BMW M3 Forum (E90 E92) - View Single Post - DIY: Replace Fuel Tank Breather Valve (Fix for bouncing idle at fuel station)

R3dliner · 03-14-2018, 02:00 PM

I don't know if this is true or not but its happened to me once and I tested the fuel. Came out that it had 18% ethanol in there. Never happened again at a different station.

03-14-2018, 02:00 PM	#37
R3dliner Lieutenant Colonel 937 Rep 1,930 Posts Drives: 18 M3 6MT Join Date: Mar 2016 Location: NYC iTrader: (5)	I don't know if this is true or not but its happened to me once and I tested the fuel. Came out that it had 18% ethanol in there. Never happened again at a different station.
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