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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Noob’s questions after switching to winter setup



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      12-11-2007, 01:35 AM   #1
dim
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Noob’s questions after switching to winter setup

First of all, I am very happy with my Tirerack purchase. I got Dunlops Winter Sport M3 on 17” ASA JH3. Today, I finally got around to putting them on.

1.My one-year old car has rust in each wheel area. Is that normal (rust in the center)?

2.The nuts on the rear wheels were really hard to get off. When I was unscrewing the nuts, they seemed to be tightened much harder than I expected. I don’t recall applying as much force to put the nuts back with my torque wrench.

3.Today, I could not find my torque wrench and thus tightened the nuts pretty hard. Will this be a problem? Is it bad to overtighten? I hope to find the wrench in the next couple of weeks.

4.I have a faint ticking/scraping noise from right rear wheel area. It only happens are certain speeds. Yet, when I mounted the tires, the wheels span freely.
Any suggestions?

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      12-11-2007, 01:38 AM   #2
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i believe the scraping sound is because your rotors are going bad... i think. haha i'm no expert at brakes either, but i had hte same problem w/ my integra back in the day, and it was due to the rotor going bad.
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      12-11-2007, 02:23 AM   #3
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the rust is normal

do NOT overtighten the lugbolts, you can warp the rotors if you were to do it too tight and/or unevenly.
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      12-11-2007, 10:21 AM   #4
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Quote:
Originally Posted by dim View Post
First of all, I am very happy with my Tirerack purchase. I got Dunlops Winter Sport M3 on 17” ASA JH3. Today, I finally got around to putting them on.

1.My one-year old car has rust in each wheel area. Is that normal (rust in the center)?
Well, unfortunately it's normal, even if rather unfavourable. Check out this ***No More Rusty hubs DIY***

Quote:
2.The nuts on the rear wheels were really hard to get off. When I was unscrewing the nuts, they seemed to be tightened much harder than I expected. I don’t recall applying as much force to put the nuts back with my torque wrench.
Too much force is not good. Use your torque wrench. Also - my own experience - last year I changed from my winter tires really late in the spring, unexpectedly high outside temperatures. I had a really hard time to loosen the bolts on them. Possibly because of the aluminium dilatability - bolts were tightened in winter (close to zero celsius) and loosened around 20. Maybe a point to pay attention, too.

Quote:
3.Today, I could not find my torque wrench and thus tightened the nuts pretty hard. Will this be a problem? Is it bad to overtighten? I hope to find the wrench in the next couple of weeks.
See my replies to points 1. and 2.
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