Cooling System - Low Coolant Warning Lamp ON

SI B 17 01 08
Cooling Systems

July 2008
Technical Service

SUBJECT
Low Coolant Warning Lamp is Illuminated

MODEL
E90, E92 and E93 (3 Series) M3 (S65 Engine) produced from 03/10/08 up to 04/29/08

SITUATION
The customer complains that the low coolant warning lamp is illuminated.

CAUSE
The low coolant level float inside the coolant expansion tank can dislodge, causing an incorrect reading by the low coolant level sensor.

PROCEDURE
On a customer complaint basis, check the coolant level. If the coolant level is correct, replace the coolant expansion tank with P/N 17 11 2 283 500. Refer to RA 17 11 100, Removing and installing/replacing coolant expansion tank (S65), for replacement procedures.





PARTS INFORMATION





WARRANTY
Covered under the terms of the BMW New Vehicle Limited Warranty or the Certified Pre-Owned Program.





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