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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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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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0281015062 A6461507272 ECU Engine controller Mercedes 2.2 CDI OM646 VIRGIN CR4.21 ECU Bosch

0281015128 7809955 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0D DDE7809955

0281015143 39110-27375 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 3911027375

0281015165 4L0910409D ECU Audi Q7 4.2 TDI Plug & Play – 2x set ECU IMMO OFF

0281015212 55568896 ECU Engine Controller Saab 9-3 1.9 TTiD 2 Turbo Bosch VIRGIN

0281015241 7810980 ECU engine controller BMW X5 E70 X6 E71 3.0d DDE7810980

0281015322 8200518648 Engine ECU Suzuki Grand Vitara 1.9 DDiS

0281015330 8200935115 Renault Trafic II 2.0 dCi – engine control unit ECU VIRGIN Plug & Play

0281015371 39114-27347 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 CRDi 3911427347

0281015438 39103-2A716 IMMO OFF ECU ENGINE CONTROLLER KIA CEED 1.6 CRDi 391032A716

0281015496 39111-2A050 IMMO OFF ECU ENGINE CONTROLLER HYUNDAI I20 391112A050

0281015506 39104-4A301 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 391044A301

0281015539 39114-4A415 IMMO OFF ECU ENGINE CONTROLLER KIA Sorrento 2.5 391144A415

0281015560 51849380 VIRGIN ECU ENGINE CONTROLLER FIAT BRAVO 1.6 Multijet

0281015802 39114-4A481 IMMO OFF ECU ENGINE CONTROLLER KIA SORENTO 2.5 CRDi 391144A481

0281015852 7823800 ECU Engine controller BMW 535D 3.0 DDE7823800

0281015868 4L1910401D IMMO OFF ECU Engine Controller Audi Q7 3.0 TDI – Plug & Play

0281015871 7L0907401N IMMO OFF ECU Engine controller VW Touareg 3.0 Plug & Play

0281015893 3D0907401G ECU ENGINE CONTROLLER Volkswagen WV Phaeton 3D0907401D EDC17CP04 TESTED

0281016272 03L907309K IMMO OFF – Engine Control Unit VW Volkswagen Transporter / Caravelle T5 2.0 TDI

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?