Description
2012 BMW 135i 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 BMW 135i 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
Dylan Wilson –
Fast shipping and a truly plug-and-play ECU that fit my 2012 BMW 135i perfectly. Saved me a bundle compared to dealer prices with smooth, professional service all the way.
Cameron Foster –
The ECU arrived quickly with free shipping and worked perfectly in my 2012 BMW 135i—smooth plug-and-play setup made the whole process hassle-free.
Great communication throughout the buying process and the VIN-programmed ECM fit my BMW 135i exactly as promised, couldn’t be happier.
Fast turnaround and the updated ECM runs flawlessly in my 2012 135i; their professional programming service really shows in the quality.
Joel Miles –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. The unit was truly plug-and-play, making installation straightforward without needing any extra programming on my end. Choosing this over the dealer’s option saved me a significant amount, and the seller’s communication throughout the process was clear and helpful. Overall, a smooth experience that got my 135i back on the road in no time.