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BMW 5-Series (G30) Forum DIY Discussions / Guides / Instructions G31 electric tow hitch retrofit

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      06-13-2023, 04:03 PM   #1
Wallace330d
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G31 electric tow hitch retrofit

Good evening, I've recently purchased a G31 that I'm looking to fit the OEM electric folding tow hitch to. I've got a second hand tow hitch and the retrofit kit 71602448621 but this didn't come with the instructions as I hoped. Does anyone have these they can share and any advice on the retrofit if anyone has experience with this?

The retrofit instructions have part number 01 29 2 448 622 but are not available on ISTA unfortunately.

Thanks David
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      06-27-2023, 03:38 AM   #2
AleksUK
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Hello David, I’m sorry I will not answer on your question, but I’m writing you because I’ve got G30 and I want to do the same retrofit. Do you know or have you idea what is required for this retrofit except the OEM electric folding tow hitch and the control module. Any wires, the button, something else?
I already emailed www.leebmann24.de with all this questions and if I have useful answer will let you knows.

Regards,
Alex
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      06-27-2023, 02:27 PM   #3
AleksUK
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Hello again,

I’ve received reply from leebman.de, this is all we need for this retrofit. It’s look like expansive thing, I haven’t expected something like this.

71 60 6888468 Satz Anhängekupplung elektr. s... 1.00
- Set of towing hitch electrically swivelling

63 11 9463370 Steuergerät Anhängerkupplung . 1.00
- Trailer hitch control unit

61 14 9393143 Stromverteiler hinten (high) 1.00
- Rear power distributor (high)

71 60 2448621 Nachrüstsatz elektrische Anbau... 1.00
- Retrofit kit electrical attachment.

61 12 6807324 Batteriekabel plus Unterflur 1.00
- Battery cable plus underfloor

Last edited by AleksUK; 06-27-2023 at 02:39 PM..
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      07-12-2023, 03:10 PM   #4
Wallace330d
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Hi Alex, the list of parts you have is correct, although I didn't change the battery cable.

I thought I might not need the rear power distributer/ fuse box but it depends on what options are on the car.

The mechanical install is fairly straightforward but the wiring into the BDC and Canbus is awkward due to the location. It does take a long time fitting it all but I do have it working now.

Last edited by Wallace330d; 07-19-2023 at 03:26 PM..
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      07-19-2023, 03:27 PM   #5
Wallace330d
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For coding in Scotland I would recommend Bimmerman - https://fb.watch/lT-_u8oWSE/
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      08-11-2023, 03:43 PM   #6
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Hi David, I am in the same predicament as you were. I ordered the electrical parts kit 71 60 2 448 621 from LLL parts and although some sites online indicated it comes with instructions, this one did not. How did you go about fitting your electricals in the end? Thanks in advance!
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