A/T Clunks On Engine Start Up
SI B 24 08 08Automatic Transmission
December 2008
Technical Service
This Service Information bulletin supersedes SI B24 08 08 dated October 2008.
[NEW] designates changes to this revision
SUBJECT
E62, NEW E70 with 6HP19TU - Transmission Clunks after Engine Start
MODEL
E60, E61 with N52K or N54 and 6HP19TU produced from 03/07 up to 09/08
NEW E70 (X5 3.0) with N52K and 6HP19TU produced from 12/06 up to 10/08
SITUATION
The customer may complain about a clunking noise heard from the transmission, sometimes accompanied by a "bang", felt in the rear of the vehicle after engine start-up. This complaint can be intermittently reproduced when the transmission is in the P position (the noise and/or jolt does not occur when the selector gear is placed in N).
CAUSE
EGS software calibration in regards to the transmission self-check test on the engine start
SOLUTION
On a customer complaint basis only, check the vehicle's integration level.
If the integration level is:
- NEW On E60, E61 vehicles - E060-08-03-550 or lower
- NEW On E70 vehicles - E070-08-05-525 or lower
[NEW] Reprogram and recode the complete vehicle with a current Progman version (V31.1 or higher). The target integration levels are E060-08-09-520 or E070-08-09-520, respectively, for E60, E61 and E70 vehicles.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty or the Certified Pre-Owned Program.
Disclaimer