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+---- Thread: BMW G21 adaptive cruise control retrofit question (/showthread.php?tid=122158)
BMW G21 adaptive cruise control retrofit question - cosminmocan - 23-08-2026
Hello everyone
I am trying to make a list of the components needed for my car (BMW g21 320d 2019) in order for it to have adaptive cruise control.
The last 7 digits of the vin are FH86069.
After owning this car for more than 2 years, this is the function that I miss the most, and being able to retrofit would help me tremendously in my 400+ km trips.
Thank you for any help or suggestion!
RE: BMW G21 adaptive cruise control retrofit question - vanos - 23-08-2026
Edit FA with ACC, and calculate plan.
RE: BMW G21 adaptive cruise control retrofit question - cosminmocan - 23-08-2026
(23-08-2026, 13:05 PM)vanos Wrote: Edit FA with ACC, and calculate plan.
Thank you vanos, I did what you instructed me , added 5DF and calculated.
I took screenshots of the outcome and attached them here.
But from what I've understood the mrr radar is the only thing that needs to be added.
To that I also probably need the steering wheel buttons, front grill, support and cabling.
Thanks again !
RE: BMW G21 adaptive cruise control retrofit question - pcp1234 - 23-08-2026
you need mrr - 5A592D7
6883865
6883738
6999225 two of those
mrr wiring
7464199
7478822
9873221
RE: BMW G21 adaptive cruise control retrofit question - cosminmocan - 26-08-2026
(23-08-2026, 19:16 PM)pcp1234 Wrote: you need mrr - 5A592D7
6883865
6883738
6999225 two of those
mrr wiring
7464199
7478822
9873221
This is awesome , thank you so much for this list.
I still have 2 questions:
1. From earlier posts I read that mrr f5сcannot really be bought, and that it needs ратснing. If that is true or not, what really interests me is how much would this entire job come up to with remote coding included .
2. Is my abs pump compatible with adaptive cruise control ? How are we sure ?
Thanks again to everyone helping me understand this topic