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#1
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Trailer wiring - OEM harness issue - no power for lights or brakes?? brak
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#2
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Pretty sure there is a module you need also.
Hopefully someone that's done that will chime in. Sent from my Pixel 2 XL using Tapatalk
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04 E53 4.8 98 E38 4.4 04 Touareg 4.2 (x2) 87 E30 (getting a 4.4/6spd swap) 89 E30, selling it 96 E36 parts car MK2 jetta with a 1.9alh swap 90 XJ Crawler 2000 XJ crawler in the works 63 Ragtop bug 64 Bug 06 F-350 to drag all the above when they brake. |
#3
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HaHa. I actually had gotten the module that same day without even knowing what it was..Not my first rodeo with BMW in that way. thx zuk for the reply so quickly. I'll dig that module out of my parts bin and give it a try.
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#4
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Did you get all the other pieces to the hitch ? There are like 8-10 pieces altogether..like the bumper reinforcement?
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#5
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Yep ... There is a lot there. Make sure you have every piece. I found a couple of bolts had never been installed on my OEM hitch.
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2003 3.0 5MT Topasblau Purchased in 2016 and surprisingly still running |
#6
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I took a look at the back of my 2001, and it appears the hitch takes the place of the bumper shocks. I took the bumper off of the 2002 at the yard and set it aside to remove the hitch itself, so it should still be there if I need anything else. I don't know if I got everything I should have, but I got:
1) the hitch itself and the 8 bolts and nuts that hold it on (nuts are in front) 2) the 2 mounts that hold the bumper on (with the 2 big T55 torx) 3) the wiring harness 4) the control module 5) the mount for the wiring harness with 2 bolts to hold it on Is the bumper "reinforcement" (that's the metal part inside the plastic bumper cover, right?) different than the one I have now? Anything else I need to check? thx |
#7
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https://xoutpost.com/attachments/x5-...-hitch-kit.jpg
I have linked a picture above You DO need the long bumper reinforcement you left behind. It is different on x5’s with/without the factory hitch I also want to make sure you have the two heavy brackets that insert into where the bumper shocks go. They are bolted from the rear AND underneath. Maybe they‘re currently attached to the used hitch you have ? |
#8
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looks like I'm going to visit the u-pull-it yard tomorrow to get the other parts in the photo. thx for the info.
Do you know if there is anything else I should get while I'm there (like an ATF cooler that might be included as part of the factory tow package) that I should look for? |
#9
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Pretty sure the ATF cooler is standard on all E53....
And yeah, you won't get any power to the trailer without the module plugged in.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#10
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I've put the module in and it seems to be working. do you know if it will work electric trailer brakes? The legend on the flip up cap does say "electric brakes" on one of the 7 terminals, but I wondered if I'll need to install one of the under dash trailer brake controllers like on my older truck.
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