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BMW G21 adaptive cruise control retrofit question
23-08-2026, 12:51 PM, (This post was last modified: 23-08-2026, 12:52 PM by cosminmocan.)
Post: #1
BMW G21 adaptive cruise control retrofit question
Hello everyone  hi

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!
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23-08-2026, 13:05 PM,
Post: #2
RE: BMW G21 adaptive cruise control retrofit question
Edit FA with ACC, and calculate plan.


Vanos
Press Thanks and Reputation, if my post helped you. under
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[+] 1 user says Thank You to vanos for this post
23-08-2026, 13:59 PM,
Post: #3
RE: BMW G21 adaptive cruise control retrofit question
(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 !


Attached Files
pictures.txt
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23-08-2026, 19:16 PM,
Post: #4
RE: BMW G21 adaptive cruise control retrofit question
you need mrr - 5A592D7
6883865
6883738
6999225 two of those
mrr wiring
7464199
7478822
9873221

- Speed limit activation f5с7e and f5с11f
- active cruise control f5с149
- EVO carplay activation
- high beam assist 1b1
- MGU android auto
- coding/ retrofits
 
Successful retrofits - rear folding and heated seats F3x; ACC G05+ G2x; reverse camera F1X+ F2X+ F3X+ F40+ G3X; heated wheel F15 + F3X+ F40+ G01+ G07+ G2X+ G3X+ G05; high beam assist F3X+ F40+ G2X+ G3X+ G05; cruise control F2X; 6WA+ 6WB clusters on various models; Harman Kardon F15+ F20; CIC to NBT; NBT to EVO; trailer hitch G3X+ F15; folding mirrors F3X+ F2X; lane change assist G3X+ G0X+ G15+ G2X; gesture control GXX; heated electric memory seats F3x+GXX; laser lights G05, G20, G26; towbar F15, G61; engine swap F15; G30 rear lci lights
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[+] 1 user says Thank You to pcp1234 for this post
26-08-2026, 05:56 AM,
Post: #5
RE: BMW G21 adaptive cruise control retrofit question
(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
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