how to replace the driveshaft flex joint on 2002 BMW 530i

when taking off and making the axle turn u can hear a knock noise 4rm 10-20mps then it goes away until u slow down to a stop were the knock noise returns. the noise it located in the center of the car between tha transmission and driveshaft

by in Lubbock, TX on June 20, 2011
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1 answer
ANSWER by , June 20, 2011
replacing a flex joint requires having an above-ground lift, as you must remove the complete exhaust system to access and drop the driveshaft. is is unsafe to attempt this job "on the ground."