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Shane Ramos
12-30-2010, 08:00 PM
Hi BMW colleagues, I have recently bought a 2008 328i black on black and want to tint my windows. However I have heard of some problems with the radio reception due to the tint. What kind of tint should I get? Help please.

sfberg
01-01-2011, 10:49 AM
Radio reception with the antenna outside of the vehicle....I am not a communications specialist (yes I am) but Ill tell you thats a crock of BS. Just check the laws, only the back windows and the rear window can be dark!

Ilovemycar
01-02-2011, 03:18 PM
Hi BMW colleagues, I have recently bought a 2008 328i black on black and want to tint my windows. However I have heard of some problems with the radio reception due to the tint. What kind of tint should I get? Help please.

You should be fine with any kind of tint, except for the possibility of metallic tints. Metallic is more reflective in nature than more expensive ceramics for instance, and this would be one reason someone may prefer it. Film tint will be the cheapest and will also be perfectly fine like ceramic. Ceramic will get probably get you the highest solar rejection for the amount of visibility you keep. For instance, mine is 78% transparency (very high), but still rejects 99.9% UV.

Nutshell: Go with ceramic or film, and perhaps stay away from metallic.

Mech_Man
01-03-2011, 03:18 PM
Search for other threads on tips and tricks for tinting.
A couple of tips to search for: The 3-Series is especially hard to tint the rear window, due to the shape and the "dot-matrix" overlay, and the window-heating grid. These are elements that lie on the glass that will keep a tint film from forming a totally smooth surface. The tint will have areas that don't lie flat, and those areas will distort light. It yields a 'halo" effect at night, from car headlights etc. behind you. The quality of the installation will effect how bad that halo effect will turn out.

So by far the most important thing is to get a shop that has a lot of experience with the putting the kind of film you want, specifically on a 3-Series.
I found a shop that did all the local BMW dealership's work, as well as all the tinting for the city and county police cars. Great recommendations! And they did great work. I can notice some halo effect, but it's pretty slight.

Next is the type of film. There are three types: Going from cheap to expensive:
1) The cheapest kind is the kind that changes color in a year or so,
2) The metallic has good color blocking, some heat blockage, but possibly will cause interference with your AM, GPS, and cell phone signals. Especially as some cars have some of the antennas mounted INSIDE the cabin.
3) The nano-ceramic is quite a bit more expensive, but won't block electronics, and does the best job at IR (heat) blockage.

Since I got a blue car with black interior (my first black), and live in the southeast, I was very concerned about solar heating, and thus chose the ceramic for it's IR reflectivity. I owned my car for all of a July, then was able to get the tine added. The rest of that summer, and last summer, have all been astonishing how well the tint works. My interior gets, at most, warm. The steering wheel never gets more than warm. I can open the door, sit down, and firmly grab the wheel without any discomfort. It's really amazing, and well worth the extra cost.

Oldman M Coupe
01-03-2011, 04:41 PM
Radio reception with the antenna outside of the vehicle....I am not a communications specialist (yes I am) but Ill tell you thats a crock of BS. Just check the laws, only the back windows and the rear window can be dark!

The radio anttenna is in the rear window, tint will in fact hinder radio receiption. There is a SB about it.

ProMed12
01-08-2011, 08:22 AM
the radio anttenna is in the rear window, tint will in fact hinder radio receiption. There is a sb about it.

+1

allanak
01-08-2011, 03:49 PM
Yeah, I definitely lost a few dB when I tinted my windows on my E90. But I have an ipod and it's worth the tradeoff IMHO.

Mech_Man
01-08-2011, 04:52 PM
I was told that the signal degraded only by the metallic-film type of tint. That the cheap dyed-film tinting (that fades in time) and the expensive nano0ceramic-fiber type tints don't effect radio.
I got the nano-ceramic type, so as to not cause any signal loss for my radio, cell, and GPS, plus it also had much better IR tinting, a VAST benefit for us living in the sunny south.

What I would like to find, is info on how to tap into the (currently unused) antenna that is a built in GPS antenna, and the one for a cell phone that is connected via the iPod cable. As I don't have an iPod, I would think that some custom cabling would still get me use of these other antennas. ---- Has anyone heard of this?

Ilovemycar
01-10-2011, 11:11 AM
Yeah, I definitely lost a few dB when I tinted my windows on my E90. But I have an ipod and it's worth the tradeoff IMHO.

I didn't notice that, but that's probably because I don't listen to music very much while driving. Also, I am under the impression that ceramic tint doesn't have any ill effect.

What I did notice is that I've lost significant db's in terms of road/wind noise, most particularly because I also tinted the windshield. I didn't think about this possibility when getting it done, so it was a nice surprise.

BayAreaBimmer
01-11-2011, 10:03 PM
I don't see how it would affect the radio reception what-so-ever. I'm looking to tint my windows in a bit as well :)

Hu99
01-11-2011, 10:27 PM
Tinted windows are for playaz, so I say go for it, yo!

BayAreaBimmer
01-11-2011, 11:15 PM
Tinted windows are for playaz, so I say go for it, yo!

Agreed :)

ProMed12
01-12-2011, 09:50 AM
I was told that the signal degraded only by the metallic-film type of tint. That the cheap dyed-film tinting (that fades in time) and the expensive nano0ceramic-fiber type tints don't effect radio.
That is what I've read as well. I'm running the F1 Pinnacle myself.

Carnivora
04-08-2011, 04:49 PM
I have Huper 40 on my 335i and 3M Crystalline 70 on my X5 and am about to put V-Kool on my 330. If you talk to the Ceramic guys, they say metal is terrible. If you talk to metal guys, they say only AM radio. I'm interested to find out myself.

Mech_Man
04-10-2011, 06:20 PM
Ask them also, if you would, about hand-held GPS and cell phone signal degradation when using metallic. I always wanted to know.

PlzDuntBanMe
04-10-2011, 08:06 PM
I have tinted every car I've driven. There is no problem with the reception, whoever telling you that is wrong.