Quote:
Originally Posted by ///MPhatic
So without the ability to walnut blast, what do people do for the carbon buildup? If I install a catch-can at 30K would that save me to 120K? I'd hate to buy a car with 75K on the clock that already has an issue. Not sure when it shows up on these X5's.
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Honestly don’t know when they develop issues…but I’d def think if you put the catch cans on at 30k you’d be good to go until…the motor needs rebuilding. I got my N63TU (what the S63TU is based on) at 93k miles. Put the vent to atmosphere on at around 100k. I now have 125k and it’s still running great! Maybe the valves already have built up carbon on them, but…runs great, so I’m happy.