480 horsepower.....AT THE WHEELS? Four Hundred and EIGHTY???And you want more form a 3 Liter engine?
IF your wheel hp dyno is accurate then you have seriously reached the point of diminishing returns with the stock turbocharger. You can spend another $1500 in non-turbo mods and I bet you MIGHT get 12 extra hp...…..or a blown engine......
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Mike
No more BMWs
A truck and a couple motorcycles
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