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Engine Control Units (ECUs) – Car Engine Computers

Blog about ECU Engine Controllers and Automotive Electronics
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AdBlue Fault or SCR Problem – NOx Errors, No-Start Countdown & Solutions

ECU Diagnostics and Repair 19-08-2026

AdBlue, SCR or NOx Problem?

Is your vehicle counting down the remaining miles or kilometres until the engine can no longer be restarted, showing an AdBlue warning after refill, or reporting a NOx sensor fault?

In our guide, we explain the most common AdBlue problems, typical SCR and NOx faults, supported ECU types and available service options for vehicles such as Fiat Ducato, Peugeot Boxer, Citroën Jumper / Relay, Iveco Daily, VW T6, BMW and many others.

You can also find out how AdBlue OFF at our workshop, sending your own ECU to us, or purchasing a prepared replacement ECU works.

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EcuSale 0
BMW ECU Contaminated with Diesel Fuel? 2.0 Diesel ECU Repair

ECU Diagnostics and Repair 02-08-2026
BMW 2.0 Diesel ECU Contaminated with Fuel – What Should You Do?

Starting problems, no communication with the ECU or diesel fuel visible inside its connector may indicate an electronic fault in the BMW engine control unit.

In this guide, we explain:
- why diesel fuel can enter the engine ECU,
- the most common symptoms and fault codes,
- which components should be checked or replaced before refitting a repaired ECU,
- how ECU repair, cloning and programming are carried out,
- the differences between ECUs for vehicles with and without AdBlue,
- which tested BMW engine ECUs are available for sale.
Read the full guide to learn how to prevent a repaired or replacement ECU from being contaminated and damaged again.
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ECUSale - Technical Team 0

Automotive Electronics Manufacturers

ECU Engine Controllers, ABS Pumps, BCM Modules and automotive electronics.

1. Are the products tested before shipping?

Yes, every ECU engine controller, BSI module, BCM module, ABS module, transmission control unit, and other automotive electronic module is electronically tested before shipment. Each unit is checked for proper communication and correct operation to ensure you receive a fully tested product ready for installation.

2. Does the ECU engine controller require programming or coding after installation?

Whether programming or coding is required depends on the version of the product. We offer VIRGIN, IMMO OFF, and Plug & Play ECU engine controllers. Information about any required programming or coding is always clearly stated in the product description. In many cases, the unit can be installed and used without any additional coding or adaptation.

3. How do I choose the correct part for my vehicle?

The most important step is to compare the part numbers found on your original unit. Pay special attention to the Bosch, Siemens, Magneti Marelli, Continental, or vehicle manufacturer's OEM part number. If you are unsure, simply send us a photo of your existing module or provide your vehicle's VIN, and our specialists will help you identify the correct part.

4. Are the products covered by a warranty?

Yes, all ECU engine controllers, ABS modules, BCM modules, BSI modules, transmission control units, and other automotive electronic modules offered in our store are covered by a warranty. Every product is carefully tested and prepared before shipment. If you experience any issues, our technical support team is available to assist with diagnostics and help resolve the problem quickly and efficiently.

5. What payment methods are available in the store?

We offer secure online payments processed through Stripe and PayPal. Customers can pay using a credit or debit card, Apple Pay, Google Pay, Klarna, online banking payments, or a traditional bank transfer. After placing an order, you will receive a secure payment link to complete your purchase safely and conveniently.

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Engine Control Units (ECUs) – Car Engine Computers

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0281014174 4L0910401G 4L0907401A Plug & Play engine controller Audi Q7 3.0 TDI – IMMO OFF

0281014203 A6461500577 VIRGIN ECU ENGINE CONTROLLER MERCEDES 2.2 CDI CR4.20

0281014206 7805586 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0 D DDE7805586

0281014208 8200666516 VIRGIN Plug & Play ECU engine controller Renault Master Vivaro Trafic Mascott

0281014223 39114-27346 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 3911427346

0281014250 39110-27355 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 CRDi 3911027355

0281014281 39113-27760 IMMO OFF ECU ENGINE CONTROLLER HYUNDAI I30 3911327760

0281014287 7806379 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0 D DDE7806379

0281014376 4F9910401B IMMO OFF ECU Engine controller Audi A6 C6 / S6 3.0 TDI Plug & Play

0281014382 4F5910401K IMMO OFF ECU Engine controller Audi A6 C6 / S6 2.7 TDI Plug & Play

0281014384 4F5910401M IMMO OFF ECU Engine controller Audi A6 C6 / S6 2.7 TDI Plug & Play

0281014407 4L0910401S IMMO OFF ECU ENGINE CONTROLLER AUDI Q7 3.0 TDI NO CODING REQUIRED

0281014409 4L1910401 ECU Engine Control Unit Immo Off Audi Q7 3.0 TDI Plug & Play

0281014438 7806981 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0 D DDE7806981

0281014543 7808314 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0 D DDE7808314

0281014648 8200666516 VIRGIN Plug & Play Engine ECU for Trafic Vivaro Primastar

0281014721 03G906016MJ IMMO OFF ECU ENGINE CONTROLLER Skoda Octavia 1.9 EDC16U1

0281014734 51830255 ECU Engine Controller Fiat Ducato 3.0 JTD DPF OFF Plug & Play – Without DPF

0281014750 P68034133AA ECU engine controller for Jeep Wrangler 2.8 CRD 68034133AA

0281014787 P05187639AB VIRGIN ECU ENGINE CONTROLLER DODGE NITRO 2.8 CRD

Ecu Controller SID208

Ecu Controller Audi Q7

Ecu Controller 1.3 CDTI Corsa

Ecu Controller Ford DCM3.5

Blog about ECU Engine Controllers and Automotive Electronics Go to the Blog

AdBlue Fault or SCR Problem – NOx Errors, No-Start Countdown & Solutions

AdBlue, SCR or NOx Problem?

BMW ECU Contaminated with Diesel Fuel? 2.0 Diesel ECU Repair

BMW 2.0 Diesel ECU Contaminated with Fuel – What Should You Do?