Specifications

24
Testing Testing Transmission Systems
A4S 270R (4L30-E)
4-speed RWD
3 shift programs: Economy, Sport and Manual
Warm-up phase (sport shift, cold)
TCM 88-pin
TCC On/Off
Mechanically identical to
A4S310R but uses
Ravigneaux planetary
gearset for lower torque
rating.
A5S 360R 390R
5L40 OR GM5
5-speed RWD
AGS adapt logic
TCC variable lockup 3rd, 4th, and 5th
TCM = SKE 134 pin
Introduced on the E46;
control system joint Bosch,
GM, and BMW design.
A5S 310Z
ZF5HP18
5-speed RWD
AGS adapt logic (1994 and later)
3 shift programs: Economy, Sport and Manual
PWM pressure regulation SOLs
TCC Variable Lockup
TCM = 88 pin
Introduced to U.S. in 1993
as a lighter duty alternative
to the A5S 560Z.
A5S 440Z ZF
5HP24
5-speed RWD
Steptronic capable
3 shift programs: Economy, Sport and Manual
TCC variable lockup
Lifetime oil
TCM = SKE 134 pin (1998 and later)
TCM = 88 pin (1997)
Introduced in 1997 as a
lighter weight alternative to
the A5S 560 Z.
A5S 560Z
ZF5HP30
5-speed RWD
Steptronic capable
3 shift programs: Economy, Sport and Manual
TCC variable lockup
Lifetime oil
TCM = 88 pin
Developed for high output
engines (V8, V12). First
BMW transmission with
overlap shift.
GA6HP26Z
6-speed
Overdrive in 5th and 6th
Lighter and shorter than A5S560Z
Parts reduced from 660 to 470
Shift-by-wire
Stand-by-Control clutch (uncoupled turbine shaft
to reduce engine load with vehicle stationary
Mechatronics
Module may be integrated in valve body
(replaced as unit with valve body)
Table 4-7 Transmission types and system descriptions (sheet 2 of 3)
Transmission Transmission Features Notes