Image available on the official notice.
Passenger cars (BMW 523i Touring and 15 other models) - Repair
Official notice
6 Apr 2026
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (BMW 523i Touring and 15 other models) - Repair. Defroster (air conditioning unit harness) defect. ■ Defective part (component name): Defroster (air conditioning unit harness). ■ Defective condition of the structure, equipment or performance and its cause: Due to inadequate design assessment of the air conditioning unit wiring harness routing, some vehicles have insufficient clearance between the harness and the microfilter housing cover fastening section. Consequently, the harness may become trapped in the fastening section when the microfilter is replaced. During use, the harness insulation may become damaged, preventing the defroster and other functions from operating. In the worst case, a short circuit may cause a fire. Published 2026-04-06.
What to do now
(Recall notification number) 外-4170 ■ Corrective measures: Reroute the wiring harness on all vehicles. Inspect the wiring harness and repair it if damage is found.
Recall number
外-4170
Official notice
2026-04-06
The hazard
The hazard
Defroster (air conditioning unit harness) defect. ■ Defective part (component name): Defroster (air conditioning unit harness). ■ Defective condition of the structure, equipment or performance and its cause: Due to inadequate design assessment of the air conditioning unit wiring harness routing, some vehicles have insufficient clearance between the harness and the microfilter housing cover fastening section. Consequently, the harness may become trapped in the fastening section when the microfilter is replaced. During use, the harness insulation may become damaged, preventing the defroster and other functions from operating. In the worst case, a short circuit may cause a fire.
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.
Recall Numbers
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Turn on automatic VIN checksAffected VINs (9)
Affected VINs (9)
The official notice holds the authoritative list of all 9 VINs.
Check my VIN automaticallyAffected products
Affected products
Product 1
Product 2
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: BMW. Contact: ビー・エム・ダブリュー株式会社. Phone 0120-954-018.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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