I had the same experience. The 635 was in aesthetically fine condition when I purchased it but that poor machine required the maintenance mindset that the painters of the Golden Gate Bridge must have. By the time you believe you've proactively addressed everything that could possibly have worn or become dried out, the first piece fails. The best thing that eventually happened was being broadsided, walking away from a near fatal accident and giving the car back to my mechanic for parts. ... View more