Description
2016 BMW 340i 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 BMW 340i 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



Jorge Douglas –
I was nervous about replacing the ECM on my 2016 BMW 340i, but this unit arrived promptly with VIN programming already done, which made installation straightforward. The best part was the free shipping—it arrived faster than I expected. The car fired up immediately with no error codes, and it feels like new again. Customer service was great too; they answered all my questions quickly and didn’t leave me hanging. Overall, a smooth experience from start to finish.
Owen Roberts –
I purchased the 2016 BMW 340i ECM and was impressed with how smoothly the entire process went. The ECU came VIN programmed and ready to install, which made the setup completely plug-and-play. Shipping was very reasonable and arrived faster than I expected. The team also kept me informed throughout, promptly answering all my questions, which gave me confidence in the purchase.
Harrison Cox –
ECU arrived quickly with free shipping and was already VIN programmed—installation was seamless and my 340i runs perfectly.