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Luccia at Pelican Parts Luccia at Pelican Parts is offline
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Join Date: Feb 2015
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The timing chain guides guide the timing chain so there is little to no slack in the chain. I'm not sure if those numbers are normal. The R56's are known for the chains to stretch. Image below with the green arrow shows the crankshaft sprocket aligned with the oil pump sprocket. I'd highly recommend you take a look at our timing chain replacement tech article here: MINI Cooper R56 Turbocharged Engine Timing Chain Guides Replacement (2007-2011) | Pelican Parts DIY Maintenance Article. It has a lot of useful information and detailed images of the process. You can post a comment in the comments/suggestions section below the article and Nick will reply to let you know if that measurement of slack is okay. Also, did you use the updated 82mm tensioner when doing the chain replacement?

Old 10-27-2016, 12:45 PM
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