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      11-23-2011, 04:18 PM   #8
1speedbike
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Drives: 2022 X4 M40i, 2008 135i
Join Date: Jun 2008
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Quote:
Originally Posted by i128 View Post
what's that?
A 60% / 40% mix of methanol and distilled water. It's basically what most windshield washer fluids are anyway. The methanol mixture, though, is primarily for performance.

http://en.wikipedia.org/wiki/Water_injection_(engines)

Personally, I tend to almost never use the sprays.
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2022 X4 M40i - 2008 135i - 2015 F700GS
On Order - 2024 i4 M50

Scruffy's gonna die the way he lived... Mmhm.


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