Author: Import Service

When that BMW has a GM Transmission…

Since 1991, BMW has installed the General Motors THM-R1 transmission in the 3- and 5-Series. As the relationship between GM’s French division (Hydramatic) and BMW grew, so did the number of gears in the new transmission. While the new six-speeds are on the way, here are some things we need to watch out for while […]

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