SIB 66 15 19
LANE DEPARTURE WARNING: STEERING INTERVENTION TOO
STRONG

2022-03-27

This Service Information Bulletin (Revision 3) replaces SI B66 15 19 dated August 2020.
What’s New (Specific text highlighted):

Model
Cause
Correction
Procedure
Claim

MODEL
F80 – M3 Sedan
G02 – X4 SAC (LCI)
G12 – 7 Series Sedan
(LCI)

F90 – M5 Sedan
F95 – X5 M Sports
Activity Vehicle (SAV)
G05 – X5 SAV
G14 – 8 Series
Convertible

G20 – 3 Series Sedan

G22 – 4 Series Coupe

G30 – 5 Series Sedan
(LCI)

G42 – 2 Series Coupe

F93 – M8 Gran Coupe

F91- M8 Convertible
F96 – X6 M Sports
Activity Coupe (SAC)
G06 – X6 SAC
G15 – 8 Series Coupe
G23 – 4 Series
Convertible

F92 – M8 Coupe
G01 – X3 SAV (LCI)
G07 – X7 SAV
G16 – 8 Series Gran
Coupe
G29 - Z4 Roadster

G12 LCI produced from March 2019.
G30 and F90 LCI produced from July 2020.
G01 and G02 LCI produced from July 2021

Equipped with either one or more of the following option codes
5AV – Active Guard
Or
5AQ – Active Guard Plus
Or
5AS – Driving Assistant
Or
5AU – Driving Assistant Professional

SITUATION
The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an
uncomfortable feeling for the driver.
Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane
marking has been crossed. The steering intervention can be noticed on the steering wheel and can be
manually overridden at any time.

CAUSE
Software error in the KAFAS (camera-based driver assistance system) control unit or the SAS (optional
equipment system), if equipped.

CORRECTION
Program and encode with ISTA 4.32.3x or higher (released early November 2021).

Copyright ©2022 BMW of North America, Inc.

PROCEDURE
Determine the vehicle’s current I-level by either using AIR or the Key reader/ISPA NEXT application.
If I-level is S18A-21-11-500 or S15A-21-11-500 or higher, thenNo further action on the vehicle is required
Advise the customer of the function and range of adjustment via the iDrive. Refer to owner’s manual.
If the I-level is lower (older) than S18A-21-11-500 or S15A-21-11-500, thenProgram and encode the vehicle using ISTA 4.32.3x or higher
Target I-level is S18A-21-11-500, S15A-21-11-500 or higher
Always connect a BMW-approved battery charger/power supply (SI B04 23 10) when performing
programming.
For information on programming and coding with ISTA, refer to CenterNet / TIS / Technical Documentation /
Programming and Diagnostics / Programming Documentation

CLAIM INFORMATION
During this workshop visit, the affected vehicle may also show one or more programming and encoding
Technical Campaign repairs open, the programming and encoding procedure may only be invoiced one
time.
Update the vehicle to the required I-level or higher by performing and submitting for one of the open
Technical Campaigns instead.
Please be sure to also perform any additional work (before and/or after) the campaign repairs
require and/or close the remaining open programming and encoding Technical Campaign repairs as
outlined in the corresponding Service Information Bulletin.
Only if the above situation does not apply, the BMW software solution is then:
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks or
the BMW Certified Pre-Owned Program as described below.
Defect Code:

6138160200

Control unit, camera-based driver assistance systems
Software error / internal equipment fault

3452070200

Control unit, SAS Software error / internal equipment
fault (When equipped)

Or:
Defect Code:

Refer to AIR for the corresponding flat rate unit (FRU) allowances.
Labor Operation
00 00 006

Description
Performing vehicle test (with vehicle diagnosis system –
checking faults) (Main work)

Labor Allowance
Refer to AIR

Or:
00 00 556

Performing vehicle test (with vehicle diagnosis system –
checking faults) (Plus work)

Refer to AIR

Support voltage of the vehicle electrical system /
recharge vehicle electrical system battery

Refer to AIR

Programming/encoding control unit(s)

Refer to AIR

And:
61 21 528
And:
61 00 730

Copyright ©2022 BMW of North America, Inc.

If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead of
00 00 006, or exclude (including 61 21 528) when the Vehicle Test is included in another repair.
Programming and Encoding - Vehicle Control Units
The programming procedure automatically reprograms and encodes all vehicle control modules which do
not have the latest software I-level. If one or more control module failures occur during this programming
procedure:

Please claim this consequential control module-related repair work (including performing the
IRAP Control Unit Recovery procedure first as required, refer to the SIB in AIR) under the defect code
listed in this bulletin with the applicable AIR labor operations.
Please explain this additional work (The why and what) on the repair order and in the claim comments
section
For control module failures that occurred prior to performing this programming procedure:

When covered under an applicable limited warranty, claim the applicable test plan and the
corresponding control module-related repair work using the applicable defect code and labor operations
in AIR (including diagnosis).
Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for the applicable
procedure for documenting, claiming, and explaining, on the RO and in the claim comments, your diagnosis
work time (WT), job/repair work time (WT), and the vehicle repairs your center performed, unless otherwise
required by State law.

QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries

Submit feedback at the top of this bulletin
Please contact the Warranty department by either using the Live Chat that’s
available in the Warranty Documentation Portal or through IDS by selecting
Coverage, Policy, Coding Questions and Mileage Corrections
Submit an IDS ticket to the Parts Department

Copyright ©2022 BMW of North America, Inc.