11/8/21, 8:53 AM

12 10 21_XB1G - CYLINDER 1 MISFIRE

SIB 12 10 21
XB1G - CYLINDER 1 MISFIRE

2021-11-02

MODEL
E-Series
G01
G20
G30

Model Description
X3 xDrive30e Sports Activity Vehicle (SAV)
330e Sedan
540e Sedan

SITUATION
The customer complains that under moderate throttle application or on deceleration after throttle application,
a Malfunction Indicator Lamp (MIL) is displayed in the instrument cluster.
Upon performing a vehicle test with ISTA, one or more of the fault codes below are stored in the Digital
Motor Electronics (DME):
Fault stored in all cases:
140110

Combustion misfire, cylinder 1: detected

Fault(s) stored occasionally:
140210
140310
140410

Combustion misfire, cylinder 2: detected
Combustion misfire, cylinder 3: detected
Combustion misfire, cylinder 4: detected

CAUSE
DME Software.

CORRECTION
Program the vehicle.

PROCEDURE
Program the complete vehicle with ISTA 4.32.1x (I-Level 21-07-562; released mid-October 2021) or higher.
Note that ISTA will automatically reprogram and code all programmable control modules that do not have
the latest software.
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 show one or more programming and encoding Technical Campaign
repairs open, the programming and encoding procedure may only be invoiced one time.
Select one of these open Technical Campaigns to perform and submit for updating the vehicle’s software to the
required I-level or higher.
Please be sure to perform any additional before and/or after work (including attaching labels) as required by the
open campaigns on the vehicle. Close any remaining open programming and encoding Campaign repairs as
outlined in the corresponding Service Information Bulletin.

Copyright ©2021 BMW of North America, Inc.
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11/8/21, 8:53 AM

12 10 21_XB1G - CYLINDER 1 MISFIRE

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:

1042033800

Throttle response with hot engine Shaking

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

Description

Labor
Allowance

00 00 006

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

Refer to AIR

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

Or:
00 00 556
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, or exclude (including 61 21 528) when the Vehicle Test is included in another repair.
Programming and Encoding - Vehicle Control Units (RO and Claim Comments Required)
This procedure automatically reprograms and encodes any vehicle control modules that do not have the latest software Ilevel.
If one or more control modules fail during the reprogramming procedure, claim the required consequential repair work
procedures to address this issue (including performing the IRAP Control Unit Recovery first as required, refer to the SIB in
AIR) under the Defect Code in this bulletin with the labor operations in AIR that apply.
Please explain the additional work procedures that were performed (The why and the what) on the repair order and in the
claim comments.
For covered repairs that address control module failures that occurred prior to performing this reprogramming procedure,
claim this work with the Defect Code and labor operations (including diagnosis) in AIR that apply.

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 ©2021 BMW of North America, Inc.
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