Serious power! When I look to tune mine I will certainly consider ESS.
BTW Biglare - Did you sell your M3 to a guy in Dallas? I was at BMW of Dallas last week and saw a heavily modified white e90 M3 with (after a brief glance) HREs, tons of CF and a green brembo kit. Looked great! Looked to have some sort of aftermarket front bumper with (IMO) distasteful green accents around the brake ducts.
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