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September 1, 2012 Service bulletin

Mini: the timing chain tensioner developed an oil leak at mounting location, which was caused by the seal...

MINI technical service bulletin SIM-11-05-12 for 2010-2011 MINI Cooper S Convertible, 2010-2011 MINI Cooper S Clubman and 2011 MINI Cooper S Countryman.

Bulletin number
SIM-11-05-12
Component
Engine
Summary
Mini: the timing chain tensioner developed an oil leak at mounting location, which was caused by the seal ring material being too soft, resulting in tension lost during tightening sequence of timing chain tensioner. Model 2010-2011 r55, r56, r57, r60 (cooper s clubman, convertible, countryman and hardtop).

Owners of these vehicles have filed 19 complaints in the engine category.

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