Seems to start a little quicker, still sounds like a quiet diesel at idle. I've read claims of better gas mileage but I'd never know because I'm always on the fun pedal. I gutted my cats at the same time, then a BMW tech buddy and I reinstalled everything in about 8hrs.
You can see the fuel puddle on the RH cat, which also cleaned all the carbon off the RH turbo as well.
Last edited by m5james; 01-22-2016 at 05:23 PM..
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