OEM Remanufactured BMW DME MSD81 Control Unit 12147616431 - Plug & Play (Cloning Included)

Complete Solution: Remanufactured Genuine BMW DME with Data Cloning

Avoid the extreme cost of a brand-new engine computer and the requirement for a dealership "Online Coding" session. We provide a fully remanufactured Genuine BMW DME (Digital Motor Electronics) that includes a professional data cloning service.

This is a 100% "Plug & Play" solution for BMW Part #12147616431 and its compatible variants.

How This Service Works

1. Purchase: You are buying a high-quality, remanufactured OEM DME from our inventory.

2. Ship Your Original: After purchase, mail us your original faulty DME. It must still communicate with a scan tool so we can extract your vehicle's unique identity.

3. Data Transfer: Our technicians clone your Immobilizer (ISN) data, VIN, and engine adaptations onto our remanufactured unit.

4. Plug & Play: We ship the programmed module back to you. Simply install it and start your car—no dealer trip or additional coding required.

Functions Controlled by the DME

The BMW Basic Control Unit DME is the primary "brain" of your engine, managing:

• Fuel Injection & Ignition: Precision timing for optimal power and fuel efficiency.

• Valvetronic & Vanos: Controls variable valve timing and lift for smooth engine operation.

• Security (EWS/CAS): Authenticates your key and communicates with the anti-theft system.

• Turbo/Boost Management: Regulates intake pressure and throttle response.
  
  
  

  Vehicle Fitment & Part Numbers

  Part Numbers: * 12147616431 (Current)

  • 12-14-7-616-431 (With dashes)

  Vehicle Fitment: This DME is commonly found in the following BMW models equipped with the N55 Engine:

  • BMW 135i / 135is (2011–2013)

  • BMW 335i / 335xi (2011–2013)

  • BMW X1 xDrive35i (2013–2015)

  • BMW X5 xDrive35i (2011–2013)

  • BMW X6 xDrive35i (2011–2014)

 

Common BMW N55 DME Failure Symptoms

If a BMW is experiencing these issues, the DME Control Unit is likely the culprit:

• Misfires on Multiple Cylinders: Often caused by failing injector drivers within the DME, even after replacing spark plugs and coils.

• No Start / No Communication: The vehicle cranks but won't start, and diagnostic tools (like ISTA or Autel) cannot establish a connection with the Engine Module.

• Internal RAM/Processor Errors: Fault codes such as 101008 (DME, internal error) or generic "Internal Control Module Memory Check Sum Error" usually indicate hardware degradation.

• BSD Bus Communication Faults: Issues communicating with the electric water pump, alternator, or oil level sensor can sometimes be traced back to a localized circuit failure inside the DME.

Fault Code	Description
1B5202	Supply, total vehicle electrical system: Voltage too low
1B5302	Supply, total vehicle electrical system: Voltage too high
101008	DME, internal error: Control of function failed
121001	TMAP sensor, short circuit to B+
12B104	Oxygen sensor heater before catalytic converter, activation: Line interruption

 

 

Part Numbers: 7546141 7550014 7565859 7565860 7567229 7567232 7567491 7567492 7567542 7567543 7568370  7568371 7568842 7568843 7569978 7569979 7571468 7571469 7572063 7572064 7572067 7572068  7573796 7573797 7573863 7573864 7574534 7574535 7575875 7575876 7576719 7576720 7576721  7576722 7578020 7578021 7578441 7578442 7583332 7583333 7586938 7586939 7586940 7586954  7588620 7588621 7594305 7594306 7595235 7595236 7596017 7596018 7611396 7611397

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