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      09-28-2018, 05:18 AM   #11
AP
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Drives: G30 540i X Msport
Join Date: Apr 2011
Location: UK

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Yes , in fact all external windows.

It keeps the windscreen clean and means you can drive on motorways in the rain without your wipers on as the water just beads off. Increases visibility considerably even when it it raining heavily.

Trick to applying is put on and wipe over glass and the wipe off with a damp tissue and then dry with a dry tissue , repeat if necessary as it can fog. Once done it looks spotless.

Sure there are equivalents out there but have personally used this for years and thinks it's brilliant.