You actually want the tune that improves gas mileage?
Congrats and thanks for the review! Evolve makes quality products and their tuning is top notch. My buddy Randy has an E60 M5 and he has been beyond satisfied. Glad to hear that you have had the same experience!
ESS VT2-625 w/ DCT Software | Stack Gauges | 19" BBS FI | Dinan Stg 2 Suspension, CF Strut Braces, & Pedals | Fire Orange Brembo GT 380 F&R | Akrapovic Evolution | Vorsteiner GTS-V lip, CF Type II Diffuser, & White Piped Floormats | Platte Forme CF Side Skirt Extensions | BMW Performance CF Spoiler, CF Mirror Covers w/ M5 paint scheme, & Performance Steering Wheel w/ Custom White Stripe