Factory Window tint %

Vacek · 08-26-2009, 11:48 AM

All,

I finally bit the bullet and removed my driver and passenger door window tint.

I ran up to the local police station and had them put the "Tint Meter" on my window, after the tint was removed.

Factory tint on my 08 E92 328xi is 27% (blocks out 27% of the light)... we are legally allowed 30% here so I guess I cant put anything on at this point.

Just an FYI in case you have different laws in different provinces.

If you were to put a 30% tint on top for example, you would end up with 57% tint ( or 57% of the light being blocked out)

Cheers,
K

DerekMD07 · 08-26-2009, 12:29 PM

hmm..interesting. When we quote 20%, we refer to allowing 20% of light through. Having spoken to BMW service in London, 90% of people get 20% tint and they never get any hassel from the cops.

Astroboy · 08-26-2009, 01:24 PM

Quote:

Originally Posted by DerekMD07

hmm..interesting. When we quote 20%, we refer to allowing 20% of light through.

This

Vacek · 08-26-2009, 01:49 PM

Yeah, there are 2 schools on this.

Reverse my numbers and you have what you are referring too. with 27% tint , you are letting 73% of the light through. (therefore placing tint with approx. 50% blocking capacity over the 27% factory blocking capacity = 80% light blocked, OR 20% of the light in.)

Cops here reference it as "30% of the light is allowed to be blocked out" .... 70% of the light being allowed in.

All kinda confusing for a grade 9 math flunkee this would be

Balzz · 08-26-2009, 01:51 PM

To complicate matters, wouldn't 30% tint over 27% be 30% of the remaining 73%?

Vacek · 08-26-2009, 01:54 PM

LMAO .... e=mc2

pdude · 08-26-2009, 02:29 PM

bingo...

Quote:

Originally Posted by Balzz

To complicate matters, wouldn't 30% tint over 27% be 30% of the remaining 73%?

Bimmerista · 08-26-2009, 02:53 PM

No.

Its 30% blocked as compared to a baseline un protected glass pane which allows 100% (for discussion purposes) of light. The films are pre-set at factory and the installer simply orders the tint film with the desired % of blockage.

So that would be 30% blocked on top of the 27% done at the factory.

Lotus99 · 09-15-2009, 03:30 PM

Quote:

Originally Posted by Kosaic

All,

Factory tint on my 08 E92 328xi is 27% (blocks out 27% of the light)... we are legally allowed 30% here so I guess I cant put anything on at this point.

K

You're incorrect. The % referred to when looking at tints is the amount of light the film lets THROUGH, not blocks. That's why 20% tint looks darker than 35%, because it only lets thru 20% of the light. It's called "% Visible Light Transmission".

Look at Llumar's product guide even: http://www.llumar.com/pdf/en/LLumarAutoSpecsUS.pdf

08-26-2009, 11:48 AM	#1
Vacek Captain 60 Rep 801 Posts Drives: 09 X3 Join Date: Apr 2008 Location: Somewhere iTrader: (8)	Factory Window tint % All, I finally bit the bullet and removed my driver and passenger door window tint. I ran up to the local police station and had them put the "Tint Meter" on my window, after the tint was removed. Factory tint on my 08 E92 328xi is 27% (blocks out 27% of the light)... we are legally allowed 30% here so I guess I cant put anything on at this point. Just an FYI in case you have different laws in different provinces. If you were to put a 30% tint on top for example, you would end up with 57% tint ( or 57% of the light being blocked out) Cheers, K
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08-26-2009, 12:29 PM	#2
DerekMD07 Second Lieutenant 19 Rep 203 Posts Drives: 2018 991.2 C4S; 2019 LR Disco Join Date: Oct 2008 Location: London, Ontario iTrader: (1)	hmm..interesting. When we quote 20%, we refer to allowing 20% of light through. Having spoken to BMW service in London, 90% of people get 20% tint and they never get any hassel from the cops. __________________ 2008 E90 M3 (sold); 2008 Porsche boxster S (sold) 2009 E90 335xi (sold); 2011 Audi s4 (sold) 2011 c63 amg (sold); 2012 Porsche cayman (sold) 2014 335xi M performance
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08-26-2009, 01:49 PM	#4
Vacek Captain 60 Rep 801 Posts Drives: 09 X3 Join Date: Apr 2008 Location: Somewhere iTrader: (8)	Yeah, there are 2 schools on this. Reverse my numbers and you have what you are referring too. with 27% tint , you are letting 73% of the light through. (therefore placing tint with approx. 50% blocking capacity over the 27% factory blocking capacity = 80% light blocked, OR 20% of the light in.) Cops here reference it as "30% of the light is allowed to be blocked out" .... 70% of the light being allowed in. All kinda confusing for a grade 9 math flunkee this would be
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08-26-2009, 01:51 PM	#5
Balzz Captain 97 Rep 958 Posts Drives: F97 X3M Join Date: Mar 2009 Location: Toronto iTrader: (1) Garage List 2019 M4 [0.00] 2021 X3M [0.00]	To complicate matters, wouldn't 30% tint over 27% be 30% of the remaining 73%?
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08-26-2009, 01:54 PM	#6
Vacek Captain 60 Rep 801 Posts Drives: 09 X3 Join Date: Apr 2008 Location: Somewhere iTrader: (8)	LMAO .... e=mc2
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08-26-2009, 02:53 PM	#8
Bimmerista Major General 88 Rep 5,732 Posts Drives: superstock Join Date: Aug 2005 Location: Montreal, Quebec, Canada iTrader: (0)	No. Its 30% blocked as compared to a baseline un protected glass pane which allows 100% (for discussion purposes) of light. The films are pre-set at factory and the installer simply orders the tint film with the desired % of blockage. So that would be 30% blocked on top of the 27% done at the factory. __________________ __________________________ 2016 435 xdrive GC white on black leather interior, Msport1, Msport2, premium package 2015 Lincoln MKX, silver on brown leather, premium package - that's right! Techno-Groovy baby
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