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Carbon Fiber repair

Discussion in 'General' started by Boman Forklift, Jan 9, 2025.

  1. Boman Forklift

    Boman Forklift Well-Known Member

    Anyone know anyone out here that does it? My son’s E39 M5 had a Vorsteiner Carbon Fiber Hood. They don’t make them anymore, but evidently they are the best ones that were made for this model car. I sold it to a guy that wants to repair the slight cracks it had on the edge, and his first couple auto body shops said they don’t work on carbon fiber?

    Any suggestions?
     
  2. onesixsix

    onesixsix Mmm... trash!

    I've used Calfee in the past for bicycles. You could give them a call and ask for a recommendation.

    Failing that, there are a few options via da googz and some local to you (e.g., Santa Ana, etc.)
     
    Boman Forklift likes this.
  3. Boman Forklift

    Boman Forklift Well-Known Member

    Thank you for the Calfee suggestion. Will pass it along.
     
    onesixsix likes this.
  4. nowayout

    nowayout Well-Known Member

    Maybe try a boat yard that does fiberglass repair.
     
    Boman Forklift likes this.
  5. damiankelly

    damiankelly Well-Known Member

  6. IL8APEX

    IL8APEX Well-Known Member

    If you're further up the Coast I've had these guys do some work before.

    https://carbonsolutionsrepair.com/

    VERY small shop. Personable and reasonable.

    I hope the hood is painted. On any carbon repair it will be nearly impossible to match the weave size, direction, and distortion. There are techniques to disguise the repair, but paint is best.

    -Tom
     
    Montoya likes this.
  7. Brian_J

    Brian_J Active Member

    is the carbon itself damaged or is it just the gelcoat?
     
  8. Boman Forklift

    Boman Forklift Well-Known Member

    Thank you, and yes it is a painted hood.
    I will try and shrink the pictures I took and post them here. I think it is probably both, but it is pretty minor and I'm not knowledgeable on carbon. If it were fiberglass, I would just lay some matt and resin over it, sand it, and repaint.

    Edit: The first picture if you look 1/2 down the right side on the edge you will see the bad spot. Second picture is close up of bad spot and third picture is to show it is a dual layer hood
    IMG_3985.jpg IMG_3986.jpg IMG_3991.jpg
     
    Last edited: Jan 10, 2025
    IL8APEX likes this.
  9. r6fast

    r6fast Well-Known Member

  10. Kurlon

    Kurlon Well-Known Member

    Tannermatic.com is pretty damn good with the stuff if New England isn't a hurdle.
     
    Boman Forklift likes this.
  11. RIB333

    RIB333 Well-Known Member

    I have a friend in the carbon composites business. Does all this type of repairs, moulding, race car seats, bodywork and more. Business is on Long Island. If interested I can reach out. He is not a painter though.
     
    Last edited: Jan 10, 2025
    Boman Forklift likes this.
  12. IL8APEX

    IL8APEX Well-Known Member

    Carbon pretty much is fiberglass with slightly different properties. They're both used in exactly the same way, captured in resin.

    Since the hood isn't structural (where damaged) you shouldn't need a specialist. A good body prep and paint guy will save you a bunch of money and maybe even out the rest of that surface finish (cringe!).

    -T
     
    Michael Hausknecht likes this.
  13. brex

    brex Well-Known Member

    You could find out what facility Cortez is currently in and see if they can take any arts and crafts projects.
     
  14. zamboiv

    zamboiv Well-Known Member

    Rob. Maybe ask the guys at pacific German. They’re down your way. I doubt they do it but might know where to send it. With GMG relocating their shop to thermal, I know a bunch of guys that have been going to pacific.
     
    onesixsix and Boman Forklift like this.
  15. Gino230

    Gino230 Well-Known Member

    I know two guys who can handle it but they are both east coast, and boutique type shops so probably not a good fit- shipping that thing would not make it cost effective.

    IF it's going to be painted, it's no big deal, probably any composites guy could do it. But I see the underside is carbon look so that's probably out. It's tough to make a good repair, they need to vacuum bag the whole thing, align the weave, etc.
     
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  16. onesixsix

    onesixsix Mmm... trash!

    Thank you! I was trying to think of the shop's name and couldn't. Pacific German is great and I'd be surprised if they didn't have a local recommendation. Great shop.
     
  17. Boman Forklift

    Boman Forklift Well-Known Member

    I will say I've never heard of Pacific German or GMG Racing, thanks for the referrals.
     
  18. twodocs

    twodocs Well-Known Member

    Try a boat place, a lot of carbon and composites used for the fast ones.

    I think Teague is out your way (just ask them who they would use) https://teaguecustommarine.com/
     
  19. LukeLucky

    LukeLucky Well-Known Member

    Have you tried using an M-Sport sticker? Those add HP too
     
  20. Venom51

    Venom51 John Deere Equipment Expert - Not really

    It the weave isn't damaged you are basically repairing resin. Give the cracks a little bevel sand down to the weave, fill them with a good clear resin and then sand flush and polish. I had to do a couple repairs to the GT4 seats where the rub on the roll cage when they are adjusted backwards to get out of the car.
     
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