Thread: Calling HIRISC
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  #15  
Old 01-10-2013, 04:33 PM
alpine300zhp alpine300zhp is offline
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Quote:
Originally Posted by cmyX6go View Post
Juanted and KYZRSOSE drove it but they said they didn't feel anything. I'm assuming it's because Juanted was driving so fast the wheels weren't on the pavement.

I had an appointment to take it in the week Sandy hit. The dealer was out of commission for a while. Then snow was in the forecast so I changed over to my winter set up - 19s with Pirelli RFT. The vibration is gone. I'll deal with it when I switch over again. Thanks for the response.

The power is ridiculous. When I unleash that M button.... Damn! The acceleration is neck jerking.

I always drove the 50i in sport mode. I liked the way it held me back in slower traffic as soon as I eased off the pedal. Less need for the brakes or downshifting. The ///M shifts differently in sport, it's very jerky.

Denalio - Sorry, I never saw your post. How are you liking yours?
My new (700 miles) x5M has zero vibration at any speed. Also, it does not jerk in sport mode. I have the M drive set to sport, sport and dynamic. You need to get those tires checked out Laura. Mine has Bridgestone Dueler HP sports (if that makes any difference). I am running 38 psi cold on all 4 corners. I would start there. Lastly, summer run flats sometimes vibrate when it is cold outside (I see you are in the Northeast). Perhaps your air is low as I have run into people who have vibration problems on other BMW models when the air pressure is not dialed in correctly.
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