1988

The engine specifications remained the same as previous year for all models.

The exterior and interior where also unchanged compared to late 1987 models.


1988 - M6 (US version of M635 CSi)	3453cc, 24 valves and 6 cylinders 256 bhp at 6500 rpm 242 lb.ft at 4500 rpm 0-60 mph in 6.8 seconds Quarter mile drag in 15.1 seconds Top speed is automatically cut at 150 mph

This picture show the interior of a 1988 M6 (US version of M 635 CSi). Notice that the steering wheel with airbag is smaller and sportier compared to the 1985 version.	The rear seat air conditioning option, that where introduced 1986, is still an option in 1988. It was a popular option and could be found in many of the late 6 series cars.