Passenger electric backrest inop

[MR BLACK]

Hi Just tried to move the passenger back rest forward the motor turns but the back rest does not move anyone know how its attached to the back rest mech

thanks in advance

 

[TO//M]

http://www.realoem.com/bmw/showparts.do?model=BT53&mospid=47799&btnr=52_2974&hg=52&fg=10

 

[MR BLACK]

Thanks for that