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View Full Version : harsh gear changes - V 8 only



shogun
10-01-2009, 12:12 AM
Complaint
Item 3: 540iA, 740iA/E32 and 840iA with EGS
Hard shift from 1-2 under small load

Constraints and test conditions
EGS data version 2324,2425, 2628

Remedy
Convert EGS control unit to data version 3232 by replacing the EPROM. EPROM part number
24 60 1 422 397 ECE
24 60 1 422 399 Japan

Item 4: 540iA, 740iA/E32 and 840iA with EGS
EGS data version 2324, 2425, 2628, 2729

Convert EGS control unit to data version 3232 by replacing the EPROM. EPROM part number
24 60 1 422 397 ECE
24 60 1 422 399 Japan
Note:
This only applies in the case of vehicles with a transmission with serial number 18584 or lower. If the problem still exists after the EGS control unit has been replaced and after a sufficiently long adaptation test drive, the hydraulic control unit should also be replaced. Part no. 24 34 1 422 136

Item 5: 540iA, 740iA/E32 and 840iA with EGS
A jolt when changing down 5-3 under load

EGS data version 2324, 2425, 2628, 2729
Convert EGS control unit to data version 3232 by replacing the EPROM. EPROM part number 24 60 1 422 397 ECE
24 60 1 422 399 Japan

Item 6: 540iA, 740iA/E32 and 840iA with EGS
The converter with lock up clutch judders when it cuts in at a speed of approx. 85 km/h, or you can hear a droning noise at 85-100 km/h under load when the converter with lock up clutch is closed

EGS data version 2324,2425, 2628, 2729
Convert EGS control unit to data version 3232 by replacing the EPROM. EPROM part number 24 60 1 422 397 ECE
24 60 1 422 399 Japan

Item 7: 540iA, 740iA/E32 and E38 as well as 840iA with EGS and AGS
The vehicle takes more than 2 seconds to react when moving the gear selector from N to D or from N to R.

Oil level OK
Gear selector position OK
Transmission with serial number 70967 or less

Both plain compression rings on the converter support shaft should be replaced with modified versions in accordance with the enclosed installation instructions

Note:
Modified plain compression rings have been fitted in series production as from transmission serial number 70968
Parts required for each vehicle:
2 x plain compression rings Part no. 24 23 1 422 387
1x oil seal ring Part no. 24 31 1 421 583
14 x sealing rings Part no. 24 31 1 219 165
2 x oil seal rings Wiring
harness plug Part no. 24 34 1 421 736
4 x oil seal rings
Intake/pressure duct Part no. 24 34 1 421 145

Item 8: 540iA with AGS from 09/93 - 11/94
Unexpected and hard shift 5-4 and 4-5 under constant load. It takes less than a second to shift up or down

AGS control unit with data version 2626

Convert the AGS control unit to data version 2929 by replacing the EPROM
Note:
The control unit fitted in series production since 12/94 is OK.
EPROM part number 24 60 1 422 562 ECE
24 60 1 422 564 Japan

Item 9: 740iA/E38
Poor shifting, in particular 2-3, 3-4 and 5-4 are hard

AGS data version 2020,2424,2828

Convert the AGS control unit to data version 2929 by replacing the EPROM
EPROM part number 24 60 1 422 560

19.02.2007