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mini one r56 n12 timing non start issues

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KG2019 View Drop Down
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Joined: 15 Jan 2019
Location: Stockton on Tee
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    Posted: 31 Jan 2019 at 6:53pm
Comments: Hi 
Changed timing chain and broken inlet valve on 2007 mini one R56 N12 valvetronic engine. Had 0 compression in cylinder 1, 140psi in cylinders 2,3 and 4 before I started fix. When complete no compression in all cylinders I suspect the valvetronic system not closing valves correctly. I have 2.75dcv at the actuator motor 0.3 ohms between terminals and 0 ohms between terminal and actuator body. If I operate the motor manually I can get approx 55psi at each cylinder.


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