My car has single piston Lucas brake calipers at the front - and I had to change the pads on it.

There were about a total of 8 shims on the pads - how many do I need anyway - as the new pads would not fit with all of them, I used 1 shim per pad - so squeal or sound etc

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)