Description
2008 BMW 335i 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 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



Jonah Turner –
I was a bit nervous ordering an ECU online for my 2008 BMW 335i, but this purchase completely exceeded my expectations. The unit came VIN programmed and ready to install, which saved me so much hassle compared to trying to do it myself. Shipping was surprisingly fast and free, arriving well within a week. The team also kept me informed throughout the process, promptly answering my questions whenever I reached out. After installation, my car runs smoothly without any glitches, and I couldn’t be happier with the quality of the repair.
Trevor Campbell –
ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—car runs like new!
Great communication throughout the process, and the programmed ECM worked perfectly with no issues.
Fast turnaround and professional programming service made installing this ECM hassle-free and smooth.
Shipping was super reasonable, and the quality of this updated ECU is top-notch; highly recommend!
Brandon Sharp –
I was really impressed with how smoothly the process went. The ECU arrived quickly with free shipping, and the VIN was already programmed perfectly to my 2008 BMW 335i. Installation was straightforward, and the car runs like new again. The team also answered all my questions promptly, which made me feel confident about the purchase.