Quote:
Originally Posted by ArmnStig
Currently running a stage 2 tune with a catless down pipe. The car is definitely more lively but I was looking at other modifications and came across a turbo upgrade. I wanted to know everyone's thoughts on a pure turbo upgrade on the z4. Specifically the B48, but any opinion on the B58 is welcome. Thanks!
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Best bet would be check the supramkv forums. Plenty of people have done it there on the B58 at least. When it comes to tuning options with the B58 I go straight to the Supra forums...not nearly as many Z4 tuners here.