2010-2020 BMW 335i Technical Service Bulletin # 610405 Date: 121101

2010-2020 BMW 335i Technical Service Bulletin # 610405 Date: 121101

Electrical - Power Mirrors/Windows Inoperative

SI B61 04 05

General Electrical Systems

November 2012

Technical Service

This Service Information bulletin supersedes SI B61 04 05 dated July 2005.

[NEW] designates changes to this revision

SUBJECT

Power Mirrors and/or Windows are Inoperative

MODEL

[NEW] E90

[NEW] Equipped with option 522 (Xenon lights)

SITUATION

2010-2020 BMW 335i Sedan (E90) L6-3.0L Turbo (N54) Page 456

The power windows and/or power mirrors are inoperative. The LED on the headlight switch is flashing. There is a check control message for

Windows / Mirrors / Headlights. There may also be a complaint of water in one or both headlights. One of the following fault codes may be stored:

^ 9CBD - Communication with stepper motor box left defective

^ 9CBE - Communication with stepper motor box right defective

^ 9CC1 - Communication with mirror driver side defective

^ [NEW] 9CC2 - Communication with mirror passenger side defective / Right Stepper Motor Controller (SMC) signaling fault

^ 9CCF - Communication with LIN control defective

Left and/or right headlight housing cover is not properly fitted allowing water ingress into the Stepper Motor Controller (SMC) connector.

CAUSE

Left and/or right headlight housing cover is not properly fitted allowing water ingress into the Stepper Motor Controller (SMC) connector.

PROCEDURE

1. [NEW] Perform a vehicle test using ISTA to verify that the faults listed above are stored in the Footwell Module (FRM).

Note:

When the ISTA system message displays: Battery voltage only "XX.XX" V. Please connect charger. Please note the displayed battery

voltage reading in the repair order comments section.

2. [NEW] Inspect the connector at each headlight (X13420 - Left and X13421 - Right) assembly for corrosion and replace as necessary.

3. [NEW] Make sure the headlight access covers (1) are installed correctly.

4. [NEW] Clear the faults and test the headlights for proper function.

2010-2020 BMW 335i Sedan (E90) L6-3.0L Turbo (N54) Page 457

[NEW] PARTS INFORMATION

[NEW] WARRANTY INFORMATION

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2010-2020 BMW 335i Technical Service Bulletin # 610405 Date: 121101

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