BMW Telematics Control Unit (TCU) – 84-10-9-843-931 | TCB2 841013
Bluetooth Enabled | No Wi-Fi Hotspot | With or Without Navigation | For 3/4/5/6 Series & M Models (2016–2022)
Part Information:
- OEM Part Number: 84-10-9-843-931
- Also Known As: TCB2 841013
- Replaces:
• 84-10-6-836-753
• 84-10-9-395-900
• 84-10-9-395-906
- Type: Telematics Control Unit (TCU / TCB2)
- Connectivity Features:
- ✅ Bluetooth for phone & audio
- ❌ No 4G/LTE Wi-Fi Hotspot
- ? Navigation support depends on vehicle configuration (unit works with both nav and non-nav systems)
- Condition: 100% Brand New
- Package Includes: 1 × Telematics Control Unit
⚠️ CRITICAL: Order by Description – Not All TCUs Are Interchangeable!
This unit is specifically for BMW vehicles equipped with:
• Bluetooth connectivity
• No factory Wi-Fi hotspot
• May be paired with either navigation or non-navigation iDrive systems.
Installing the wrong TCU can cause “SOS Malfunction,” “Emergency Call Not Available,” or loss of remote services.
Confirmed Vehicle Applications (2016–2022):
- 3 Series: 320i, 328i, 328d, 330e, 330i, 340i, M3 (2016–2022)
- 4 Series Gran Coupe: 430i, 440i (2018–2022)
- 5 Series: 530e, 530i, 540i, 540d, M550i, M5 (2017–2022)
- 6 Series Gran Turismo: 640i xDrive (2018–2019)
- All models listed include xDrive (AWD) and RWD variants unless specified.
Common Reasons for Replacement:
- “SOS System Malfunction” or “Emergency Call Not Available” warning
- Remote Services (My BMW App) not working
- Bluetooth pairing fails repeatedly
- Vehicle cannot connect to BMW Assist or ConnectedDrive
- After battery replacement or electrical system fault
Key Features:
- New OEM-spec telematics module – not refurbished
- Compatible with iDrive 5, iDrive 6, and early iDrive 7 systems (depending on model year)
- Supports Bluetooth hands-free and audio streaming
- Does NOT include cellular modem for Wi-Fi hotspot (as per original equipment)
- Plug-and-play – but may require coding via ISTA/BMW software
? Installation & Coding Notice:
• This TCU must be coded • A generic “plug-and-play” installation will likely result in error messages.
• We strongly recommend professional installation by a BMW specialist.
• Provide your VIN at time of order—we’ll confirm compatibility!
Our Commitment:
- This is a brand-new, unused telematics unit matching BMW specifications.
- We verify fitment based on your VIN and original equipment configuration.
- Returns are not accepted for “uncoded” or “wrong feature set” if vehicle specs were not confirmed.
Restore full BMW ConnectedDrive, SOS emergency call, and Bluetooth functionality with this new telematics control unit—engineered for seamless integration into your vehicle’s communication network.
Disclaimer: This is a premium aftermarket replacement part compatible with OEM specifications. It is not manufactured by, affiliated with, or endorsed by BMW AG. “BMW,” “ConnectedDrive,” and “iDrive” are registered trademarks of BMW Group.