Radiator - silly question

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Author Message   Darryl Watson Experienced User Username: inox Post Number: 91 Registered: 04-2015 Posted on Tuesday, 13 August, 2019 - 03:08:    After a run the temperature of the rear of the radiator, measured with an infra-red thermometer, is 90 – 92 C along the top, 87 along the middle (although 90 at one end), and 80C along the bottom. Is 10C a normal difference? (I told you it’s a silly question). The ‘stat is rated 88C and is OK as is the viscous fan coupling. (https://www.bimmerforums.com/forum/showthread.php?1424369-Fan-clutch-test). The temp gauge sits in the white and is pretty stable. Many thanks Regards Darryl   Vladimir Ivanovich Kirillov Prolific User Username: soviet Post Number: 1560 Registered: 02-2013 Posted on Tuesday, 13 August, 2019 - 05:00:    Sounds perfect and don't try to fix it   Robert J. Sprauer Frequent User Username: wraithman Post Number: 503 Registered: 11-2017 Posted on Tuesday, 13 August, 2019 - 08:30:    Perfect and nice temp differential from top to bottom.   Darryl Watson Experienced User Username: inox Post Number: 92 Registered: 04-2015 Posted on Wednesday, 14 August, 2019 - 06:52:    Hi, Thank you for the feedback Regards

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