NHTSA ID Number: 10182927
Manufacturer Communication Number: M640120
TSB/Document Date: 2020-11-23
Summary
BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air conditioning (A/C) is deactivated while the vehicle is in park or neutral. Prior to turning off the A/C, the system was functional and cooling properly. A/C compressor, or The power supply to the A/C compressor is too low.
11/2/2020
64 01 20_BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED
SIM 64 01 20
BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS
DEACTIVATED
2020-10-14
MODEL
E-Series
F54
F55
F56
F57
F60
Model Description
Cooper, Cooper S Clubman
Cooper, Cooper S Hardtop 4 door
Cooper, Cooper S Hardtop 2 door
Cooper, Cooper S Convertible
Countryman
Production Date
From 1/1/2018 production
SITUATION
A buzzing noise is heard when the air conditioning (A/C) is deactivated while the vehicle is in park or
neutral. Prior to turning off the A/C, the system was functional and cooling properly.
CAUSE
A/C compressor, or
The power supply to the A/C compressor is too low
CORRECTION
Replace either the A/C compressor, or the vehicle’s main battery.
PROCEDURE
1. Start the vehicle. Leave stationary in Park (secure the emergency brake), with the engine idling.
2. Turn on air conditioning system for 1 minute.
NOTE: If A/C system is not functional at this time then air conditioning system diagnosis must be
performed before this bulletin would apply.
3. Turn off air conditioning system, then increase engine speed to 1000 RPM.
4. Is there an abnormal noise heard and/or a vibration felt, when A/C is turned off that increased as engine
RPM increased? (NOTE- a vibration may also be felt in the low pressure A/C pipe that increased with
engine RPM)
No - This bulletin does not apply.
Yes - Proceed with testing the A/C compressor power supply
5. With the air conditioning turned off, check the power supply to the A/C compressor using a non-invasive
clip-on current measurement probe.
If power supply to A/C compressor is below 260 mA (milliamps) --> Replace vehicle main battery.
Run ISTA test plan for battery registration.
Note: If the vehicle arrives with a discharged battery, perform the standard troubleshooting along with
the Energy Diagnosis to determine the cause of the discharged battery.
If power supply to A/C compressor is above 260 mA--> Replace A/C compressor.
When compressor is removed check for debris in system.
Copyright ©2020 MINI
USA, a division of BMW of North America, LLC. All Rights Reserved
1/4
11/2/2020
64 01 20_BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED
Perform compressor run in test plan
6. Retest to ensure noise is eliminated.
PARTS INFORMATION
Obtain and confirm the part numbers for your specific vehicle by entering the chassis number in either ETK
or AIR which takes into account specific equipment and/or options.
Part Number
Refer to ETK
83 19 2 446 563
83 19 2 468 443
Or:
Refer to ETK
Description
Air conditioning compressor
Refrigerant R1234yf (1 oz unit)
Coolant (1 gallon)
Quantity
1
Qty if/as needed
Qty if/as needed
1
Additionally, other small parts that are not specified above, such as one-time screws, nuts and seals, which
must be replaced according to the ISTA repair instructions/ETK, must be selected from the Electronic Parts
Catalogue according to the respective vehicle type and invoiced under the corresponding repair defect code
that applies.
WARRANTY INFORMATION
Covered under the terms of the MINI New Passenger Car Limited Warranty.
Defect Code:
:
Labor
Operation
64 50 010
6452003900
Air conditioning compressor (mechanical/electrical)
disruptive noises
Description
Labor Allowance
Extract, evacuate and fill air conditioning system
(Automatic climate control) (Main work)
Refer to AIR
Extract, evacuate and fill air conditioning system
(Automatic climate control) (Plus work)
Refer to AIR
Extract, evacuate and fill air conditioning system (Basic)
(Main work)
Refer to AIR
Extract, evacuate and fill air conditioning system (Basic)
(Plus work)
Refer to AIR
Using the non-invasive clip-on current measurement
probe to check the power supply to air conditioning
compressor
2 FRU
Or:
64 50 510
Or:
64 50 009
Or:
64 50 509
And:
64 99 000
If you are using a Main labor code for another repair, use the Plus code labor operation 64 50 510/64 50 509
instead of 64 50 010/64 50 009.
And:
All except e-vehicles, the F56 (Hardtop 2 Door) and F60 (Countryman)Labor
Operation
64 52 523
Description
Labor Allowance
Replacing air conditioning compressor for conditioning
Refer to AIR
Copyright ©2020 MINI USA, a division of BMW of North America, LLC. All Rights Reserved
2/4
11/2/2020
64 01 20_BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED
system (Automatic climate control)
Or:
64 52 521
Replacing air conditioning compressor (Basic)
Refer to AIR
Or, for the:
e-vehicles, the F56 (Hardtop 2 Door) and F60 (Countryman)Labor
Operation
64 52 531
Description
Labor Allowance
Replacing air conditioning compressor
Refer to AIR
And, as needed:
Sublet – Bulk Materials (RO and Claim Comments Required)
Sublet Code See the sublet
4
reimbursement
calculations below
Reimbursement for the repair-related bulk materials (Do not
use the MINI part numbers for claim submission)
Sublet reimbursement calculation for claiming the applicable repair-related bulk materials (MINI part
numbers) is at the dealer net price amount for the quantities used plus your dealer’s handling.
MINI Antifreeze/Coolant: Claim the corresponding sublet dollar amount for the quantity needed to replace
what was drained with 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.
Or:
Defect Code:
:
Labor
Operation
61 21 017
6121001200
Vehicle battery (12 V battery) permanently failed
Description
Labor Allowance
Replacing vehicle electrical system battery - including
registering battery replacement (Main work)
Refer to AIR
Replacing vehicle electrical system battery - including
registering battery replacement (Plus work)
Refer to AIR
Using the non-invasive clip-on current measurement
probe to check the power supply to air conditioning
compressor
2 FRU
Or:
61 21 517
And:
64 99 000
If you are using a Main labor code for another repair, use the Plus code labor operation 61 21 517 instead of
61 21 017.
Refer to AIR for the corresponding flat rate unit (FRU) allowances.
Work time labor operation code 64 99 000 is not considered a Main labor operation.
As applicable to your dealer, please refer to SI M01 01 20 or M01 04 20 for claiming your diagnosis work
time, job/repair work time (WT), WT and the repair-related explanation procedures.
Copyright ©2020 MINI USA, a division of BMW of North America, LLC. All Rights Reserved
3/4
11/2/2020
64 01 20_BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED
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 or use
the chat available in the Warranty Documentation Portal
Submit an IDS ticket to the Parts Department
Copyright ©2020 MINI USA, a division of BMW of North America, LLC. All Rights Reserved
4/4
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TSB/Document ID: M640120
Replacement Service Bulletin Number:
MFR Communication Date: 2020-10-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:APPLIANCE:AIR CONDITIONER
MFR Component System:
MFR Component Subsystem:
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