Description
2012 BMW 335i 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 BMW 335i 3.0L AT gas models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Jacob Marshall –
Received my programmed ECM quickly with free shipping, and it installed effortlessly—couldn’t be happier with the service.
Noah Mitchell –
After my original ECU failed, I was worried about the hassle of finding a replacement. This 2012 BMW 335i ECM arrived quickly and was already VIN programmed, making installation straightforward. The plug-and-play setup saved me a ton of time and effort, and the car fired up without any issues. I also appreciated how they kept me informed throughout the process, answering my questions promptly. Overall, this was a seamless experience, and my BMW runs like new again. Highly recommend to anyone needing a reliable replacement.
Michael Taylor –
I purchased the 2012 BMW 335i ECM and was impressed by how smoothly the entire process went. The ECU came VIN programmed, so installation was straightforward and hassle-free, essentially plug-and-play. Shipping was quick and affordable, which was a nice bonus. The communication from the seller was excellent—they kept me informed every step of the way.