I have these on my '13X5M and no issues whatsoever. If I had a complaint, it's does seem that when they are parked wet overnight (evening car wash or rain) there is some squeal backing out of the garage - rust in the holes I suppose. But once I travel forward the noise is gone, also mine is a daily driver so there is little chance of rust build up. The hats are aluminum and do not rust.
I installed them with the pads specific for a '13X5M.
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