Hi all, does anyone knws wt's this squeeky sound producing from my car? Hope its not an IMS failure  advice needed !! thanx all 
Part 1 (start up)  
98 boxster start up squeeky sound - YouTube
Part 2 (after start up for few mins) 
98 boxster after start up squeeky sound part 2 - YouTube
Part 3 (random metal scratching noise from rear) 
Metal squeeky sound coming from rear randomly - YouTube
Hope anyone here could kindly help and benefit owners who have the same problem as me !! thanx so much