Originally Posted by
westaussie323i
Just thought I would share something about my ongoing vibration issues with my 750il. After spending a large some of money I was still having not happy with the ride so I eventually got it back to the mechanic who fitted all the new parts and after taking it for a drive was adamant that it was a balance issue. Secondhand 18's mid range 245/45 tyres, correct wheel alignment specs and wheels balanced twice.
First thing he pointed out after spinning it up on the dynamic balancer was the red dot was not aligned with the valve so he remounted the tyre then eventually got both wheels balanced perfectly although he wasn't happy with the amount of weight required. It virtually eliminated the problem and I guess it demonstrates that someone who knows exactly what they are doing makes a huge difference as opposed to the workshop grunt who throws the tyres on then sends it out. I still may have some shock absorber issues and I seriously dislike the car with the 18's and the 245/45 tyres on the rough roads that I spend a lot of time on so will switch back to the 16's and perhaps some Kumho tyres in a 235/60/16.
You guys might already know about this stuff
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