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      02-18-2007, 12:22 AM   #1
just0307
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M3 brake disc sound

I bought my 06 M3 about 5 weeks ago. I was going to buy the 335...but personally didnt like the interior no stones~~

yesterday while driving, i heard some weird sound from my rear right tire. It sounded like there was a little stone stuck in the brake disc, but im not 100% sure. I had that b4 like almost 2 weeks ago. And i checked the tire, i saw nothing stuck in there, so i kept driving. At about 50 mph, i can heard something sounds like a little rock or soemthing dropped off from my tire, and the sound went away with that too.
Did any1 experience that b4? Should I ask my dealer to check what's going on cuz it happened twice in 3 weeks!

Another question for Californians~is it legal to turn on fog light even if there's no fog??

Please ignore my grammar mistakes

Second post, still trying to c how to post my pictures
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      02-18-2007, 12:31 AM   #2
Chesmu
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1. likely some road debris...asphalt or something
2. yes...no fog = no lights
3. go post in the ///M forum...you ///M driving beehatch!

JK....welcome aboard.
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      02-18-2007, 12:43 AM   #3
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way to go, come into a e90 forum, flame it, then ask for help. Try the multiple M3 forums that have "stones"
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      02-18-2007, 12:47 AM   #4
just0307
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sorry for posting in the wrong place, but i did the "stone" or "rock" search b4 i posted it here. Can i move the thread myself??

Just to make sure about the fog light~i c ppl driving around with fog lights on, thats y im confused if its legal or not in California
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      02-18-2007, 12:57 AM   #5
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Added a few pics...taken by cellphone

Happy Chinese New Year btw
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      02-18-2007, 09:19 AM   #6
Smoltz
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Quote:
Originally Posted by just0307 View Post
I bought my 06 M3 about 5 weeks ago. I was going to buy the 335...but personally didnt like the interior no stones~~

yesterday while driving, i heard some weird sound from my rear right tire. It sounded like there was a little stone stuck in the brake disc, but im not 100% sure. I had that b4 like almost 2 weeks ago. And i checked the tire, i saw nothing stuck in there, so i kept driving. At about 50 mph, i can heard something sounds like a little rock or soemthing dropped off from my tire, and the sound went away with that too.
Did any1 experience that b4? Should I ask my dealer to check what's going on cuz it happened twice in 3 weeks!

Another question for Californians~is it legal to turn on fog light even if there's no fog??

Please ignore my grammar mistakes

Second post, still trying to c how to post my pictures
Welcome to the forums. Congrats on the new car. The sound you were hearing is from a pebble being stuck between the rotor and the dust shield. If you try and pull back on the dust shield a little, it should fall out. As for using fogs when there is no fog. I doubt it is illegal, but it is inconsiderate, as fog lights tend to be quite glary for traffic in the opposite direction. Furthermore, leaving them on doesn't make your car look any better.


-Adam
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      02-18-2007, 02:14 PM   #7
just0307
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Quote:
Originally Posted by Smoltz View Post
Welcome to the forums. Congrats on the new car. The sound you were hearing is from a pebble being stuck between the rotor and the dust shield. If you try and pull back on the dust shield a little, it should fall out. As for using fogs when there is no fog. I doubt it is illegal, but it is inconsiderate, as fog lights tend to be quite glary for traffic in the opposite direction. Furthermore, leaving them on doesn't make your car look any better.


-Adam
Thanks

For the dust shield part, is it the big thing on the disc? How do i pull it back a little??
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      02-20-2007, 02:54 AM   #8
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I have a year old M3 and have suffered with periodical noise from the rear disk that like you say 'sounds' like a stone; my dealer informs me that this is quiet common (LOL) and that it is due to brake dust deposit/small stones becoming lodged behind the disc shield....i do seem to get it more on long runs or the hot weather (ie the short summer in the UK or my annual trip to the Le Man 24 in France). it does clear itself relatively quickly tho..

i hope that you enjoy your M3 as much as i have enjoyed mine for the last year...

great colour mate, i wanted the grey but did such a good deal on pre-speced car that i got a CS version in blue.
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      02-22-2007, 05:26 PM   #9
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As far as the fog lights go, I got pulled over in California once for having my fog lights on. I did not get a ticket, though the experience pissed me off enough that I researched the CA laws on the subject. I see dozens of cars every day with them on! The fog lights in the M3 are 55 watt driving lights for street use and are perfectly legal. Anything over 55 watts are considered for off road use (like those found on overhead light bars on pickup trucks).
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      02-22-2007, 07:31 PM   #10
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you car looks so sweet!
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