M/T - Jumps Out of 1st and 2nd Gear Under Load

Group 23
Manual Transmission

Bulletin Number
23 02 99

Woodcliff Lake, NJ
March 1999
Product Engineering

SUBJECT:
Transmission Jumps Out of 1~ or 2nd Gear Under Load

MODEL:
E36 with S5D-250G (Getrag manual transmission) and M42 M44, M50 or M52 engines.

Situation:
The transmission may jump out of ~ or 2nd gear with engine load.

Cause:
The guide sleeve for 1~ and 2nd gear may have been incorrectly machined on Getrag S5D-250G transmissions installed on E36 vehicles with the above listed engines produced up to 4/98.

A new machining process for the 1st and 2nd gear guide sleeve which eliminates the above situation on all 85D-250G transmissions was introduced in production on vehicles produced from 4/98.

Correction:
If a customer complaint is received, first verify that the external gear shift linkage and clutch system are operating properly. Refer to S.I. 23 O1 99 for diagnostic tips.

If the external gear shift linkage and the clutch system are functioning correctly and the problem of ~ or 2nd gear jumping out is still present, the transmission should be replaced.

Procedure:
Refer to the appropriate repair manual group 23 for transmission removal and installation instructions.

Note:
As outlined in 8.1.23 Ol 99 Esso UNIREX 82 grease BMW part number 83 23 9 416 138 should be used on the tapered splines and guide section of the transmission input shaft before installation.

Parts Information:
All Getrag 85D-250G transmissions in PDC inventory incorporate the new 1st and 2nd gear guide sleeve machining process which eliminates the above situation.

Warranty Information:
Covered under the terms of the BMW New Car Limited Warranty.

Defect Code: 23 D0 90 08 D0

Main Work
Labor Operation: 23 00 032 Installing Exchange Transmission.
Or
Associated Work
Labor Operation: +23 00 532 Installing Exchange Transmission

Labor Allowance: See appropriate Flat Rate manual for labor allowance.

Note:
The following explanations will spell out the correct use of the work times.

Main Work: Use this labor operation number when the only repair performed is the listed warranty repair.

OR

+Associated Work: Use this labor operation number when other repairs or services are performed along with the listed warranty repair.

Under no circumstances should both labor operation numbers be claimed. Attempts to claim both times will result in an unnecessary delay in claim processing and payment.