310109

Service Bulletin Details

Public Details for: 310109

Creaking or groaning noise during compression and/or rebound of front axle. A grating or groaning noise is heard when the front axle compresses and/or rebounds. This may be heard particularly over speed bump-type surfaces. The noise normall

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SI B31 01 09
Front Axle
August 2014
Technical Service
This Service Information bulletin supersedes SI 31 01 09 dated February 2009.
designates changes to this revision
SUBJECT
Creaking or Groaning Noise During Compression and/or Rebound of Front Axle
MODEL
.
E82 (1 Series Coupe)
E88 (1 Series Convertible)
E90 (3 Series Sedan)
E91 (3 Series Sports Wagon)
E92 (3 Series Coupe)
E93 (3 Series Convertible)
Produced from SOP to 11/2010 except for the M3
SITUATION
A grating or groaning noise is heard when the front axle compresses and/or rebounds. This may be heard
particularly over speed bump-type surfaces. The noise normally occurs at lower outside temperatures. The noise
may be less prevalent when the vehicle has been driven up to the operating temperature.
CORRECTION
Replace the front sway bar bushings with the improved parts. Important: Only lubricate with water to assist in the
installation of the new bushings.
Note: Vulcanized rubber mounts on the sway bar were gradually introduced from 04/2010 to 11/2010. These
vulcanized rubber mounts were installed to prevent noises from occurring.
PARTS INFORMATION
Part Number
Description
Quantity
31 30 6 778 064
Stabilizer Rubber Mounting (all with 2WD)
2
31 30 6 778 066
Stabilizer Rubber Mounting (E9x with AWD)
2
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty
Defect Code:
31 35 02 39 00
Labor Operation:
Labor Allowance:
Description:
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31 35 021
Refer to KSD2
Replace both rubber mounts
Labor operation code 31 35 021 is a Main labor operation. If you are using a Main labor code for another
repair, use the Plus code labor operation 31 35 521 instead.
Refer to KSD2 for the corresponding flat rate unit (FRU) allowance. Enter the Chassis Number, which
consists of the last 7 digits of the Vehicle Identification Number (VIN). Click on the “Search” button, and then
enter the applicable flat rate labor operation in the FR code field.
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