http://www.bmwmregistry.com/model_faq.php?id=15
看這個網頁這裡有提到
For the 1996 model year, BMW M replaced the E36 M3 3.0 with the faster and more refined
3.2-liter version. For the European market, this model was fitted with the new
S50 B32 engine,
an evolution of the S50 B30, as well as a six-speed manual gearbox and detail refinements to the chassis. For the U.S. (and later Canadian) market, the M3 received its own powerplant, the
S52, plus ASC+T traction control and a host of chassis upgrades. Both versions were also treated to a few cosmetic alterations.
紅字的部分應該就是說明321搭配的是六速手排有別於286的配置
所以321原廠搭配的應該就是六速手排或者是SMG1吧@@