https://g20.bimmerpost.com/forums/showthread.php?t=1869445
3/30/23, 10:03 AM 32 01 23_CRACKING/CREAKING NOISE FROM FRONT AXLE/STEERING SYSTEM
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SIB 32 01 23
CRACKING/CREAKING NOISE FROM FRONT AXLE/STEERING
SYSTEM
2023-03-08
☐ THIS REPAIR IS MOBILE FRIENDLY
MODEL
F95* (X5 M Sports
Activity Vehicle)
F96* (X6 M Sports
Activity Coupe)
G05* (X5 Sports
Activity Vehicle)
G06* (X6 Sports
Activity Coupe)
G07* (X7 Sports
Activity Vehicle)
G20** (3 Series
Sedan)
G22** (4 Series
Coupe)
G23** (4 Series
Convertible)
G26** (4 Series Gran
Coupe)
G29* (Z4 Roadster) G42** (2 Series
Coupe)
G80* (M3 Sedan)
G82* (M4 Coupe) G83* (M4 Convertible) G87* (M2 Coupe)
Only vehicles that are fitted with an Electric Power Steering (EPS) from ThyssenKrupp Presta
Steering (TKPS) as noted below.
* Vehicles are fitted with an EPS from TKPS
** Vehicles can be fitted with either a TKPS or JTEK EPS (G20, G22, G23, G26 and G42 Only), these
vehicles must be checked first to see which EPS is installed.
SITUATION
When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or
knocking noises may be heard. See attached example sound videos V32 01 23 and V32 02 23.
CAUSE
The breakaway torque in the thrust bearing of the tie rod is too high.
CORRECTION
Replace one or both tie rod assemblies.
PROCEDURE
For conditions that are like the situation as heard in the videos:
1. Verify a TKPS EPS is installed via ISTA
control unit functions.
2. On vehicles with the TKPS EPS, replace one or both tie rod assemblies as per REP 32 21 231.
NOTE: G20 vehicles produced up to 04/2019- always replace both tie rods (left and right).
Copyright ©2023 BMW of North America, Inc.
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3. Perform wheel alignment check with ride height measurement without loading the vehicle as per REP 32 00 155.
PARTS INFORMATION
Obtain and confirm the part numbers for your specific vehicle by entering the chassis number in either ETK
or AIR which considers specific equipment and/or options.
Part Number Description Quantity
Refer to ETK/AIR Left tie rod 1
Or/and:
Refer to ETK/AIR Right tie rod 1
Additionally, other small parts that are not specified above, such as one-time use screws, nuts, and seals,
which must be replaced according to the ISTA repair instructions/ETK, must be selected from the Electronic
Parts Catalog according to the respective vehicle type and invoiced under the special defect code.
CLAIM INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Defect Code: 3221043900 Track rod, side (incl. ball joint) Unpleasant noises
Diagnosis
Labor Operation Description Labor Allowance
32 99 000* Verifying the noise Situation described above (Work
time) WT
Or:
00 58 500* Diagnosis Worktime Flat Rate 2 FRU
Work time labor operation codes 61 00 006 and 00 58 500 are not considered Main labor operations.
Verifying that a TKPS EPS is Installed (G20, G22, G23, G26 and G42 Model Vehicles Only)
Labor Operation Description Labor Allowance
00 00 006 Carrying out vehicle test (Main work) (See the note Main
and Plus note below) Refer to AIR
Or:
00 00 556 Carrying out vehicle test (Plus work) Refer to AIR
And:
61 21 528 Supporting voltage of the vehicle electrical system /
recharging vehicle battery Refer to AIR
Repairing One Side
Labor Operation Description Labor Allowance
32 21 231 Replacing left or right tie rod (Main work) (See the note
Main and Plus note below) Refer to AIR
Or:
32 21 734 Replacing left or right tie rod (Plusposition) Refer to AIR
Or:
Repairing Both Sides
Labor Operation Description Labor Allowance
Copyright ©2023 BMW of North America, Inc.
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32 21 251 Replacing tie rods left and right (Main work) (See the
note Main and Plus note below) Refer to AIR
Or:
32 21 737 Replacing tie rods left and right (Plusposition) Refer to AIR
If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead of
00 00 006, or exclude (including 61 21 528) when the Vehicle Test is included in another repair.
The Main and Plus code labor operation usage also applies to labor operations 32 21 231/734 and 32 21
251/737, especially for the G20, G22, G23, G26 and G42 model vehicles.
Following the replacement repair instruction that applies to the vehicle, after which:
Checking Wheel Alignment/Adjusting Toe-In on Front Axle
Labor Operation Description Labor Allowance
32 00 595
Kinematics Diagnosis System wheel alignment with ride
height measurement without loading the vehicle
(Plusposition)
Refer to AIR
And:
32 00 601 Adjusting toe-in on front axle (Associated work, without
commissioning electromechanical steering gear) Refer to AIR
And:
32 13 905 Commissioning of electromechanical steering gear
(EPS) / initialization (after vehicle diagnosis) Refer to AIR
And, when
needed:
32 00 650 Additional work for integral active steering (HSR)
Associated work (after vehicle diagnosis) (If applicable) Refer to AIR
Refer to AIR for the corresponding flat rate unit (FRU) allowances.
Note: Refer to the Steering and wheel alignment / Electronic wheel alignment section in AIR (Search
reference labor operation code 32 00 155) for other additional alignment-related work that may also be
required to be performed.
*Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for the applicable
procedure for documenting, claiming, and explaining, on the RO and in the claim comments, your diagnosis
work time (WT), job/repair work time (WT), and the vehicle repairs your center performed, unless otherwise
required by State law.
FEEDBACK REGARDING THIS BULLETIN
Technical Feedback To submit feedback for the technical topic of this bulletin: Submit your
feedback in the rating box at the top of this bulletin
Warranty Feedback
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
Parts Feedback To submit feedback for the PARTS section of this bulletin: Submit an IDS
ticket to the Parts Department
Supporting Materials
Videos
32 01 23
32 02 23
Copyright ©2023 BMW of North America, Inc.
3/30/23, 10:03 AM 32 01 23_CRACKING/CREAKING NOISE FROM FRONT AXLE/STEERING SYSTEM
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Copyright ©2023 BMW of North America, Inc.
subo el link de bimmerpost sobre este muy conocido y extendido problema y el boletín de BMW USA del 2023.
no he sabido subirlo en PDF (formato en que lo tengo). puedo intentar enviarlo por MP (no sé si se pueden cargar PDFs por MP?) o subirlo en PDF si me decís como se hace. también lo puedo enviar por mail.
en fin, espero pueda ser de alguna ayuda.