B520921

9/30/21, 3:27 PM
52 09 21_NOISE FROM SEAT RAILS DURING SEAT OPERATION
SIB 52 09 21
NOISE FROM SEAT RAILS DURING SEAT OPERATION
2021-09-27
MODEL
E-Series
G05
Model Description
X5 Sports Activity Vehicle
Production Date
G07
G06
X7 Sports Activity Vehicle
X6 Sports Activity Vehicle
All
Affected Option Code
First row seats and second row
executive/captain’s seats if
equipped.
First row seats only
SITUATION
Noise is heard from the seat frame/rail assembly when activating the seat motors.
CAUSE
Seat spindle drives and/or seat rails need lubrication.
CORRECTION
Perform the following prior to doing any seat parts replacement for noise concerns during seat operation:
Lubricate the seat rail assembly.
Loosen and re-torque the seat mounting bolts.
PROCEDURE
1. See related Service Bulletins that may also apply:
For various noises from the front seats see SI B52 05 19
For noises from the front seat headrest during operation see SI B52 13 19
Reference TRI B52 23 19 for details on operation of these seats.
2. Follow procedure attached to this bulletin to lubricate the seat rail assembly.
3. Loosen and re-torque the mounting bolts according to the service torque sequence in ISTA, front bolts first, rear
bolts second. Tightening Torque 42Nm
4 - If the seat noise persists after lubrication has been performed please submit an INFO TSARA case for
support.
Let us know
the exact location of the noise
what type of noise is heard
the conditions under which the noise is heard
what helped stop the noise.
attach videos of the noise to the TSARA case.
PARTS INFORMATION
When applicable, 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.
Copyright ©2021 BMW of North America, Inc.
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9/30/21, 3:27 PM
Part Number
83 23 0 396 713
52 09 21_NOISE FROM SEAT RAILS DURING SEAT OPERATION
Description
Klubersynth LF 44-22 (50g tube will lubricate 10+ seat
frames/ up to 5 vehicles) – Order as needed, do not stock
Quantity
Sublet
WARRANTY INFORMATION
This Service Information bulletin provides technical, diagnostic, and repair-related information.
Issues caused by outside influences are not covered.
Eligible and Covered Work/Repairs
When used to repair a verified defect in materials or workmanship, the repair procedure information
provided in this bulletin is covered under the terms of the BMW New Vehicle Limited Warranty for
Passenger Cars and Light Trucks.
To submit a claim, please follow the established and applicable warranty policy and procedures
(Labor/Part/Sublet – Bulk material as noted above) that apply to the repair being performed.
Refer to AIR for the corresponding Defect Code, flat rate labor operations (including diagnosis) and the flat
rate unit (FRU) allowances.
Only one Main labor operation code can be claimed per repair visit.
Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for claiming your
diagnosis work time, job/repair work time (WT), RO/Claim WT and/or repair explanation procedures, unless
otherwise required by State law.
QUESTIONS REGARDING THIS BULLETIN
Technical
inquiries
Warranty inquiries
Parts inquiries
Submit feedback at the top of this bulletin
Please contact the Warranty department by either using the Live Chat that’s
available in the Warranty Documentation Portal or through IDS by selecting
Coverage, Policy, Coding Questions and Mileage Corrections
Submit an IDS ticket to the Parts Department
Supporting Materials
picture_as_pdf Service greasing on 1SR seat structures.pdf
Copyright ©2021 BMW of North America, Inc.
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Service greasing of first row seat structure (1SR)
July 2021 Attachment to SI B52 09 20
1SR greasing overview
All spindles can be greased on motors and LV spindles to help with
noises
Brush needed to apply grease
Preferred grease for all spindles on 1SR structure
is P/N 83 23 0396713 Klubersynth LF 44-22
One tube is sufficient to service 10 seat rails or 5
vehicles total.
:
Page: 2
SHV motor spindle greasing
1. Locate HV spindle once seat is all the way up.
2. Apply even amount of grease to brush.
3. Spread grease along the entire HV motor spindle.
4. Once grease is spread function seat full down and up 3x to
distribute grease evenly along the spindle.
Function seat adjuster full up and leave seat
adjuster up for all greasing
1.
2.
3.
4.
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3.
SNV motor spindle greasing
1.
2.
3.
4.
and
Function Cushion (NV) motor full up and leave seat
adjuster up for all greasing
Page: 4
Locate NV spindle once NV is driven all the way up.
Apply even amount of grease to brush.
Spread grease along the entire HV motor spindle.
Once grease is spread over spindle function Cushion motor full down
up 3x to distribute grease evenly along the spindle.
1.
2.
3.
4.
3.
IB and OB LV spindle greasing
Function Length adjuster full forward to grease front of
spindles and full rear to grease rear of spindles
1. Locate SLV motor and run seat full rearward to show IB and OB spindles.
2. Apply even amount of grease to brush.
3. Spread grease along the entire LV spindle.
4. Once grease is spread over IB and OB spindle function length adjuster
back and forth 3x to distribute grease evenly along the spindle.
5. Run seat full forward to show rear IB and OB of spindles and repeat
above process.
1.
4.
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2.
3.
STV spindle greasing
1. Run STV cushion extender all the out and locate the spindle
under the cushion pan.
2. Apply even amount of grease to brush.
3. Spread grease along the entire STV motor spindle.
4. Once grease is spread over spindle function STV motor full forward
And rearward up 3x to distribute grease evenly along the spindle.
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