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The Detail Department
Detailing tips, tricks to keep your bimmer in showroom condition.

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Old 08-13-2016, 07:50 AM
CasperMartin CasperMartin is offline
Registered User
Location: The Netherlands
Join Date: Aug 2016
Posts: 8
Mein Auto: BMW 320i 2012
Hos to properly clean windshields

Hi I am new to the forum and there has to be a thread about this but I wasn't able to find it so i made my own .

I just moved to a new area with hard water (lots of calcium in the water) and now I cannot get my car windows clean like I used to. I have tried everything, even an homemade cure (50% Rubbing Alcohol + 50% water and some vinegar) but I just cannot get them stripeless. I also read on the internet that normal windex (ammonia based cleaning products) are of course bad for the leather, rubbers, etc.

So now my question was wat products (and equipment) do you use to clean your windows and do you have any special kind of approach (circular movements etc).

Would love to hear your suggestions!
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Old 08-13-2016, 08:42 AM
Doug Huffman's Avatar
Doug Huffman Doug Huffman is offline
Nuclear engineer
Location: Washington Island, Wisconsin, thru Death's Door
Join Date: Apr 2015
Posts: 2,513
Mein Auto: 2012 X5 35d (E70)
Exterior - Invisible Glass® with a new microfiber cloth, followed by AquaPel®. I use windshield washer frequently, as soon as I notice a bug or haze. ATM WW solution is cheap vodka, 500 ml white vinegar ascetic acid and distilled water.

Interior- Invisible Glass® with a new microfiber cloth. I keep new MF cloths in a door pocket for emergent wiping.

My water is very hard, drawn from a deep well in limestone karst. If I notice water spots on the windows or paint then I rinse with distilled water, about 1/3 USGallon per car wash.
Post hoc ergo propter hoc is a weak logic akin to arguing from ignorance, "I don't know, but ..." Better to be silent and thought a fool than to babble and remove all doubt.

Last edited by Doug Huffman; 08-13-2016 at 08:45 AM.
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Old 08-14-2016, 06:55 AM
640ijims 640ijims is offline
Officially Welcomed to the 'Fest
Location: Florida Gulf Coast
Join Date: Sep 2015
Posts: 182
Mein Auto: 640i 2014
For exterior glass; primarily windshield; use "No Touch Auto Glass Stripper" by permatex. Best product I have found for removing anything on windshield every few months
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