Successfully added Traffic Jam Assistant to US model -- interested in other people's experience with TJA

[I3drivei3]

I just had Premium Retrofit code my 2015 I3 for lane assist and it works great. I did have to buy the module from them and easily installed it behind the steering wheel in about 10 minutes. Yes, many of your Bimmercode programming will be erased, but you can easily recode. Premium Retrofit stated that they will reprogram for free if the coding ever gets erased.

 

[Fleshy8029]

Has anyone purchased a TJA module, had it programmed, and then had it not work? I've never been able to get it to function on my 2019 i3S.

 

[JohnnyCakes]

Who did the programming? From whom did you purchase the TJA module? Critical facts!

 

[Fleshy8029]

It was premiumretrofit who did both. I've been meaning to learn how to program myself but haven't gotten around to it.