4/1/2021

11 03 21_LEAK AT OIL SUMP (PAN) SEAL

SIB 11 03 21
LEAK AT OIL SUMP (PAN) SEAL

2021-03-16

MODEL
E-Series
K80
K81
K82
K83
K84

Model Description
F 750 GS
F 850 GS
F 850 GSA
F 900 R
F 900 XR

Engine Number
Up to 1520355N
Up to 1520355N
Up to 1520355N
Up to 1520355N
Up to 1520355N

SITUATION
Oil leak at the sealing surface between the oil sump and engine housing.
An updated version of the oil sumps will be available around March 2021 timeframe; in sections of the
sealing surface, there is now a groove to take additional sealing compound, see areas marked in red in
attached figure. The older version oil sumps do not have grooves for the sealing compound.

Copyright ©2021 MOTORRAD USA, a division of BMW of North America, LLC. All Rights Reserved
1/4

4/1/2021

11 03 21_LEAK AT OIL SUMP (PAN) SEAL

Please note: There may be further updates to the oil sump design released in the future.

CORRECTION
The updated Oil Pan went into production starting with engine number: 1520356N, vehicle production
approximately as of July 2020.
To help decipher the serial number format of K8X engines, please see below.

PROCEDURE
In a complaint case, always replace the older version of oil sumps which do not have grooves in the sealing
surface with newer versions that do have grooves in the sealing surface.
The sealing surface of the oil sump must be clean and oil-free before applying the sealing compound.
Remove adhering sealing compound residues completely from the sealing surface of the engine housing;
this sealing surface must also be oil-free immediately prior to installing the oil sump.

Copyright ©2021 MOTORRAD USA, a division of BMW of North America, LLC. All Rights Reserved
2/4

4/1/2021

11 03 21_LEAK AT OIL SUMP (PAN) SEAL

If a complaint of a leak is received (for K8x) on a vehicle with the updated oil sump (with grooves for the
sealing compound), please either create a TSARA case or add comments to the warranty claim with the
following important information:

Location of the leak (front/rear/left/right)
Is the leak in an area of the sealing surface which has a groove or in areas without a
groove?
Is sealing compound lacking in the leak area according to your assessment?
Were you able to identify possible reasons for the leak?
Please attach photos when possible
To make it easier to determine whether an older sump is installed, below is an explanation of K8X engine
number:

Breakdown of engine number of the first engine produced with optimized oil sump, 1520356N:
Assembled in 15th calendar week of the year (20)20 It is the 356th 900cm³ K8X engine assembled in that
week in Berlin.
Any engine with a serial number older than 1520356N was originally built with the older oil sump which did
not have grooves in the sealing surface.

PARTS INFORMATION
Obtain and confirm the part numbers for your specific vehicle by entering the chassis number in ETK which
takes into account specific equipment and/or options.
Additional parts like gaskets, hardware and chemicals may be required for the complete repair.

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Motorcycles, if applicable.

QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries

Contact the BMW Technical Support Group via TSARA
Submit an IDS ticket to the Warranty Department
Submit an IDS ticket to the Motorrad Parts Department

Supporting Materials
insert_drive_file Grooved oilpan.jpg
picture_as_pdf 11 03 21 Leak at Oil sump (pan) seal.pdf
Copyright ©2021 MOTORRAD USA, a division of BMW of North America, LLC. All Rights Reserved
3/4

4/1/2021

11 03 21_LEAK AT OIL SUMP (PAN) SEAL

Copyright ©2021 MOTORRAD USA, a division of BMW of North America, LLC. All Rights Reserved
4/4

Service Information Bulletin

March 16, 2021

Engine

11 03 21

LEAK AT OIL SUMP (PAN) SEAL
MODEL
E-Series
K80
K81
K82
K83
K84

Model Description
F 750 GS
F 850 GS
F 850 GSA
F 900 R
F 900 XR

Engine Number
Up to 1520355N
Up to 1520355N
Up to 1520355N
Up to 1520355N
Up to 1520355N

SITUATION
Oil leak at the sealing surface between the oil sump and engine housing.
An updated version of the oil sumps will be available around March 2021 timeframe; in sections of the
sealing surface, there is now a groove to take additional sealing compound, see areas marked in red
in attached figure. The older version oil sumps do not have grooves for the sealing compound.

Please note: There may be further updates to the oil sump design released in the future.

© 2021, BMW of North America, LLC. The contents of this document are confidential and should not be shared with third
parties for distribution. All pricing subject to change.
Page | 1

CORRECTION
The updated Oil Pan went into production starting with engine number: 1520356N, vehicle production
approximately as of July 2020.
To help decipher the serial number format of K8X engines, please see below.

PROCEDURE
In a complaint case, always replace the older version of oil sumps which do not have grooves in the
sealing surface with newer versions that do have grooves in the sealing surface.
The sealing surface of the oil sump must be clean and oil-free before applying the sealing compound.
Remove adhering sealing compound residues completely from the sealing surface of the engine
housing; this sealing surface must also be oil-free immediately prior to installing the oil sump.
If a complaint of a leak is received (for K8x) on a vehicle with the updated oil sump (with grooves for
the sealing compound), please either create a TSARA case or add comments to the warranty claim
with the following important information:
−
−
−
−
−

Location of the leak (front/rear/left/right)
Is the leak in an area of the sealing surface which has a groove or in areas without a groove?
Is sealing compound lacking in the leak area according to your assessment?
Were you able to identify possible reasons for the leak?
Please attach photos when possible

To make it easier to determine whether an older sump is installed, below is an explanation of K8X
engine number:

Breakdown of engine number of the first engine produced with optimized oil sump, 1520356N:
Assembled in 15th calendar week of the year (20)20 It is the 356th 900cm³ K8X engine assembled in
that week in Berlin.
Any engine with a serial number older than 1520356N was originally built with the older oil sump
which did not have grooves in the sealing surface.

PARTS INFORMATION
Obtain and confirm the part numbers for your specific vehicle by entering the chassis number in ETK
which takes into account specific equipment and/or options.
© 2021, BMW of North America, LLC. The contents of this document are confidential and should not be shared with third
parties for distribution. All pricing subject to change.
Page | 2

Additional parts like gaskets, hardware and chemicals may be required for the complete repair.

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Motorcycles, if applicable.

QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries

Contact the BMW Technical Support Group via TSARA
Submit an IDS ticket to the Warranty Department
Submit an IDS ticket to the Motorrad Parts Department

© 2021, BMW of North America, LLC. The contents of this document are confidential and should not be shared with third
parties for distribution. All pricing subject to change.
Page | 3