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Just picked up another addition to the collection for a pretty good price. '90 745 4-cylinder auto. Every now and then the whole car vibrates pretty bad right around 10mph under acceleration. The car has less than 100k on it and runs and shifts real smooth other than that. Transmission problem or maybe a u-joint? Any Thoughts?
 

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Re: '90 745 auto tranny harsh vibration (2404life)

Could be motor/trans mounts and/or center support bearing/bush on the driveshaft.<p>George Dill<p>
 

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My 86 745 had a chassis vibration at ~ 30 mph (with or without load). A new transmission mount solved that problem immediately.
 
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