Battery - Additional Electrolyte Level Checks

91bmw01

Group 61 Chassis - Electrical


Bulletin Number 61 01 90 (3019)


Woodcliff Lake, NJ January 1991

Service Engineering


This Service Information bulletin supersedes S.I. 61 01 90 (3019) dated January 1990. Please remove and discard S.I. 61 01 90 (3019) dated January 1990 from your S.I. binder.

SUBJECT: Battery Electrolyte Level

MODELS: All

Situation: Due to the higher loads placed upon the battery during the winter months and as a result of the increased utilization of electrical systems on the car, the electrolyte level may drop at a higher rate.

On the 325i convertible and the 525i sedans, the placement of the battery in the engine compartment adds to this increased electrolyte depletion due to higher operating temperatures.

Corrective
Action: In accordance with the Service Maintenance Checklist, the electrolyte level has to be checked on every car during Inspection I and Inspection II, and filled up with distilled water, if necessary.

In addition, the electrolyte level should be checked/corrected on 325i convertibles and 525i sedans, whenever these vehicles are brought to the workshop for any repair, maintenance or service.

The electrolyte level should be about 0.2 inches (5 mm) above the upper edges of the plates or at the mark visible in the filler opening, depending on the battery type.

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

Defect code: 61 21 00 12 (+ vendor code)

Labor operation: 61 20 509 (Checking battery of 325iC and 525i not in conjunction with Inspection I or II.)

Labor allowance: 1 FRU

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