Electronic Repair Blog
When it comes to BMW vehicles, the precision and engineering excellence extend beyond the engine and body design. BMW's gear designation system is a testament to the meticulous engineering that goes into every aspect of their cars. Whether you're a BMW enthusiast, owner, or just curious, understanding the BMW gear designation is essential. In this article, we will break down the intricacies of BMW transmission codes, types, and manufacturers to empower you with the knowledge of your car's inner workings.
A5S 300J (Old Name)
A - Gear Type In the A5S 300J designation, the 'A' signifies an automatic transmission, whereas 'S' represents a manual transmission.
5 - Number of Forward Gears The number '5' indicates the number of forward gears in the transmission.
S - Type of Top Gear 'S' can stand for either direct gear or gentle gear.
300 - Max. Input Torque (Nm) '300' represents the maximum input torque the transmission can handle.
J - Code Letter of the Gearbox Manufacturer The letter 'J' indicates the gearbox manufacturer, with 'J' representing Jatco, 'G' for Getrag, 'R' for GMPT (General Motors Powertrain), and 'Z' for ZF (ZF Friedrichshafen).
SMG Hints In some cases, 'SMG' denotes a sequential M transmission.
GS6-37BZ (New Designation)
G - Transmission In the GS6-37BZ designation, 'G' represents the type of transmission.
S - Gear Type 'S' can stand for manual transmission or 'A' for automatic transmission.
6 - Number of Forward Gears The number '6' indicates the quantity of forward gears.
- A hyphen signifies a standard with manual switching.
HP HP stands for hydraulic planetary gear.
DKG DKG denotes a dual clutch transmission.
37 - Gear Type The number '37' represents the gear type, which can vary from 26 to 53 or more, depending on the specific model.
B - Wheelset The letter 'B' can indicate a petrol engine ratio, 'D' for a Diesel gear ratio, or 'S' for sports translation.
Z - Code Letter of the Gearbox Manufacturer The code letter 'Z' indicates the gearbox manufacturer, with options like 'G' for Getrag, 'Z' for ZF, and 'A' for AISIN.
Let's explore some examples of BMW's manual transmissions:
Here are a few examples of BMW's automatic transmissions:
This guide serves as a valuable resource for BMW owners, enthusiasts, and technicians. Understanding the BMW gear designation system can help you identify your car's transmission, providing insights into maintenance and upgrades. For comprehensive BMW programming and retrofit courses, check out our offerings at Electronic Repair Egypt.
Unlocking the secrets of your BMW's transmission is not only fascinating but can also help you make informed decisions about your vehicle. Whether you drive a manual or automatic BMW, this guide equips you with the knowledge you need to appreciate the engineering excellence behind these vehicles.
“The content provided is for educational and informational purposes only.”
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