23 Transmission designations

2013 Mini Cooper Countryman, Standard TransSECTION 23 Transmission designations
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Breakdown of BMW designation: 

TRANSMISSION DESIGNATIONS CHART

A5S 300J  (old designation)
A Transmission type
  • S = Manual transmission
  • 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 transmission
  • A = Automatic transmission
6 Number of forward gears  
-  
  • - = Standard with manual gearshift
  • HP = Hydraulic planetary gear
37 Transmission type
  • 26 = D-transmission
  • 31 = C-transmission
  • 39 = F-transmission
  • 37 = H-transmission
  • 53 = G-transmission
  • 17 = I-transmission
  • 47 = J-transmission
B Gear set
  • B = Petrol/gasoline gear ratio
  • D = Diesel gear ratio
Z Code letter of transmission manufacturer
  • G = Getrag
  • Z = ZF (Zahnradfabrik Friedrichshafen)

Manual transmission: 

TRANSMISSION DESIGNATIONS CHART - MANUAL TRANSMISSION

BMW designation Manufacturer Manufacturer designation Remark
S5D 200G Getrag B transmission (220/5)  
S5D 200G Getrag B transmission (221/5) for M41 engine only
S5D 250G Getrag B transmission (220/5) Reinforced design
S5D 260Z ZF C-transmission (S5-31 D) for M51 engine only
S5D 280Z ZF C-transmission (S5-31)  
S5D 310Z ZF C-transmission (S5-31) up to 9.95
S5D 320Z ZF C-transmission (S5-31) from 9.95 (reinforced design)
GS5S31BZ (SMG) ZF C transmission SMG
GS5-39DZ ZF F transmission  
S6S 420G Getrag D-transmission (226/6)  
S6S 420G (SMG) Getrag D transmission SMG
S6S 560G Getrag E-transmission (286/6)  
GS6-37BZ ZF H-transmission  
GS6S37BZ (SMG) ZF H-transmission  
GS6-37DZ ZF H-transmission  
GS6-37BG Getrag H-transmission  
GS6-53BZ ZF G-transmission  
GS6-53DZ ZF G-transmission  
GS6-17BG Getrag I-transmission  
GS7S47BG (SMG) Getrag J-transmission (247) SMG 7-speed

Automatic transmission: 

TRANSMISSION DESIGNATIONS CHART - AUTOMATIC TRANSMISSION

BMW designation Manufacturer Manufacturer designation Remark
A4S 200R GMPT GM4  
A4S 270R GMPT THM-R1w Transmission wide stepped
A4S 310R GMPT 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  
RENDER: 1.0x

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