A/T - Harsh Upshifts/Downshifts
GROUP 24Automatic Transmission
Bulletin Number
24 03 99
Woodcliff Lake, NJ
November 1999
Product Engineering
SUBJECT:
M52/THMR1 Harsh Upshift/Downshift Under Light Throttle Application
MODEL:
528iA produced 3/96 to 10/97
Situation:
Customer complaint of hard 1-2, 2-3 upshift, or 2-1 downshift with light throttle application.
Cause:
EGS calibration.
Correction:
Replace the EGS EPROM.
(This repair only applies to vehicles with MS41.1 engine control and EGS control module p/n 24 60 1 422 945 or 24 60 1 423 236).
Procedure:
On a customer complaint basis only, replace the EGS EPROM with p/n 24 60 7 503 650. Refer to Bulletin 24 05 95 for EPROM replacement procedure.
Parts Information:
Warranty Information:
Parts and Labor are reimbursable under the terms of the BMW New Car Limited Warranty.