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.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
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.
Andrew Lopez –
Super fast shipping and the ECU was completely plug-and-play. Saved me a ton compared to dealer prices and the installation went flawlessly.
Harrison Cox –
ECU arrived quickly with free shipping and was already VIN programmed—installation was seamless and my 340i runs perfectly.