I was surprised, but then I figured they had to design a huge tank because when ever I use my washer fluid with the lights on, the high pressure headlight washers kick in and take two seperate sprays. So you figure two sprays for 2 headlights plus the windshield. The factory gallon lasted me 3 months, ~3200 miles.
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-Dmitriy
06' BMW 330i & 03' Suzuki GSX-R600
SG | Beige Dakota | Poplar || iDrive w/MP3 | PP | SP | CWP | PDC | Comfort | Shades || 40% Tint | Black Line Tail Lights | Hardwired V1
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