Hello all! I'm absolutely stunned that this thread had no replies to alep85's post.
I'd been looking into this same retrofit earlier this year but had given up after buying a mirror with TOO NEW of a Homelink module. The first mirror I bought was from a 2018 F33 430xi, it had the claw type mounting to the windshield, which will not work on E9x/E7x cars.
After coming across this thread, I decided to try again. This time my donor mirror came from a 2012 F01 750i.
The mirror part number is 51169224345, which RealOEM lists as the following compatibility:
- 5' F07 GT (09/2008 — 06/2013)
- 5' F10 (01/2009 — 10/2016)
- 6' F06 Gran Coupé (05/2011 — 02/2015)
- 6' F12 (11/2009 — 02/2015)
- 6' F13 (03/2010 — 02/2015)
- 7' F01 (09/2007 — 06/2012)
- 7' F02 (07/2007 — 06/2012)
- 7' F04 Hybrid (10/2008 — 05/2012)
- i8 I12 (03/2013 — 10/2017)
- X3 F25 (07/2009 — 08/2017)
- Ghost RR4 (08/2008 — 11/2019)
I'm not certain if the donor car needs to be model year 2012 or newer, as LiftMaster started releasing Security+ 2.0 (which requires HomeLink Version 4 or newer) as a soft roll-out back in 2008.
Below are pictures from my old and new HomeLink modules. You can tell the version by the FCC ID on the back of the module. The old is CB2GTX2HL3, the new is CB2BMWHL4, denoting HomeLink Version 3 and 4.
Hopefully, this further information helps others who come across this and want to do the same!