I have Zimmermans on the front of my car. They have been excellent. However still if I had to do it again I'd get whatever the Mercedes Benz dealer sells, just for the peace of mind. Those little holes don't do much anyway.

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'02 BMW 325i
'85 300D 450k
'93 190E 2.6 170k(killed by tree)
'08 Ducati Hypermotard 1100S 6k
'06 Ducati S2R800 14k(sold)