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1998 BMW 740iL Question: 1998 BMW 740iL - Adding a Turbo Charger to "Marilyn"



WAH Tech, Los Angeles, CA, March 26, 2009, 02:36

Specs indicate this machine will top out at 125. Anyway to easily and inexpensively add Water Cooled Turbo Charger to this machine.

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  • Answer #1

    March 26, 2009, 13:49

    I think your compression ratio is too high to add additional boost without changing your pistons, Usually turbo charged engines come with special low compression pistons made to withstand the high compression that will result with the turbo charger.

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