630814

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SI B63 08 14
Lights
May 2014
Technical Service
This Service Information bulletin supersedes SI B63 08 14 dated May 2014.
designates changes to this revision
SUBJECT
Active Headlight Control Malfunction in Both Headlights
MODEL
F30 (3 Series)
F31 (3 Series Sports Wagon)
F32 (4 Series Coupe)
F34 (3 Series Gran Turismo)
Produced from June 30, 2011 to February 27, 2014
With option 524 (Adaptive Headlights)
SITUATION
AHL (Active Headlight Control) malfunctions on both sides. Both lights aim either up or down while driving.
Fault Code 8041B6 is present.
CAUSE
Broken mounting bolt holding on the rear height sensor bracket
CORRECTION
Secure the loose rear height sensor bracket.
PROCEDURE
1.
Inspect the rear height
sensor, located in the left rear of
the vehicle as shown. If the
sensor bracket is hanging loose,
the hex mounting bolt has
broken.
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2.
If the hex bolt is broken,
remove the broken bolt.
(Unscrew the broken bolt out or,
if necessary, drill it out.)
Replace it with a new bolt and
nut.
The tightening torque is 8 Nm.
If the procedure above is not the root cause, diagnose the issue and any stored fault codes with ISTA.
PARTS INFORMATION
Part Number
Description
Quantity
07 11 9 904 371
Hex bolt
1
07 11 9 904 023
Hex nut
1
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle/SAV Limited Warranty.
Defect Code:
37 14 06 37 00
Labor Operation:
Labor Allowance:
Description:
37 99 000
2 FRU
Work time to inspect the rear height
sensor (Main work)
1 FRU
Work time to inspect the rear height
sensor (Plus work – vehicle already in the
workshop)
Refer to KSD2
Replacing rear level sensor (bolt and nut
only)
or
37 99 000
and
37 14 512
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.
Since the “work time” FRU allowance to be claimed is specified for labor operation 37 99 000, a separate punch
time is not required.
Other Repairs - Bolt issue is not the root cause
If performing ISTA diagnostics and related test plans results in other eligible and covered work, claim this work
with the applicable defect code and/or labor operations listed in KSD2.
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[ Copyright ©2014 BMW of North America, Inc. ]
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