Description
2014 BMW 335i 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 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





Justin Collins –
Got my 2014 BMW 335i ECM quickly with free shipping, and it was perfectly programmed—car runs like new!
The plug-and-play setup made installation a breeze, and their team answered all my questions promptly.
Fast turnaround and excellent communication throughout the process—highly recommend this ECU for a smooth ride.
Justin Tucker –
I was a bit nervous ordering an ECU online, but this 2014 BMW 335i ECM arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made installation straightforward, and the engine runs perfectly now. I also appreciated the quick responses from their team whenever I had questions during the process. Shipping was super reasonable and the whole experience felt very professional. Definitely recommend this if you need a reliable replacement unit.
Aiden Nichols –
I purchased the 2014 BMW 335i ECM and was really impressed with how smoothly the whole process went. The ECU arrived quickly thanks to their reasonable shipping rates, and it was already VIN programmed, so installation was plug-and-play with no hassle. The communication was top-notch as well; they responded promptly when I had a few questions about compatibility. Overall, a seamless experience that got my car back on the road in no time.
Gavin Jenkins –
I had been struggling with my 2014 BMW 335i’s engine issues and decided to order this ECM. The fact that it came VIN programmed saved me a ton of time and hassle, and the plug-and-play setup was exactly as advertised—super straightforward. I was also impressed with their communication; they kept me informed throughout the shipping process, which arrived faster than I expected. Once installed, my car ran smoothly again, just like new. Definitely a reliable source for quality ECU parts.