The clutch slave cylinder pushrod had popped out and jammed. They inspected inside the housing with a camera and there was no evidence of any metal grinding. Clutch disk, pressure plate and throw out bearing all looked normal. They put everything back together and the car drove normally. They have ordered a new slave cylinder and will compare them side by side before installing the new one.
He mentioned that our slave cylinder has a plastic housing and may not have been able to handle the stronger pressure plate. I haven't heard of anyone else having this problem even with aftermarket clutches.
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1M track toy mods: BMS chargepipe, BMS OCC, ADE FMIC, ADE motor mounts, MadDad/Lightweight Ti exhaust, ADE custom oil thermostat/cooler, custom MHD tune, F10 550i clutch, Ohlins R+T, Vorschlag camber plates, M3 'vert FSB with Turner endlinks, Stoptech Trophy BBK.
Last edited by CarJunkie; 03-03-2017 at 09:56 PM..
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