Engine Controls - Poor Driveability: Hot Restart, A/C ON

85bmw08

GROUP 13 Fuel Injection
Bulletin Number 13 07 85 (1058) Page 1 of 1
Montvale, NJ June 1985 Technical Dept.
This Service Information Bulletin supersedes S.I. 13 07 84 (854).

It lists the production date (1/85) of vehicles with the modified idle control unit. Please remove and discard S.I. 13 07 84 (854) from your S.I. binder.


SUBJECT: POOR INITIAL DRIVEABILITY - "HOT ENGINE" WITH A/C ON

MODELS: 325e

528e


VEHICLES PRODUCED PRIOR TO 1/85


Complaint: Poor initial driveability may occur on 2.7 liter engine equipped vehicles after restarting a "hot engine" (coolant temperature between 105 to 140 degrees F) at ambient temperatures above 68 degrees F with the air conditioning ON.


Correction: If any of these conditions occur, proceed as follows:

1. Disconnect idle control unit plug.

2. Unsnap plug cover.

3. Remove brown/red wire from Pin #11

4. Insulate wire connector and tape back against wiring harness.

5. Reconnect idle control idle plug.


General

Information: VEHICLES PRODUCED AS OF 1/85

The modification described above has been made internally on the idle control units installed on vehicles produced as of 1/85. These modified idle control units are identified with a white paint dot.