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      12-03-2020, 08:26 AM   #72
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
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.
the only 93 octane gas near me (Cenex brand) contains 10% ethanol, is that acceptable for 93-tunes?
Yeah you'll be fine. It's taken into consideration.
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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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