NHTSA ID Number: 10244505
Manufacturer Communication Number: B521423
TSB/Document Date: 2023-11-01
Summary
A change in Bowden cable routing is observed in the third seat row backrest. Replacement Bowden cables are shorter than original parts.
10/25/23, 2:51 PM
52 14 23_THIRD SEAT ROW BACKREST BOWDEN CABLE CHANGE
SIB 52 14 23
THIRD SEAT ROW BACKREST BOWDEN CABLE CHANGE
☒
2023-10-25
THIS REPAIR IS MOBILE FRIENDLY
MODEL
E-Series
G07
Model Description
X7 Sports Activity Vehicle
Affected Option Code
Vehicles with power third row seat SA4UB
SITUATION
A change in Bowden cable routing is observed in the third seat row backrest.
Replacement Bowden cables are shorter than original parts.
CAUSE
A Bowden cable routing change was made in the third seat row backrest. This change was implemented
starting in February 2023 production.
All the replacement parts are the new “shortened cable” design version which requires the use of
the new routing procedure when they are installed in vehicles produced prior to February 2023.
CORRECTION
See procedure attached.
These networked seats are described in detail in Service Bulletin B52 23 19 which contains all relevant seat
bulletins.
For diagnosis of the head restraint and/or backrest of the third seat row, see Service Bulletin B52 09 20.
PARTS INFORMATION
To determine the part number 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
52 30 5 A1E 228
52 30 5 A1E 229
Description
Inboard Bowden Cable
Outboard Bowden Cable
Quantity
2 Max (if needed)
2 Max (if needed)
CLAIM INFORMATION
This Service Information Bulletin provides technical, and repair procedure-related information.
Damage and/or issues caused by outside influences are not covered under the BMW
limited warranties.
Eligible and Covered Work/Repairs
Repairs that address a verified defect in materials and/or workmanship are 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) that apply to the repair being performed.
Refer to AIR for the corresponding Repair Code for claim submission. Obtain applicable flat rate labor
operation codes (including the diagnosis* that applies) and the corresponding flat rate unit (FRU)
Copyright ©2023 BMW of North America, Inc.
about:blank
1/3
10/25/23, 2:51 PM
52 14 23_THIRD SEAT ROW BACKREST BOWDEN CABLE CHANGE
allowances.
Only one Main labor operation code can be claimed per repair visit.
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.
*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
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 B521423 Replace bowden cables G07 3SR.pdf
Copyright ©2023 BMW of North America, Inc.
about:blank
2/3
10/25/23, 2:51 PM
52 14 23_THIRD SEAT ROW BACKREST BOWDEN CABLE CHANGE
Copyright ©2023 BMW of North America, Inc.
about:blank
3/3
Attachment to SI B52 14 23
October 2023
Bowden cable changes for third row seat backrest G07
1. Identify which Bowden cable you will be using for replacement
a) Shorter type (new) Introduced in production vehicles February 2023
b) Longer type (old)
2. Removing OB Bowden cable
3. Seat structure without Bowden cables
4. Assembly (routing) new Bowden cables
5. Replacing (routing) old Bowden cable
IB = Inboard side of seat
OB = Outboard side of seat
Page: 1
slide #2
slide #3
slide #13
slide #17
slide #18
Attachment to SI B52 14 23
October 2023
1. Long/old vs Short/new bowden cable
Inboard bowden cable (barrel end)
5A1E229
Outboard bowden cable (snowman end)
5A1E228
Old:
Has 2 clipping barrels
Old:
Has 2 clipping barrels
New:
Has 1 clipping barrel
New:
Has 1 clipping barrel
Page: 2
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
1.
Place the seat structure in construction
(upright) position. Like
shown in the image.
Page: 3
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
2. Move down the actuator of the
head rest. This will release tension
from the Bowden cable.
Page: 4
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
3. Remove plastic cover of the
actuator with a screwdriver
pushing the ribs to the side.
Page: 5
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
4. Unclip Bowden cable barrel from
the actuator housing.
Page: 6
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
5. Remove Bowden cable from the
white clip and remove Christmas tree
clip from back panel.
OB side
Page: 7
IB side
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
6. For OLD Bowden cables ONLY; move the Bowden
cable to the back side of the seat structure and remove
cable from the white plastic fixation clip of the rear
traverse support.
Page: 8
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
7. For OB side, unclip the
Bowden barrel from the pulley
housing.
OB side
IB side
For IB side, unclip the
Bowden barrel from the
bracket.
Page: 9
Attachment to SI B52 14 23
Replacing old bowden cable
October 2023
OB side
IB side
8. Remove the Bowden cable from
the chanel of the pulley .
Page: 10
Attachment to SI B52 14 23
October 2023
OB side
Replacing old bowden cable
9. For OB side, detach snowman
clip from latch pin with pliers.
Page: 11
Attachment to SI B52 14 23
October 2023
IB side
Replacing old bowden cable
10. For IB side, remove Bowden
cable barrel from plastic clip pushing
towards OB of the car in Y direction
Page: 12
Attachment to SI B52 14 23
October 2023
Replacing old bowden cable
11. Seat Structure without Bowden cables
Page: 13
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
1. Place the seat structure in KO-KO position, as shown.
Old bowden cable routing
New bowden cable routing
Page: 14
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
2. For OB side, insert the snowman clip in the latch and pull to ensure the assembly.The seam of the end sleeve (metallic
barrel that holds the wire) must be facing IB side.
OB side
OB side
Page: 15
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
3.For IB side, align end barrel in its slot as shown in the picture on the right.
Then for IB/OB side, loop the wire thru the pulley so it fits in its chanel.
IB side
OB side
Page: 16
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
Caution!
For new Bowden cable assembly; routing is
not requiring the white fixation clip.
Bowden cable is going under the back panel and
on the side of the isofix bracket, like it shows on
the image.
IB side
OB side
Rear view
Page: 17
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
Exception for old Bowden cables
(Before February 2023)
For old Bowden cable assembly; routing
should be done throughout the rear traverse,
insert the barrel in the white plastic fixation
clip.
For OB Bowden cable, it should run from OB to
IB throughout the traverse and upwards in the
IB side of the backrest.
IB side
OB side
For IB Bowden cable, it should run from IB to
OB throughout the traverse and upwards in the
OB side of the backrest.
Front view
Page: 18
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
Old Bowden cable
5. Loop down from the backrest and install
the Christmas tree.
Follow the routing according to the cable
used.
OB side
IB side
Front view
New Bowden Cable
IB side
OB side
OB side
IB side
Rear view
Page: 19
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
New Bowden Cable
Old Bowden Cable
6. Route the cable and attach Bowden
cable into its white clip.
Follow the routing according to the
Bowden cable used.
OB side
IB side
Page: 20
OB side
IB side
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
7. Attach the new
Bowden cable spring by
attaching the end in the
spindle nut (white plastic)
of the actuator.
Page: 21
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
8. Attach barrel in actuator by
pulling the cable until the barrel
can fit in the actuator.
Then push the barrel in its place, a
click must be heard.
Page: 22
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
9. Reinstall actuator cover.
Page: 23
Attachment to SI B52 14 23
October 2023
Bowden Cable Assembly
10. Function test seat to confirm everything is working well.
Old Bowden Cable
Page: 24
New Bowden Cable
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: B521423
Replacement Service Bulletin Number:
MFR Communication Date: 2023-10-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SEATS
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.