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Message: <blockquote data-quote="crusher" data-source="post: 30244" data-attributes="member: 251"><p>Just now stuck in a jam, my water temp reading goes up to 3/4 mark. Fast fast get out of jam, notice that when driving the needle go back to middle.  This never happened before. Stop the car for a while, check the water , it is normal ,no coolant lost. Actually changed the water hoses couple of weeks ago so the coolant is new and I believe the mech (Optimum) knows about bleeding.Just took to my normal mech (Non-bmw) and he says possibly radiator blocked , need to clean or flush it. So seeking advise, should i take to back to Optimum for their diagnosis or go ahead with radiator cleaning?</p></blockquote><p></p>