23 Transmission designations

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Breakdown of BMW designation:

A5S 300J (former designation)
A	Transmission type	S = Manual gearbox A = Automatic transmission
5	Number of forward gears
S	Type of top gear	D = Direct gear S = Overdrive gear
300	Max. input torque (Nm)
J	Code letter of transmission manufacturer	G = Getrag J = Jatco R = GMPT (General Motors Powertrain) Z = ZF (Zahnradfabrik Friedrichshafen)
SMG	Notes	SMG = Sequential M gearbox/transmission

GS6-37BZ (new designation according to BMW Group Standard GS 90007)
G	Transmission
S	Transmission type	S = Manual gearbox A = Automatic transmission
6	Number of forward gears
-		- = Standard with manual gearshift HP = Hydraulic planetary gear DKG= twin-clutch gearbox
37	Transmission type	26 = D-transmission 31 = C-transmission 39 = F-transmission 37 = H-transmission 53 = G-transmission 17 = I-transmission 47 = J transmission SMG -7-speed 45 = K transmission 36 = Transmission DKG
B	Gear set	B = Petrol gear ratio D = Diesel gear ratio S = Sport gear ratio
Z	Code letter of transmission manufacturer	G = Getrag Z = ZF (Zahnradfabrik Friedrichshafen)

Automatic transmission:

BMW designation	Manufacturer	Manufacturer designation	Remarks
A4S 200R	General Motors Powertrain	GM4
A4S 270R	General Motors Powertrain	THM-R1w	Transmission wide-stepped
A4S 310R	General Motors Powertrain	THM-R1
A5S 300J	Jatco	Jatco
A5S 310Z	ZF	5HP-18
A5S 325Z	ZF	5HP-19
A5S 440Z	ZF	5HP-24
A5S 560Z	ZF	5HP-30
A5S 360R/390R	GM	GM5
GA6HP19Z	ZF	6HP19
GA6HP26Z	ZF	6HP26
GA6HP32Z	ZF	6HP32
GA6L45R	GM	GM6
GA8HP45Z	ZF	8HP45
GA8HP70Z	ZF	8HP70
GA8P70H	ZF	8P70	Hybrid
GA8HP90Z	ZF	8HP90
GA7AHSCD	Daimler	AHS-C	Hybrid