxster, but it’s significantly more charismatic. 1999 BMW Z3 M Roadster - POV Ownership Review
The driving experience is best described as an "M3-powered go-kart". Because of its extremely short wheelbase and old-school semi-trailing arm rear suspension (inherited from the E30), the car is incredibly agile but can be unforgiving if you're not smooth with the throttle. This is a bargain in the used sports
While the mechanicals are largely robust "parts bin" components from other BMWs, there are critical areas to inspect: