According to BMW expert shop Enthusiast Auto Group, the most reliable used M cars are the E39 M5, Z3 and Z4 M Coupe/Roadster, E36 M3, and 2004-2006 E46 M3.
While it's not as well-balanced as the contemporary Miata, the BMW Z3 M Roadster is still a fun, old-school, and reliable luxury sports car. And as this 1998 example listed on Cars & Bids shows, it's also more affordable than its M Coupe sibling.
Today, BMW’s M vehicles form an extensive lineup of high-performance, highly-desirable cars. Some may argue too extensive. But not every BMW sports car, or M car, has enjoyed such popularity. One such example is the BMW M Coupe, aka the Z3 M Coupe, which is often referred to as the ‘clown shoe.’ Now, however, the …