+48 888 638 546

sale@ecusale.com

Your cart is empty

Engine Control Units (ECUs) – Car Engine Computers

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

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.

Read more
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.
Read more
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.

We respect your privacy

We use cookies and similar technologies to remember your settings, show you personalized content and ads, and provide social media features. We also use cookies to measure traffic and analyze how our website is used.

By default, only the cookies that are necessary for the site to function properly are enabled. Below, you can accept all types of cookies by clicking "Accept all", or refuse their use (except essential cookies). You can also customize cookies to your needs by selecting "Customize consents". You can withdraw or change your consent at any time by clicking the "Cookie settings" link at the bottom of the page.

Details about the cookies we use and the principles of processing personal data can be found in the Privacy Policy.

Allow only necessary

Customize consents

Allow all

Cookie settings

Here you can specify your preferences regarding the use of cookies placed by us and external service providers whose services we have added to our site.

These are computer data saved and stored by the browser, which are required for the proper operation of the online store. They are usually installed only in response to your actions, such as: specifying privacy settings, adding a product to the basket, logging in, selecting payment methods and collection points. You can set your browser to block or warn you about these files, but blocking them will prevent the site from functioning. Necessary cookies do not store any personal data that allows for identification.

They allow us to personalize the site and remember previously selected settings. They can be set by us or by external service providers, in the event that we extend the functionality of our store with various add-ons and integrations. Rejecting these files will not affect the correct operation of the store, but some useful functions will be unavailable to you.

They allow us to count visits and traffic sources. This allows us to analyze how our site is navigated and improve its performance. We can also check the popularity of our products and improve the offer. The data collected is completely anonymous and does not allow for the identification of specific users. If you do not allow these files, we will not know when you visit our site and we will not be able to ask you to express your opinion about purchases.

Data used by the store software provider - Shoper S.A. They are used to perform analyses related to software development and measure the effectiveness of advertising campaigns. They are not combined with other information provided during registration and ordering. You can read more about this in Shoper Cookie Policy.

They allow us to better tailor the displayed advertising content to your interests and promote our products on other websites you visit. Marketing cookies do not store personal data. They are based on the unique identification of your browser and internet device. If you do not allow their use, ads will still be displayed, but they will not be personalized based on cookie data.

Cancel

Save preferences

Engine Control Units (ECUs) – Car Engine Computers

Subcategories

Chosen Filters

Price

Vendor

List of products

20582958 TRW P07 ECU Engine controller Volvo ECU

0281031305 8582555 ECU engine controller BMW 5 F10 F11 525d DDE8582555

8576366 0281030329 ECU Engine controller BMW 2.0 Diesel DDE8576366 BMW F20 F30 E84

8584283 0281031641 – ECU Engine controller BMW DDE 2.0 Diesel DPF

4L0910409 0281013013 Plug & Play 2x ECU engine controller set Audi Q7 4.2 TDI – IMMO OFF

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

8578183 0281030767 Ecu engine control BMW 2.0 diesel DDE8578183 TESTED

0281031052 5801804545 ECU ENGINE CONTROLLER Iveco Daily Eurocargo S-Way 4565469 TESTED

0281039468 5802825264 ECU ENGINE CONTROLLER Iveco Daily Eurocargo S-Way TESTED

0281039467 5802825661 ECU ENGINE CONTROLLER Iveco Daily Eurocargo S-Way TESTED

0281021127 5803049526 NEW ECU ENGINE CONTROLLER IVECO Eurocargo Stralis Cursor

0281031775 ECU Engine Controller BMW DDE8585378 F10 F20 F30 2.0 Diesel

8586538 0281031947 BMW 5 525d 2.0 Diesel ECU Engine Controller DDE8586538

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?