NHTSA ID Number: 11014035
Manufacturer Communication Number: B170124
TSB/Document Date: 2025-02-10
Summary
There is coolant leaking from under the car Low heater output Possible Check Control message “Drive, you can continue driving” (ID49) Possible fault codes stored in these BEV vehicles: 224163 – Electric auxiliary heater for the high-voltage battery
unit: Undervoltage or internalcommunication fault 8049AA - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or linedisconnection 80124F – Electric auxiliary heater: Communication in electric auxiliary heater faulty 224F60 - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or linedisconnection 224111 - Cooling system for power electronics: Coolant loss detected 224107 - Cooling system for high-voltage battery unit, component protection: Detection of coolantloss
2/6/25, 5:37 AM
17 01 24_COOLANT LEAK AT CHANGEOVER VALVE
SIB 17 01 24
COOLANT LEAK AT CHANGEOVER VALVE
2025-02-03
This Service Information Bulletin (Revision 2) replaces SI B17 01 24 dated April 2024.
What’s New (Specific text highlighted):
Labor Operation Corrected
☐
THIS REPAIR IS MOBILE FRIENDLY
MODEL
E-Series
G26
G60
G70
i20
Model Description
i4 Gran Coupe Battery Electric Vehicle (BEV)
i5 Sedan (BEV)
i7 Sedan (BEV)
iX Sports Activity Vehicle (SAV BEV)
SITUATION
There is coolant leaking from under the car
Low heater output
Possible Check Control message “Drive, you can continue driving” (ID49)
Possible fault codes stored in these BEV vehicles:
224163 – Electric auxiliary heater for the high-voltage battery unit: Undervoltage or internal
communication fault
8049AA - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or line
disconnection
80124F – Electric auxiliary heater: Communication in electric auxiliary heater faulty
224F60 - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or line
disconnection
224111 - Cooling system for power electronics: Coolant loss detected
224107 - Cooling system for high-voltage battery unit, component protection: Detection of coolant
loss
CAUSE
Leakage coming from the coolant changeover valve(s); two or more when applicable.
CORRECTION
Check all the changeover valves (if vehicle has more than one*) for a coolant leak (active) or previous
coolant leak (valve has residual coolant dried around it).
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17 01 24_COOLANT LEAK AT CHANGEOVER VALVE
Check the production date of the remaining
changeover valves (1). Improved valves were
produced 5.1.2024 (January 5, 2024) and
later.
Replace any* changeover valves PN 64 11 9 462 114) with a production date older than 5.1.2024 (January
5, 2024).
(*) Possible number of changeover valves per model:
G26
G60
G70
i20
1
3
1
2
If no changeover valves are leaking, perform further diagnosis with ISTA and cooling system test equipment.
PROCEDURE
Replace the changeover valve/s. Use the appropriate repair instruction based on model:
G26 and G70: Refer to Repair Instruction 64 12 790
G60: Refer to Repair Instruction 64 12 790 and 64 12 792 and 17 61 625
I20: Refer to Repair Instruction 64 12 792 and 17 61 625
Perform a coolant system bleeding after repairs following ISTA path:
Vehicle management/Service functions/Electric drive/Cooling/Fill and bleed the cooling system.
Perform a functional check of the electric auxiliary heater following ISTA path:
Body/Heating and air conditioning functions/Electric auxiliary heater/Heating and air conditioning
functions: electric auxiliary heater
PARTS INFORMATION
To determine the part number(s) that applies to the specific vehicle being repaired, enter the VIN/chassis
number into either ETK or AIR, this will consider the specific equipment and/or options that are fitted to the
vehicle.
Part Number
Description
64 11 9462114
Changeover valve
Quantity
Up to 3*
as applicable
And, if necessary:
Refer to AIR/ETK
Electric instantaneous water heater (Elektrischer
Durchlauferhitzer/ electric auxiliary heater)
1
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17 01 24_COOLANT LEAK AT CHANGEOVER VALVE
Bulk Supply Materials - Sublet
Part Number
83 19 2 468 442
Or:
83 19 5 A32 851
Description
HT-12 Coolant (1 gallon concentrate)
HT-12 Antifreeze RTU (Bulk 1/10 Liter) (Pre-mix)
Quantity
Sublet
Sublet
CLAIM INFORMATION
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 applicable below.
Repair
Code:
6411900400
G26 G60 G70 I20 BEV Coolant loss at changeover valve
Below are the special flat rate labor operation code choices for this repair.
The vehicle is already in the workshop.
Work Pkg
#1
Labor Operation
Description (Plusposition work)
Labor Allowance
00 75 857
Checking the coolant level, reading out the fault
memory (includes carrying out vehicle test,
00 00 556/61 21 528), replacing all changeover
valves, checking the electric auxiliary heater.
As applicable
64 12 821
Additional work: Replacing the electric auxiliary
heater.
As applicable
And:
If applicable
Or:
The vehicle arrives at your center for this repair (No other Main work will be performed or claimed
during this workshop visit).
Work Pkg
#2
Labor Operation
Description (Main work)
Labor Allowance
00 75 272
Checking the coolant level, reading out the fault
memory (includes carrying out vehicle test,
00 00 006/61 21 528), replacing all changeover
valves, checking the electric auxiliary heater.
As applicable
64 12 821
Additional work: Replacing the electric auxiliary
heater.
As applicable
And:
If applicable
Only one Main work flat rate labor operation code can be claimed per workshop visit.
Claim Repair Comments
Only reference the SIB number and the work package (Pkg) number performed in the technician’s RO notes and the claim
comments (For example: B17 01 24 WP 1), unless otherwise required by State law.
Additionally, when applicable, add comments to support the replacement of the electric auxiliary heater.
Sublet – Bulk Supply Materials (RO and Claim Comments Required)
Sublet Code 4
Reimbursement for the repair-related bulk supply material
(Do not use the BMW part number for claim submission)
Up to $100.00
Sublet reimbursement calculation for claiming the applicable repair-related bulk supply material (BMW part
number) is at the dealer net price
amount for
the quantity
plus
your center’s
Copyright
©2025
BMW ofused
North
America,
Inc. handling.
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17 01 24_COOLANT LEAK AT CHANGEOVER VALVE
BMW Antifreeze/Coolant: Claim the corresponding sublet dollar amount for the quantity needed to replace
what was drained. The one-gallon concentrate part number quantity for a 50/50 coolant/water solution.
Enter this material cost in sublet and itemize the amount on the repair order and in claim comment section.
BMW Group’s AIR Application Resource for Flat Rate Labor Operation Codes
To obtain the corresponding flat rate unit (FRU) allowance information from the BMW Group AIR application
resource, start by entering the Chassis Number (the last seven (7) characters of the VIN, select the
applicable Model if two or more vehicle choices show), or enter the full VIN (17 characters), click on the
“Search” button. Next, click on the “Flat Rate Units” button and enter the flat rate labor operation code in the
field to the right, click “Search” to display the Flat Rate Unit Group detail choices.
FEEDBACK REGARDING THIS BULLETIN
Technical Feedback
Warranty Feedback
Parts Feedback
To submit feedback for the technical topic of this bulletin: Submit your
feedback in the rating box at the top of this bulletin
To submit feedback for the CLAIMS section of this bulletin: Submit an IDS
ticket to the Warranty Department, or use the chat available in the
Warranty Documentation Portal
To submit feedback for the PARTS section of this bulletin: Submit an IDS
ticket to the Parts Department
Supporting Materials
picture_as_pdf Attachment B17 01 24 Valve Locations.pdf
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TSB/Document ID: B170124
Replacement Service Bulletin Number:
MFR Communication Date: 2025-02-03
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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