9/2/2020

66 15 19_LANE DEPARTURE WARNING: STEERING INTERVENTION TOO STRONG

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

2020-08-31

This Service Information Bulletin (Revision 2) replaces SI B66 15 19 dated May 2019.
What’s New (Specific text highlighted):

Model
Cause
Correction
Procedure
Warranty

MODEL
F91- M8 Convertible
F96 – X6 M Sports
Activity Coupe (SAC)
G12 – 7 Series Sedan
(LCI)
G20 – 3 Series Sedan

F92 – M8 Coupe

F93 – M8 Gran Coupe

F95 – X5 M Sports
Activity Vehicle (SAV)

G05 – X5 SAV

G06 – X6 SAC

G07 – X7 SAV

G15 – 8 Series Coupe

G16 – 8 Series Gran
Coupe

G14 – 8 Series
Convertible
G29 - Z4 Roadster

G12 LCI produced from March 2019.
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.

CORRECTION
Program and encode with ISTA 4.24.1x or higher (released early July 2020).

PROCEDURE
Determine the vehicle’s current I-level by either using AIR or the Key reader/ISPA NEXT application.
If I-level is S18A-20-07-500 or higher, thenNo further action on the vehicle is required

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66 15 19_LANE DEPARTURE WARNING: STEERING INTERVENTION TOO STRONG

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-20-07-500, thenProgram and encode the vehicle using ISTA 4.16.3x
Target I-level S18A-20-07-500 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

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

Defect Code:

6138160200

Labor Operation

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

00 00 006

Labor Allowance
Refer to AIR

Or:
00 00 556

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

Refer to AIR

Connect an approved battery charger/power supply
(indicated in AIR as Charging battery)

Refer to AIR

Programming/encoding control unit(s)

Refer to AIR

And:
61 21 528:
And:
61 00 730

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.
Refer to AIR for the corresponding flat rate unit (FRU) allowances.
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

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66 15 19_LANE DEPARTURE WARNING: STEERING INTERVENTION TOO STRONG

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).

As applicable to your center, please refer to SI B01 01 20 or B01 07 20 for your diagnosis work time (WT)
claiming, WT and repair explanation procedures.

QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries

Submit feedback at the top of this bulletin
Submit an IDS ticket to the Warranty Department
Submit an IDS ticket to the Parts Department

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