Hi can anyone help me out, ive had my jetta remapped to 190 bhp the car is great and is really quick and responsive but my turbo whistles like a police siren lol been told turbo is on way out but ive heard a few other diesels with same noise can anybody help me please and also ive been told these cars are just like golfs witb a boot lol so would golf coil overs amd stuff fit my car? Thanks for help 
