Thread: 335d poor MPG
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      10-17-2014, 01:21 AM   #13
Dan-danGT
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Drives: E90 330d M-Sport
Join Date: Dec 2012
Location: Nottinghamshire

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Mine runs around 88-90 but never goes above unless I'm doing the ring or a track day etc! You would change your stats not expensive its a start but it won't improve massively might stay 85-90 instead.

The only way to test a thermostat is to drive a car as stationary unless it's stuck closed it will get to 95-100c ish until the fan cuts in and cools it down slightly
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