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Taking Offers - 1990 BMW Factory DTM Inconel Headers, a Super Alloy!

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  • Taking Offers - 1990 BMW Factory DTM Inconel Headers, a Super Alloy!





    BMW Factory 1990 DTM 4 into 1 Inconel headers, a piece of BMW motor sport history. Marked 137/54 90, would have been off a 2.7L factory race engine that was raced in 1990. Headers had heat wrap on them, that left some marks on the headers. Asking $3000 obo...

    Thanks,
    Shane

  • #2
    You should drop them off somewhere and have someone blast them nice and clean real quick.
    1988 E30 M3 S38
    1970 E10 2002 S14

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    • #3
      Here's what they could potentially look like:
      Good luck with the sale....nice headers!
       photo CeramicDTMHeader.jpg
      Pat

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      • #4
        Pat,
        If mine looked like that, they wouldn't be for sale! What process was used to get them that shiny? Any numbers on your piece?

        Thanks,
        Shane

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        • #5
          Looks like ceramic coating

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          • #6
            Yes, they are ceramic coated in silver on the outside (similar to JetHot Coating) and the inside is also ceramic coated in a copper color. This keeps the engine bay much cooler and the exhaust gasses flowing faster (not that DTM headers need any more flow =)). I recommend doing this to any header.

            Here's a shot on the inside coating. Bump for a very rare header. Also I didn't pay much attention to any numbers on the flanges. It's on the car now, so I'm not able to see anymore.

             photo CeramicDTM_Inside.jpg
            Pat

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            • #7
              Originally posted by m3pat2 View Post
              Yes, they are ceramic coated in silver on the outside (similar to JetHot Coating) and the inside is also ceramic coated in a copper color. This keeps the engine bay much cooler and the exhaust gasses flowing faster (not that DTM headers need any more flow =)). I recommend doing this to any header.

              Here's a shot on the inside coating. Bump for a very rare header. Also I didn't pay much attention to any numbers on the flanges. It's on the car now, so I'm not able to see anymore.

               photo CeramicDTM_Inside.jpg
              Pat, where did you get that work done?

              Free bump for the DTM headers.
              "Just road, seat, ASS; THE END!" - Jeremy Clarkson
              "If you had a choice between a million dollars and world peace, what would you get for your E30 M3?" - ItsNotTheNissan
              onfirelabs.com twitter.com/suga_shane

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              • #8
                Embee:

                Looks like their site is down for maintenance for now.

                http://www.embeeperformance.com/

                My headers looked like the original poster's pics when I bought them. Embee does a great job cleaning and coating them.

                I still can't believe how light inconel headers are compared to the stock S14 headers. I recall it was at least a 50% weight reduction if not more.
                Last edited by m3pat2; 05-03-2013, 09:36 AM.
                Pat

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                • #9
                  Originally posted by m3pat2 View Post
                  Embee:

                  My headers looked like the original poster's pics when I bought them. Embee does a great job cleaning and coating them.
                  Pat,

                  How does the chrome look after running the car?

                  Mike K.

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                  • #10
                    Mike, first of all I didn't coat the header for looks as a primary reason, but more for reducting radiating heat, secondly it was for preserving the inconel metal.

                    The silver coating will age to a greyish aluminum color. Darker than the coolant pipe in the picture. Chrome would probably last longer and look better for a show car.

                    Here's the current look of the coating after being on the car for 3 yrs. and around 9,000 miles.
                     photo AgedCeramicHeaderCoating3yrs.jpg
                    Pat

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                    • #11
                      Hi Shane! glad you were able to ID those!

                      Marshall
                      88 M3 Henna
                      95 M3 Orange
                      97 M3 Techno

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