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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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0281013854 7805287 ECU ENGINE CONTROLLER BMW 3 X3 - 3.0D DDE7805287

0281013901 P05149122AD ECU Engine Controller VIRGIN Jeep 3.0 CRD – Clean

0281013902 P05149123AE RENOVATED ECU ENGINE CONTROLLER 123AE JEEP 3.0

0281013903 P05149124AD RENOVATED ECU ENGINE CONTROLLER 124AD CHRYSLER 300C

0281013911 P05187189AC 189AC ECU engine controller JEEP 3.0 CRD renovated

0281013912 P05187204AC RENOVATED ECU ENGINE CONTROLLER 204AC JEEP 3.0

0281013913 P05187206AC RENOVATED ECU ENGINE CONTROLLER 206AC JEEP 3.0

0281013915 P05187210AC RENOVATED ECU ENGINE CONTROLLER 210AC JEEP 3.0

0281013916 P05187212AC RENOVATED ECU ENGINE CONTROLLER 212AC JEEP 3.0

0281013918 P05187216AD RENOVATED ECU ENGINE CONTROLLER 216AD JEEP 3.0

0281013919 P05187218AA RENOVATED ECU ENGINE CONTROLLER 218AA JEEP 3.0

0281013920 P05187220AD RENOVATED ECU ENGINE CONTROLLER 220AD JEEP 3.0

0281013921 P05187224AA RENOVATED ECU ENGINE CONTROLLER 224AA JEEP 3.0

0281013922 P05187226AC RENOVATED ECU ENGINE CONTROLLER 226AC JEEP 3.0

0281014079 7805140 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0D DDE7805140

0281014080 P05187330AA ECU Engine controller JEEP 3.0 CRD VIRGIN 330AA

0281014081 P05187330AA RENOVATED ECU Engine controller VIRGIN 330AA JEEP 3.0

0281014082 P05187506AA RENOVATED ECU ENGINE CONTROLLER 506AA JEEP 3.0

0281014115 7L0907401E ECU engine controller VW Touareg 3.0 TDI Plug & Play IMMO OFF

0281014148 074906032AP IMMO OFF – ECU Engine Controller VW Crafter

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?