Automatic Transmission Applications - BMW 5251 Service Manual

Automatic Transmission
Automatic transmission applications
Automatic transmissions are identified by code letters found
on a data plate located on the side or rear of the transmission
case. See table below for application information.
Automatic transmission applications
Model Year Engine Transmission
5281 to 911999 M52 A4S 310R
5281 from 911999 M52
TU
A5S 360R
5251 to 312001 M54 A5S 390R
5251 from 312001 M54 ASS 3252
530i to 312001 M54 ASS 390R
530i from 312001 M54 A5S 3252
540i from 111997 M62 TU A5S 4402
Automatic transmission basic components
The automatic transmission fitted to BMW 5 Series models is
comprised of 3 main elements:
0
Torque converter capable of torque multiplication at an
infinitely variable ratio
Electrohydraulically controlled valve body
0
Gearbox containing 5 forward speeds and reverse