Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2429 (MANUAL TRANSMISSION - REPAIR)TRANSMISSION IN GENERAL23 TRANSMISSION DESIGNATIONS
2013 Mini Cooper Countryman, Standard Trans
23 Transmission Designations
2013 Mini Cooper Countryman, Standard TransSECTION 23 Transmission Designations
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
Breakdown of BMW designation:
A5S 300J OLD DESIGNATION
| A5S 300J (old designation) | ||
| A | Transmission type |
|
| 5 | Number of forward gears | |
| S | Type of top gear |
|
| 300 | Max. input torque (Nm) | |
| J | Code letter of transmission manufacturer |
|
| SMG | Notes | SMG = Sequential M gearbox/transmission |
GS6-37BZ NEW DESIGNATION
| GS6-37BZ (new designation according to BMW Group Standard GS 90007) | ||
| G | Transmission | |
| S | Transmission type |
|
| 6 | Number of forward gears | |
| - |
|
|
| 37 | Transmission type |
|
| B | Gear set |
|
| Z | Code letter of transmission manufacturer |
|
Manual transmission:
MANUAL TRANSMISSION DESIGNATION
| 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 | Transmission (247) | SMG 7-speed |
| GS7D36SG | Getrag | DKG436 | DKG 7-speed |
Automatic transmission:
AUTOMATIC TRANSMISSION DESIGNATION
| 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
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.