E85 safe for M4??
There is a station not far from me that sells E85. Is it safe to fill the car with? If so, should the entire tank be filled? Or 50/50 mix of E85 and 93? Is it safe to put E85 in on a consistent basis? The only engine mod I have is a JB4 stage 1. Sorry for the newb questions, just did not want to damage the car in any way.
Thx, Rich
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