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pokeybritches · 06-16-2015, 11:24 AM

40 hp for a tune on a naturally aspirated engine is dreaming. With headers and a full exhaust, maybe 20-30 hp. You need significant hardware mods to make 40 hp.

Do before and after dynos.

06-16-2015, 11:24 AM	#4
pokeybritches Colonel 479 Rep 2,782 Posts Drives: ESS/G-Power Z4M, VF Z4, 996tt Join Date: Sep 2009 Location: Los Angeles iTrader: (12) Garage List 2006 BMW Z4M [10.00] 2006 BMW Z4M [8.50] 2003 BMW Z4 3.0i [9.00]	40 hp for a tune on a naturally aspirated engine is dreaming. With headers and a full exhaust, maybe 20-30 hp. You need significant hardware mods to make 40 hp. Do before and after dynos. __________________ VF Engineering Z4 3.0i, ESS Z4M, G-Power Z4M, 996 Turbo
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