bad vibration right passenger side of car on hard acceleration

[sofast]

hey guys i have a 92 e36 325is this is strictly a drift car. It has a welded diff in the rear and if i accelerate hard in first and second there is a very bad vibration on the passenger side rear of the car. Once im cruising it is fine and there is nothing wrong. Im kinda lost if you guys have any ideas please let me no thank you

[Zodiacbw]

Check your center support bearing and guibo. If those are fine, you may have a bad cv axle.