NHTSA ID Number: 11000581
Manufacturer Communication Number: MC110124
TSB/Document Date: 2024-05-31
Summary
Coolant residue found on the oil sump. And/or Coolant level in the expansion tank is too low. It has been found that the oil/coolant pumps are often replaced without there being an actual leak. Due to the design these pumps can drip in small quantities.
5/28/24, 1:23 PM
11 01 24_SERVICE SOLUTION: M/S Model, Oil/Coolant Pump Leaking
SIB 11 01 24
SERVICE SOLUTION: M/S Model, Oil/Coolant Pump Leaking
2024-05-24
MODEL
Model
K63
K66
K67
K69
KM3
KM9
Model Description
S 1000 R
M 1000 RR
S 1000 RR
S 1000 XR
M 1000 R
M 1000 XR
SITUATION
Coolant residue found on the oil sump.
And/or
Coolant level in the expansion tank is too low.
It has been found that the oil/coolant pumps are often replaced without there being an actual leak.
Due to the design these pumps can drip in small quantities.
Explanation of the tightness concept of this mechanical seal:
The sealing surface (area between the red and blue) is created by the formation of a liquid-gaseous
lubricating film between the sealing rings that slide on top of one another. This cannot always be 100%
guaranteed when the engine starts, or when the system is contaminated. As a result, individual drops can
collect on the drainage hole and deposits are left on the oil sump when it dries.
This does not mean the pump is faulty.
PROCEDURE
If Coolant residue is found on the oil sump.
Clean the coolant residue from the drainage hole.
Let the engine run till the fan turns on twice.
Copyright ©2024 MOTORRAD USA, a division of BMW
of North America, LLC. All Rights Reserved
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5/28/24, 1:23 PM
11 01 24_SERVICE SOLUTION: M/S Model, Oil/Coolant Pump Leaking
Check for coolant at the drainage hole.
If no coolant is present. No further action is required.
If coolant is present, continue to check coolant level.
If after checking the coolant level in the expansion tank and coolant is too low.
Check oil for contamination.
If contaminated oil is present, you must determine if the contamination is from the
oil/coolant pump or not.
Check coolant system for leaks to identify where the coolant is escaping.
Repair as needed.
If no coolant leak is detected and there is a loss of coolant and there is coolant residue on the
drainage hole.
Is the only time to replace the oil/coolant pump.
NOTICE: The pinion must be disassembled to install the new pump. The nut for this pinion is fitted with a
mechanical lock is one time use and MUST be REPLACED!
In addition, the screw locking agent (Loctite 270, high-strength) must be used.
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
picture_as_pdf 11 01 24 SESO - M and S model oil-coolant pump leaking.pdf
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11 01 24_SERVICE SOLUTION: M/S Model, Oil/Coolant Pump Leaking
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TSB/Document ID: MC110124
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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