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January 1, 2013 Service bulletin

Retrofit of the Engine Coolant Temperature Sensor

MINI technical service bulletin M170712 for 2011-2014 MINI Cooper, 2007-2014 MINI Cooper S and 2009-2012 MINI Cooper S Convertible and others.

Bulletin number
M170712
Component
Engine and engine cooling
Summary
Service Action: Retrofit of the Engine Coolant Temperature Sensor. Internal corrosion could form in the engine coolant temperature sensor. This corrosion leads to internal bridging of the contacts, which can cause an inaccurate engine temperature reading. This false reading could lead to difficulty in the engine starting and/or a "Service Engine Soon" lamp being illuminated.

Owners of these vehicles have filed 573 complaints in the engine category.

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