The carbon slicktop thread

[STAATS]

I went with Karbonius, whose finish quality (similar to their airbox) was impeccable. It seemed like many of the other CF roof manufacturers either offer "dry carbon" (non-clear coated), or are more track-specific and note that finish quality may suffer as such. For roughly the same price across the spectrum, I'm very happy with Karb. One thing to note was that their overall fitment was great, except for the front edge at the top of the windshield. It protruded slightly, and had to be ground down to sit flush with the frame.
Would still recommend.

The extra lip is somewhat on purpose, it allows you to get your front to rear alignment spot on and then just trim the lip as required. I have to trim a bit off my rear lip as well. This is exactly what I would expect from a part like this... I would expect something like this on an OE replacement as well as it allows you to make up for any frame changes since factory...

I have a Karb as well and the thing I liked the most is unlike any other CF roof I have seen it actually had the rail clip mounts on it so you could install your stock rail back in, instead of needing to get a CSL rail... made it easy for me to get my stock rails painted gloss black and clip them straight in... especially with CSL rails currently at $250USD EACH!

[Epsilon]

New carbon roof video from Redish Motorsport:

https://www.youtube.com/watch?v=wmC-gooNM0M

[duracellttu]

What's the consensus on the "best roof" in terms of fit and quality? Karbonius? IND? I would assume the OEM "slicktop" panel would be the easiest and cheapest but I'd think when it comes time to sell the car a car with a CF roof will sell for marginally more than a car with an "after the fact" BMW panel added on.

2M Autowerks in San Diego did my CF roof install. They have done a ton of roofs and said IND has best fitment and finish. That being said, fitment was spot on and there was one very small imperfection in the CF. Barely noticeable unless you are looking for it. Overall I was happy with the piece, but it wasn’t perfect.

[mainstreamer00]

I went with Karbonius, whose finish quality (similar to their airbox) was impeccable. It seemed like many of the other CF roof manufacturers either offer "dry carbon" (non-clear coated), or are more track-specific and note that finish quality may suffer as such. For roughly the same price across the spectrum, I'm very happy with Karb. One thing to note was that their overall fitment was great, except for the front edge at the top of the windshield. It protruded slightly, and had to be ground down to sit flush with the frame.
Would still recommend.

[ra2fanatic]

Can’t say which top is the best but I went with IND’s RKP CF Roof. IND has some amazing builds of their own so that’s what I’m going to base my decision on. Should be here next week.

[heinzboehmer]

I would assume the OEM "slicktop" panel would be the easiest

I would think that panel bonding a CF roof would be easier than welding and painting a metal one.

[cornerbalanced]

What's the consensus on the "best roof" in terms of fit and quality? Karbonius? IND? I would assume the OEM "slicktop" panel would be the easiest and cheapest but I'd think when it comes time to sell the car a car with a CF roof will sell for marginally more than a car with an "after the fact" BMW panel added on.

[Onefastsicilian]

Liking these alcantara headliners guys 👍🏻
Either of you get the sunvisors done also?

The guy who did mine said he could do them but they would be about $350, i said no thanks!.. The sunvisors don't look bad though so I'm ok with it.

[Obioban]

So what are you supposed to do with the sunroof drains on a sunroof car when doing the conversion?

I'm pretty sure all cars have the metal portion of the drains, stock-- including factory slicktop cars.

The soft lines just go in the trash.

[BMWahba]

So what are you supposed to do with the sunroof drains on a sunroof car when doing the conversion?

[Obioban]

Anyone know what happens with the sunroof drains when doing this conversion? I assume it’s the same setup?


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With no sunroof comes no sunroof drains.

[BMWahba]

Anyone know what happens with the sunroof drains when doing this conversion? I assume it’s the same setup?


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[Obioban]

Liking these alcantara headliners guys 👍🏻
Either of you get the sunvisors done also?

I couldn't figure out any way to cleanly deal with the edges.

Even on the e39 M5 (stock alcantara headliner/pillars/deck). the sun visors are black leather.

I ended up getting some no sticker sun visors and calling it good enough.

[old///MFanatic]

Also, wanted to show a picture of the slicktop headliner, pillars and rear decklid in Genuine Anthracite Alcantara.

Liking these alcantara headliners guys 👍🏻
Either of you get the sunvisors done also?

[Toby22]

Karbonious 1x1 carbon fiber