Unlike the other E28 5 Series models, M5s were assembled by a small group of BMW Motorsport technicians who mated the drivetrain and interior trim with pre-painted bodies transported from the Dingolfing factory. This hand-assembly took place in one ... more

Because the E28 M5 was assembled largely by hand at the BMW Motorsport facility, European customers could not only choose from the entire range of normal E28 options but also request more specialized features like hand-stitched complete leather ... more

The North American-spec E28 M5 uses the same government-mandated sealed-beam headlights (all four of the same diameter) and 5-mph bumpers with integrated side marker lights as all U.S. and Canadian versions of the E28 5 Series. However, the M5 adds ... more

There were two available factory wheel and tire sizes for the E28 M5. Early European-spec cars have metric-sized wheels measuring 195mm x 390mm with 220/55VR390 tires. Later European-spec examples, as well as all those sold in North America and ... more

The early E34 M5 uses an evolution of the 24-valve inline-six found in the E28 M5 and E24 M635CSi/M6. Despite its official designation of S38 B36, this BMW Motorsport powerplant technically remains a 3.5-liter, with a bore of 93.4mm (same as the ... more

>I have a 1986 525iSE which has a certain amount of slop on the powersteer= >ing box input shaft. When the steering is turned a quarter of the way fro= >m the centre position, it can be rocked 1" left and right without moving = >the roadwheels. > >I ... more

This was most likely a marketing decision. With the M5 originally intended to be a limited edition of 500 cars, and with the entire E28 range due to be replaced by the E34 for 1989, perhaps BMW of North America wanted to keep the E28 M5 exclusive by ... more

BMW Motorsport built four different versions of the E28 M5, three at the M works in Garching, Germany (European-spec in left-hand drive and right-hand drive, plus the North American version) and a South African-spec model for the home market ... more

Because the E28 M5 was hand-assembled, yet needed to be manufactured for the North American market in relatively large numbers within a relatively short amount of time, BMW of North America was forced to limit the model's specification to just two ... more

Unlike the wide variation of color, trim and equipment found in European-spec E28 M5s, all North Americans-spec interiors have Black or Natur leather sport seats, with additonal hide on the seats, center console, glovebox door and door pulls. In ... more