Mine was replaced last week under CPO. Waiting for them to do a couple other things on the car before I pick it up. Am I "concerned"? Heck no, just happy that they found the problem before my CPO expires in 2 months!

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'04 E53, 4.4 Sport
'97 E39 528i
'86 911 Carrera, track car
'96 BMW R1100R