TECHNICAL SERVICE BULLETIN
Reference Number(s): 62 01 90 (3007), Date of Issue: August, 1990
BMW E32 and E34 (with Redesigned Instrument Cluster)
GROUP 62 - Instruments
Superceded Bulletin(s): 62 01 90 (3007), Date of Issue: April, 1990
SUBJECT

NOTE: This Service Information bulletin supersedes S.I. 62 01 90 (3007) dated April, 1990. It explains how the production date code is made-up.

Please remove and discard S.I. 62 01 90 (3007) dated April 1990 from your S.I. binder.

Erroneous Display In LCD Display Module
SITUATION

After switching the ignition ON, flashing and illegible displays may alternately appear in the LCD Display Module.
CAUSE

Interference from the IHKR/IHKA coolant pump.
CORRECTION

Replace the coolant pump with one equipped with a protective diode.

These pumps have a production date of 279 or later.

Explanation of production date code: 279 week 27 of year 198(9)

For example, a date code of 060 indicates a production date of week (06) of the year 199(0).

Fig. 1: Coolant Pump P/N 64 11 1 388 742
WARRANTY STATUS

Covered under the terms of the BMW New Car Limited Warranty of 3 Years/36,000 Miles.

WARRANTY INFORMATION
Model Defect Code Labor Operation Labor Allowance
All except 750iL 64 11 35 79 00 64 11 260 7 FRU
750iL 64 11 35 79 00 64 11 260 9 FRU

Any questions regarding warranty coverage should be discussed with your District Service Manager.