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Description
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Shipping
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Return Policy
Product Title
2012–2015 BMW 5 Series F10 F11 Control Module ECU 6857303 (TTA2946) – OEM Unit
Product Description
Genuine OEM BMW electronic control module for BMW 5 Series F10 and F11 models.
Part number 6857303 (TTA2946), used in BMW F-Series platforms for vehicle system management depending on configuration, including chassis control, drivetrain communication, and integrated vehicle electronics coordination.
This module is part of BMW’s F10/F11 electronic control architecture, supporting stable operation of multiple vehicle systems.
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
- 2011–2015 (including facelift and pre-facelift depending on configuration)
Engine Variants (varies by build)
- 520d / 525d / 530d
- 520i / 523i / 528i / 535i / 550i
OEM Part Numbers / Cross References
- 6857303
- 34526857303
- TTA2946
- 6857301
- 6857302
- 6857299
- 6857300
- 6864930
Function
Depending on vehicle specification, this module may support:
- Vehicle system coordination and communication
- Chassis and stability system integration (DSC-related functions)
- Driving dynamics and electronic control coordination
- Network communication between multiple ECUs in F10/F11 platform
It is part of BMW’s central electronic control system architecture.
Important Notes
- Coding/programming may be required after installation
- Must match exact part number or approved BMW interchange reference
- Incorrect module may cause vehicle system or chassis faults
- Professional installation and BMW diagnostic tools (ISTA/Autel) strongly recommended
Item Details
- Brand: BMW (OEM)
- Part Number: 6857303
- Reference: TTA2946
- Type: Control Module 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 control module
- 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.













