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e46 330 turbo kit

  1. Turbo VS twin screw Supercharger E46 330i ZHP

    Forced Induction Forum
    Hi, I got two proposal to get the boost. One from ESS - twin screw supercharger and one from Technique Tuning for the turbo. Both systems looks fine on the graphs and tubo is about $900 more expensive. Now the ultimate question. What is better in general? Turbo or Twin screw supercharger...