Type designation, gearbox
Type designation, gearbox |
The three groups of characters are separated with spaces and contain different information on the gearbox as shown below.
FA44 903 95BW-00301
First group: |
Pos. 1 Drive F = Front-wheel drive
Pos. 2 Type of gearbox A = Automatic transmission
Pos. 3 Number of forward gears
Pos. 4 Total gear ratio top gear (code)
Code
|
0
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
Gear ratio
|
3.2
|
3.1
|
3.0
|
2.9
|
2.8
|
2.7
|
2.6
|
2.5
|
2.4
|
2.3
|
The second group: |
Pos. 5 Engine/Vehicle specification 6 = Manual and automatic transmission specific to B258i engine 8 = Automatic transmission specific to B234i engine 9 = Automatic transmission specific to B204L engine
Pos. 6-7 Development variant
Third group: |
Pos. 8-16 Serial number
Automatic transmissions are designated by nine characters, as follows: 95 = production year B = production month, as follows: A B C D E F G H J K L M 1 2 3 4 5 6 7 8 9 10 11 12 W = automatic transmission model (W: 50-40LE) 00301 = sequential number per month