Quote:
Originally Posted by alpine300zhp
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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I'm pretty good about checking my tire pressure. I have my winter set up on, 19" square set up (255s) Pireli RFTs. I usually run 34psi all around. I will bring it in to check the vibration when I put the summer wheels back on.
I do have a service appointment to check out my parking brake. I don't think it's holding correctly. I've been parking on a sloped driveway. With my foot on the brake, I engage the parking brake, take my foot off the brake pedal and shift into park. All is well until I shut off the engine. Then I jerk back. Me no like...I feel like I'm going to go through the garage door. I'll ask them to check out the shifting too. I'm using the same settings.
I can't wait until the weather warms up, I miss those monster tires.