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      12-02-2020, 07:32 PM   #68
13M5F10
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Drives: 2013 BMW M5 | MSR Stage 3
Join Date: Jun 2015
Location: Las Colinas, TX

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Quote:
Originally Posted by jlin101 View Post
Quote:
Originally Posted by 13M5F10 View Post
I ran roughly 3.5-4 gallons in my tuned M5 and did it a few times in the 7. It did respond fairly well. I was told you have to do it in stages. Start with 1-2 gallons and increase to 3.5-4. Let the car adapt to the changes.
Mo from DME Tuning suggested adding 1-2 gal of E85 to each full tank of gas, is that just to increase the octane count?
Yeah! E85 has an octane rating of 108 octane so adding that with 93 will bump it up theoretically assuming you're getting quality gas.
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*** SOLD *** 2013 BMW M5 | Space Grey | MSR Stage 3 Tune | Catless Downpipes | MSR Intake and Charge Pipes | MSR Exhaust (Prototype) | Vorsteiner Rear Diffuser | RW Carbon Front Lip | RW Carbon Trunk Spoiler| Vorsteiner VS-310 Forged Wheels | Escort 9500CI w/Laser Jammers
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