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      12-31-2018, 04:00 PM   #89
knightarmor
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Did this to my F80 a couple of months ago and finally got the roof bars for Christmas! Very happy that I can now throw my mtn bike up on the M in the spring! Thanks so much for the DIY instructions. Super easy to do, you just need patience and good tools. Some experience milling into composites is a big ++!!
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      12-13-2019, 09:50 AM   #90
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New to the forum- bought a '16 F80 in Alpine White in Sept with CF roof and this has been my first mod(came with the Carbon rear lip, diffuser and front lip). This post was spot on and helped me get my roof rack and bike racks installed! After spending an embarrassing amount of time trying to embed the photos (... ), the photos are attachments below. Will say that the original post is perfect at laying things out step by step.
The point here and what was helpful for me to see was that other people were having success with it and I can confirm. Took less than an hour to complete, then a day to let materials settle before installing racks.
Something that made it a lot easier to access was removing the roof rail moldings. Its as simple as pulling straight up in one of the access points. Read that the front and rear points can come loose or not sit flush needing 3M tape to keep them down but I haven't experienced any issues since putting back on.
The nuts were exactly where this post said they were. Measured and marked with a silver sharpie to see on CF. Used a small drill bit as a pilot and then used a forstner drill bit to access the screw. Would recommend that over a wood drill bit but I think both will do the job. Was surprised how thick the CF actually was but going slow with the drill, it was relatively simple.
The OEM Star Screw (part number 07 14 7 153 767) recommenced here worked, filled the hole with the Silkaflex and inserted/tighten in the screw. The material I got only came in a grey so I used a gloss black auto paint so it'd blend in better with the CF.
Then let everything set for 24 hours before clipping back in the roof rail moldings and adding the racks.
Added a photo just the Thule Aero roof rack and a few photos of the Kuat Trio bike racks along with my two MTB's (Evil Calling and Transition PBJ).
Love the set up and the way it turned out overall. I ride 2-3x per week so it makes it convenient to go. Would highly recommend the Kuat Trio racks for ease of use and they come with a built in cable lock that comes out of the back and locks around rear triangle and wheel. Can definitely hear the racks up there and will most be taking on and off when not riding often or hitting up some track days next year.

Anyways, hope this helps someone make the decision that its worth doing!
(Now on to some performance mods....)
Cheers!
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      12-13-2019, 03:29 PM   #91
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Quote:
Originally Posted by danewhite198 View Post
New to the forum- bought a '16 F80 in Alpine White in Sept with CF roof and this has been my first mod(came with the Carbon rear lip, diffuser and front lip). This post was spot on and helped me get my roof rack and bike racks installed! After spending an embarrassing amount of time trying to embed the photos (... ), the photos are attachments below. Will say that the original post is perfect at laying things out step by step.
The point here and what was helpful for me to see was that other people were having success with it and I can confirm. Took less than an hour to complete, then a day to let materials settle before installing racks.
Something that made it a lot easier to access was removing the roof rail moldings. Its as simple as pulling straight up in one of the access points. Read that the front and rear points can come loose or not sit flush needing 3M tape to keep them down but I haven't experienced any issues since putting back on.
The nuts were exactly where this post said they were. Measured and marked with a silver sharpie to see on CF. Used a small drill bit as a pilot and then used a forstner drill bit to access the screw. Would recommend that over a wood drill bit but I think both will do the job. Was surprised how thick the CF actually was but going slow with the drill, it was relatively simple.
The OEM Star Screw (part number 07 14 7 153 767) recommenced here worked, filled the hole with the Silkaflex and inserted/tighten in the screw. The material I got only came in a grey so I used a gloss black auto paint so it'd blend in better with the CF.
Then let everything set for 24 hours before clipping back in the roof rail moldings and adding the racks.
Added a photo just the Thule Aero roof rack and a few photos of the Kuat Trio bike racks along with my two MTB's (Evil Calling and Transition PBJ).
Love the set up and the way it turned out overall. I ride 2-3x per week so it makes it convenient to go. Would highly recommend the Kuat Trio racks for ease of use and they come with a built in cable lock that comes out of the back and locks around rear triangle and wheel. Can definitely hear the racks up there and will most be taking on and off when not riding often or hitting up some track days next year.

Anyways, hope this helps someone make the decision that its worth doing!
(Now on to some performance mods....)
Cheers!
Nice work! I like the blacked out roof bars.
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      12-18-2019, 04:46 PM   #92
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Has anyone that has done this had any negative side effects?
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      03-22-2020, 08:42 PM   #93
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Quote:
Originally Posted by fknlo View Post
Has anyone that has done this had any negative side effects?
I have not had any issues but i haven't used the rack very much. I do live in Seattle and have not had any issues with leaks or the roof.
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      04-05-2020, 03:31 AM   #94
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Thanks for the tutorial

Completed mine today as well. Here are some photos.
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      04-09-2020, 09:38 PM   #95
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Thule fit kit 3028 gap

Can anyone confirm if they also have a gap like this? TIA
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      04-09-2020, 09:39 PM   #96
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sorry photos didn't attach
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      04-10-2020, 07:39 PM   #97
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Finished Producy

Got it all lined up now[IMG]undefined[/IMG]
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      04-10-2020, 07:40 PM   #98
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Pics
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      04-13-2020, 01:41 PM   #99
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Im still proud i could help you guys with this! Keep going!
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      04-13-2020, 01:48 PM   #100
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No going to lie, I only viewed this in hopes DIY meant you made it out of coat hangers and plywood. Good job. lol
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      04-14-2020, 04:44 PM   #101
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Quote:
Originally Posted by MarksM View Post
Measured from the front edge of the carbon roof.
12.5 to first hole.
26.75 hole to hole.
39.375 to the second hole.

Measured from rear edge of the carbon roof;
12.875 to the rear hole 38.75 to front hole.
.375 to .5 outside edge of the gutter to the center of the hole
Same distance as the round impression but in a different location.

Drill with a 1/8" drill to be sure that you hit the hole then enlarge with a 1/4" drill them a fly-cutter of 1/2"
Install BMW part 07 14 7 153 767 with thread lock on threads and a black weatherproof sealant at the top threads to seal for water.
you will need 4 of these before you start. 07 14 7 153 767

or this https://f80.bimmerpost.com/forums/sh....php?t=1344846
Can somebody confirm the front mounting point locations for me? Wondering if the above is a typo (or MY specific). The mid-point of the “wings” on my roof measure 11.5” from the front (vs 12.5” posted here). My car is a MY15, so I suppose this has changed but I’m skeptical. Do the mounting points align with where the roof edge flairs out?
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Last edited by rubber_ducky; 04-14-2020 at 05:01 PM..
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      04-14-2020, 04:58 PM   #102
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Quote:
Originally Posted by MarksM View Post
Measured from the front edge of the carbon roof.
12.5 to first hole.
26.75 hole to hole.
39.375 to the second hole.

Measured from rear edge of the carbon roof;
12.875 to the rear hole 38.75 to front hole.
.375 to .5 outside edge of the gutter to the center of the hole
Same distance as the round impression but in a different location.

Drill with a 1/8" drill to be sure that you hit the hole then enlarge with a 1/4" drill them a fly-cutter of 1/2"
Install BMW part 07 14 7 153 767 with thread lock on threads and a black weatherproof sealant at the top threads to seal for water.
you will need 4 of these before you start. 07 14 7 153 767

or this https://f80.bimmerpost.com/forums/sh....php?t=1344846
I’m 15” from the rear edge of the roof as well
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      04-15-2020, 04:00 AM   #103
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It just occurred to me that @MarksM has an M4. And the measurements are from that model. I have an M3 so that likely explains the discrepancies in measurements
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      04-15-2020, 03:22 PM   #104
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just measure the center of that tab and drill. If I was 4 for 4 then anyone can do it
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      04-15-2020, 06:23 PM   #105
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Quote:
Originally Posted by Kuucheki View Post
just measure the center of that tab and drill. If I was 4 for 4 then anyone can do it
Ha!
Solid advice. That’s what I’ll do!
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      04-16-2020, 07:30 PM   #106
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I measured the first one like 50 times. The rest of them I eyeballed and it came out perfect.
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      05-06-2020, 05:08 PM   #107
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Quote:
Originally Posted by fknlo View Post
Has anyone that has done this had any negative side effects?
Been over 5 months now, no issues at all. Continued use of putting bikes up on the racks 2-3x weekly with spirited runs out to the trails, all good . No leaks with heavy amounts of rain earlier this year. Taking time and making sure the epoxy is on there good seems to be the ticket.
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      05-06-2020, 05:12 PM   #108
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Quote:
Originally Posted by Kuucheki View Post
Can anyone confirm if they also have a gap like this? TIA
Looks good and yeah, slight gap in mine as well. Not perfect aesthetically but it does its job.
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      07-05-2020, 04:02 PM   #109
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Did this today on my F80 M3 sedan. Was super easy.

I eyeballed all four locations and hit the center of the torx screw/plug every time. Don't spend too much time measuring.

For the larger hole, I used a 3/4" diamond-edge hole saw. It was a little tricky to get started because the one I got had no pilot, but it bored a very clean hole in the carbon fiber.

Thanks to all who posted previously--the photos and comments were a big help!
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      11-01-2020, 07:35 PM   #110
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Did this mod today - worked fantastic.

A few pointers that worked well:

- I measured where to drill prior to pulling off the trim pieces. I flipped up the flaps - measured and marked to dead center of that, both length and width, and marked it. Then removed the trim and drilled. I hit dead center on all 4 corners.

- I think a 3/4" hole may work a hair better. As long as you properly fill with sealant once the new bolt is installed, you should be good to go.

- also, before installing the bolts, I used fine grit sandpaper to knock down any rough or sharp edges on the carbon. Then I installed and sealed.

- I used Permatex black silicone. I did NOT use the Permatex gasket sealer another thread suggested. The standard Permatex black silicone should be more than adequate.

- once dried, I'll go back and hit any exposed lightly sanded carbon with some flat black acrylic latex paint just to safeguard and for piece of mind.

Great mod - and great write up Maltman

Can't wait to get my bike and boards up there!
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