Product Title

BMW 5 Series F10 F11 2012 Airbag Control Module ECU 6856875 (TSL4979) – OEM SRS Unit

Product Description

Genuine OEM BMW SRS Airbag Control Module (ACSM/ECU) for BMW 5 Series F10 and F11 models.

Part number 6856875 (TSL4979), responsible for managing the vehicle’s restraint system including airbag deployment, crash detection, seatbelt pretensioners, and SRS diagnostics.

This item is used OEM and removed from a working vehicle unless otherwise stated. It may show normal signs of wear consistent with age and use.

Please carefully review all photos before purchase to confirm condition and compatibility.

Compatibility

Vehicle Models

• BMW 5 Series F10 (Sedan)
• BMW 5 Series F11 (Touring)

Model Years

• Approximately 2009–2013 (including 2012 models)

Engine Variants

• 520d / 525d / 530d
• 523i / 528i / 535i / 550i
  (varies by build and market)

OEM Part Numbers / Cross References

• 6856875
• 34526856875
• 0265020166
• 6799890
• 34526799890

Function

This SRS control module manages:

• Airbag deployment (front, side, curtain airbags)
• Seatbelt pretensioners
• Crash sensor signal processing
• SRS system diagnostics and fault storage

It is a critical safety ECU for BMW occupant protection systems.

Important Notes

• Module may require VIN coding after installation
• Some units may contain stored crash data depending on donor vehicle
• Must match exact part number or approved BMW interchange reference
• Professional installation and BMW diagnostic tools (ISTA/Autel) strongly recommended

Item Details

• Brand: BMW (OEM)
• Part Number: 6856875
• Reference: TSL4979
• Type: Airbag Control Module (SRS ECU)
• Condition: Used

Return & Shipping Policy

• Returns accepted within 14 days of delivery
• Item must be returned in original condition and packaging
• Buyer is responsible for return shipping costs
• Import duties and taxes are buyer’s responsibility

Important Notice

• Used electronic safety component
• We are not responsible for coding, programming, or installation issues
• Always verify compatibility using VIN or part number before purchase

Contact

For VIN compatibility confirmation or technical questions, please message before purchase.