Bosch MEVD17.2.5 ECU Fault
The Bosch MEVD17.2.5 engine ECU is widely used in entry-level BMW vehicles between 2011 and 2016, and is known to develop faults. ECU failure leads to misfires, which have become a huge problem for BMW 1 Series F20 and F21 owners. Don’t worry, as we remanufacture these ECUs in just 2-3 working days with a lifetime warranty included.
The MEVD17.2.5 is mainly fitted to BMW vehicles equipped with the N13 1.6-litre turbocharged petrol engine. This ECU failure commonly affects the second-generation BMW 1 Series F20/F21 (2011-2015), particularly in entry-level models such as the 116i and 118i. Other models affected are the first-generation BMW 2 Series F22/F23 (2014-2016) and the sixth-generation BMW 3 Series F30/F31 (2011-2015). When the ECU begins to fail, rough running and misfires quickly develop. Our remanufacturing service is designed to resolve these issues and restore full functionality. Complete this test form to begin your BMW ECU rebuild.
Bosch MEVD17.2.5 Fault Explained
The MEVD17.2.5 ECU belongs to the Bosch MEVD17 series of control units built on the TriCore architecture. It was developed for use with small-displacement petrol engines where it manages key engine functions such as fuel injection, ignition timing and turbocharger boost control. Over time, internal component degradation, electrical stress and engine heat cycles can cause faults in the ECU’s circuitry, resulting in irregular injector and ignition control. When this happens, it leads to symptoms such as misfires, rough running or reduced power.
These symptoms are often accompanied by related fault codes stored in the ECU. In MEVD17.2.5 ECU failures, a multiple-cylinder misfire code (DTC 140010) is commonly stored alongside cylinder-specific codes (DTCs 140110 to 140410), helping identify whether one or several cylinders are affected. The control unit may also store related injection shut-off codes (DTCs 140101 to 140401) as a response to the detected misfires.
These codes should not be treated as automatic proof of ECU failure. External issues such as a faulty ignition coils, worn spark plugs or damaged wiring can cause similar symptoms. However, if these have been ruled out, the problem typically originates within the ECU itself and must be addressed.
Is A MEVD17.2.5 ECU Replacement The Best Solution?
When dealing with a faulty ECU, many BMW owners are advised to replace it with a brand-new unit. However, this is far from the most effective option. Brand-new units are costly and contain the same components that are prone to failure, which means they remain vulnerable to faults and are not the most reliable and cost-effective long-term solution.
Our Solution
We offer you a better alternative than a standard replacement. Our Bosch MEVD17.2.5 rebuild service fully remanufactures the control unit to restore full functionality in 2-3 working days. We utilise hardware-in-the-loop testing rigs to examine your control module and identify the root cause of failure. Each unit is then rebuilt using higher-than-OEM-standard components to ensure long-term reliability. If you are experiencing repeated misfires, fill out this test form to begin your MEVD17.2.5 ECU rebuild process today.
Common failure symptoms:
- Engine misfiring
- Rough running
- Loss of power
Common fault codes:
- 140001 - Misfire Several Cylinders Fuel Injection Is Switched Off
- 140010 – Misfire Multiple Cylinders Detected
- 140101 - Misfire Cylinder 1 Injection Shut Down
- 140110 - Misfire Cylinder 1
- 140210 - Misfire Cylinder 2
- 140310 - Misfire Cylinder 3
- 140410 - Misfire Cylinder 4
- 150102 - Ignition Cylinder 1 Combustion Time Too Short
- 150202 - Ignition Cylinder 2
Test and rebuild:
Each MEVD17.2.5 ECU undergoes comprehensive testing, using our hardware-in-the-loop testing rigs which simulate realistic driving conditions and confirm the fault. The unit is then rebuilt and retested to ensure full operation.
Programming:
All programming previously stored within your control module is retained through our process. This means you won’t need to have your rebuilt ECU recoded to your vehicle.
Quality:
We pride ourselves on providing a high-quality service to automotive specialists worldwide. Our commitment is backed by our industry-leading defect rate of 0.49%.
Warranty:
Lifetime unlimited mileage*
How do I get my unit rebuilt?
To pay for the rebuild click the Shop Now link above, select your part number and click: Get yours rebuilt.
Print the payment/booking confirmation email.
Package the engine ECU inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received we will test, rebuild and return your MEVD17.2.5 with an unlimited mileage lifetime warranty. If your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping.
What if I don’t want to pay up front?
This is not a problem, if you prefer this option then follow these steps:
Fill in and submit this test form.
Print the booking confirmation email.
Package the MEVD17.2.5 inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received, we will test your unit and call to inform you of the outcome of testing. If your module is faulty and you choose to go ahead with the
rebuild, then we will take payment over the phone using a debit/credit card.
We will then rebuild your engine ECU and return it to you with an unlimited mileage warranty.
If you require further information regarding this MEVD17.2.5 ECU, then please contact us.