Not that I know anything but the very loud squealing brakes seem to be similar to my experience when changing to mintex pads on my 4/4. I wonder what the dealers or factory have really tried. My experience with dealers was not a lot. Just refit & copper slip.
So I got the spanner’s out. & cleaned the discs.
1) new retaining pins
2) chamfer the edges of the pads
3) use anti squeal shims
4) use proper brake grease ( not copper slip) on all contacting parts. ( even on the contact points on the shims.
5) Several goes bedding in the pads as per Mintex guidance ( 0 to 30 brake then 30 to 60, 60. To 90)
6) Drive the car for a while letting for want of a better explanation a film from the pads to build up on the discs.
Now no squeal
