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      06-15-2019, 05:59 PM   #9
GuidoK's Avatar

Drives: Z4 3.0i ESS TS2+
Join Date: Jul 2012
Location: Tinkering in the garage

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Originally Posted by ScottSinger View Post
Is there a way to confirm it’s coolant like with an acid/base test strip or an hydrometer ?

Maybe they used the concentrated washer fluid at the wrong concentration.
You can use a glycol test kit. They are used to determine gasket leaks in large systems (industrial systems). T

A hydrometer or refractometer could spot a difference with a known washer fluid but it can't determine the chemical contaminant.

But the complaint was smearing which is a known effect of glycol. No concentration of washer fluid is going to cause that.
Flush the system and its solved. 2 min work and $1 worth of washer fluid. For that no one's going to mess around with laboratory tests.
Z4 3.0i | ESS TS2+ | Quaife ATB LSD | Brembo/BMW performance BBK front/rear | Schrick FI cams | Schmiedmann headers+cats | Powerflex/strongflex PU bushings | Vibra-technics engine mounts | H&R anti rollbars | KW V3 coilovers | Sachs performance clutch