NHTSA ID Number: 10151106
Manufacturer Communication Number: B521015
TSB/Document Date: 2018-12-10
Summary
The Front Seat Ventilation Fan Makes a Grinding Noise. A grinding noise can be heard from the front ventilation seat, when going around corners. The seat fan grinds on the foam or grille cover.
Page 1 of 5
SI B52 10 15
Seats
February 2016
Technical Service
SUBJECT
The Front Seat Ventilation Fan Makes a Grinding Noise
MODEL
G12 (7 Series)
Vehicles produced up to November 9, 2015
Vehicles equipped with comfort seat
SITUATION
A grinding noise can be heard from the front ventilation seat, when going around corners.
CAUSE
The seat fan grinds on the foam or grille cover.
CORRECTION
Reattach grill cover of seat fans.
PROCEDURE
1. Remove the seat cover to gain access to the ventilation fans. Refer to repair instructions:
“52 17 402 Replace seat cover for driver’s seat”
“52 17 404 Replace seat cover for passenger seat”
2. Carefully remove the seat heating mat from the seat foam, adhesive section.
3. Inspect the adhesive attachment
to the foam, as shown, for both
left and right corner fan.
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Is the adhesive improperly attached
to the foam and the grill cover,
interfering with the fan?
YES - glue the grille cover with
double-sided adhesive tape in the area
shown, then go to step 4.
Caution: do not glue in the area of the
fans.
NO – go to step 4.
4. Is the adhesive properly
attached to the foam in the
highlighted areas?
YES - go to step 5.
NO- reattach with double-sided
adhesive tape then go to step 5.
5. Reinstall the seat cover. Refer to repair instructions:
“52 17 402 Replace seat cover for driver’s seat”
“52 17 404 Replace seat cover for passenger seat”
PARTS INFORMATION
Part Number
Description
Quantity
51 22 2 361 826
Double- sided adhesive tape (16.5m)
As needed
52 10 1 945 543
Clamp
As needed
WARRANTY INFORMATION
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Covered under the terms of the BMW
New Vehicle Limited Warranty for Passenger Cars and Light
Trucks.
Defect Code:
52 10 48 39 00
Repairing One Side
Labor Operation:
Labor Allowance:
Description:
52 17 402
Refer to KSD2
Replacing seat cover for driver’s seat
If you are using a Main labor code for another repair, use the Plus code labor operation 52 17 902
instead, or with the seat already removed for another repair use 52 17 930 instead
Or:
Labor Operation:
Labor Allowance:
Description:
52 17 404
Refer to KSD2
Replacing seat cover for passenger seat
If you are using a Main labor code for another repair, use the Plus code labor operation 52 17 904
instead, or with the seat already removed for another repair use 52 17 935 instead
And, if equipped:
Labor Operation:
Labor Allowance:
Description:
52 14 982
1 FRU
Additional work seat heating element
Labor Operation:
Labor Allowance:
Description:
52 14 980
1 FRU
Additional work thigh support heating
element
Labor Operation:
Labor Allowance:
Description:
52 17 402
Refer to KSD2
Replacing seat cover for driver’s seat
And, if also equipped:
Repairing Both Sides
If you are using a Main labor code for another repair, use the Plus code labor operation 52 17 902
instead, or with the seat already removed for another repair use 52 17 930 instead
And:
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Page 4 of 5
Labor Operation:
Labor Allowance:
Description:
52 17 904
Refer to KSD2
Replacing seat cover for passenger seat
Refer to KSD2
Replacing seat cover for passenger seat
(Seat removed)
Labor Operation:
Labor Allowance:
Description:
52 14 982
1 FRU
Additional work seat heating element
1 FRU
Additional work seat heating element
(WT for the other side)
Labor Operation:
Labor Allowance:
Description:
52 14 980
1 FRU
Additional work thigh support heating
element
1 FRU
Additional work thigh support heating
element (WT for the other side)
Or:
52 17 935
And, if equipped:
And:
52 99 000*
And, if also equipped:
And:
52 99 000*
*Note: If both apply, only claim labor operation 52 99 000 one time for the “total number of FRUs”
allowable.
Refer to KSD2 for the corresponding flat rate unit (FRU) allowances.
Work time labor operation code 52 99 000 is not considered a Main labor operation. Also, since the
“work time” FRU allowance to be claimed is specified, a separate punch time is not required.
Sublet – Bulk Materials
Sublet Code 4
Reimbursement for the repair-related
See sublet reimbursement bulk materials (BMW
part number,
calculation below
please do not use the part numbers for
claim submission)
Sublet reimbursement calculation for claiming the “used quantities” of repair-related bulk materials
(BMW
part numbers) is at dealer net plus your center’s handling.
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Page 5 of 5
Enter this material cost in sublet and itemize the amount on the repair order and in claim comment
section.
[ Copyright ©2016 BMW of North America, Inc. ]
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TSB/Document ID: B521015
Replacement Service Bulletin Number:
MFR Communication Date: 2016-02-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
MFR Component System:
MFR Component Subsystem:
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