Thread: X1 Gas Mileage
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      05-29-2013, 03:08 PM   #27
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Drives: 2015 Alpina B6; 430i; X5 40e
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Location: Orange County, CA

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Quote:
Originally Posted by soapman72 View Post
I just installed the BMS Stage 1 and it does seem to have hurt mileage a little, even though they say it doesnt. But in the most recent tank, I averaged 29.5 with mixed (miostly highway) driving.
BMS tune shouldn't affect mileage under normal driving but will of course affect it when utilizing the extra power (which is too tempting not to use).
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