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Thread: Anyone have numbers for FI e34 525 engines?

  1. #1
    Join Date
    Nov 2005
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    Ann Arbor, MI
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    58

    Default Anyone have numbers for FI e34 525 engines?

    I was thinking about doing an LS1 swap into my '92 525, but am kind of backing off due to the amount of hassle it would entail.

    I'm primarily concerned with acceleration, so was thinking of a supercharger instead of turbo. Does anyone have any hp/torque numbers that the 525 non-vanos is capable of?

    Bi-turbo would be best, but I don't plan on spending 10k+ on it so I've decided to just go supercharger instead...if I have to spend that kind of money I'll just go ahead with the LS1 swap (will cost around 8k-9k total).

    Any help/advice would be appreciated.

  2. #2
    Join Date
    Nov 2005
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    Ann Arbor, MI
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    Default

    Maybe someone can just link me to a supercharger manufacturer's site for the e34? I haven't found anything that's not specifically for the 540.

  3. #3
    Join Date
    Dec 2005
    Location
    DC Metro
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    Default

    Id ask Jon K... his 92 525 is SC'd

  4. #4
    Join Date
    Nov 2005
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    Ann Arbor, MI
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    Default

    Ha! Someone just mentioned him on another site and linked back to this forum. I'll try to get in touch with him, thanks!

  5. #5
    Join Date
    Nov 2005
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    Default

    Nevermind...ESS makes a supercharger kit for the e34 m50


    6400USD!
    Last edited by miliue; 12-09-2005 at 12:20 PM.

  6. #6
    Join Date
    Dec 2003
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    PA
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    Default

    Quote Originally Posted by miliue
    Nevermind...ESS makes a supercharger kit for the e34 m50


    6400USD!
    Thats not bad. I am sponsored by VF engineering. If you want, I can get you a discount on one of their '93 325 kits. But you'd need to do standalone ecu


    Also: There is a project I am part of that entails reverse engineering the Bosch 403 ecu, the 402 (non vanos) is another job, but baby steps are in the process. This project is on-going over at bf.c, which is down right now.

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