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Thread: Wastegate Replacement, e23-745…

  1. #1
    Join Date
    Dec 2004
    Location
    Baja Sur MX & Healdsburg
    Posts
    80
    My Cars
    Coupes

    Wastegate Replacement, e23-745…

    On the hunt for a replacement Wastegate assembly, it appears Miller & TCD both have been NLA for several years.
    What are the current manual boost WG options available with matching manifold/downpipes flanges, if any?

    The TiAL company manufactures a couple models that may work with some modification however the downpipe flange is incompatible out of the box. Is there anyone that has come up with flange adapters?

    Any advice is much appreciated, Thanks.
    Last edited by dlvad; 03-04-2024 at 05:03 PM.
    DV
    ////// Motorsports & Vintage Coupes
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  2. #2
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,492
    My Cars
    1983/84/85 745i
    I offer a TCD style one and one that uses the stock base. Stock base has an F38 top end on it, uses OE valve.
    I make E23 parts.
    09/1983 745i (stolen spring '13 around Houston, TX Achatgruen on nutria buffalo. 8481080)
    10/1984 745i
    11/1984 745i
    11/1984 735i (10:1-265/6)
    Ford, MB, and GM round out the pack.



  3. #3
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,492
    My Cars
    1983/84/85 745i
    Good used Miller just popped up on ebay. They use Precision Turbo wastegate springs as I recall.

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