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  1. #1
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    Tuscumbia, AL, United States
    Member No: 45302 Van is an unknown quantity at this point Van's Avatar
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    Aug 2002
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    M42 Supercharger for 318is?

    Just wondering if anyone has ANY experience with a roots type or centrifical supercharger (or turbo for that matter) with the 91-92 318is (e30 platform) with the M42 DOHC 1.8 motors?

    I know they lack the knock sensor and I haven't delved into the topic enough to find the location of the knock sensor on the 93 and up M42's (e36 platform) to even think about swapping this item on....

    I know with a factory 10.8 to 1 (I think) compression ratio this is KEY to putting a roots type blower on an early M42....

    I've been out of the scene for a few years playing with Turbo 80's Dodges (don't snicker, www.thedodgegarage.com) due to finances, but I'm back in pay dirt and wanting Kraut engineering.... That and I miss RWD....

    Just wanting ANY info I can get on forced induction systems for these motors.... I'm not looking to set the world on fire, I just want a "poor mans" M3 (e30) via 318is with some ooomph!

    Thanks in advance everyone!


  2. #2
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    Member No: asd's Avatar

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    Re: M42 Supercharger for 318is?


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