My engine temp was taking along time to warm up so had the thermostat replaced, but still no luck, it will still take ove 30-40 mins of solid driving to reach 1/2 way,then if I happen to put the cabin fans on on hot you can watch the engine thermostat drop to around 1/4, you can feel the heat difference increasing the faster you drive and drop off if I stop, any ideas?? Are these a linked problem or separate?
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2005 BMW X5 Question: Engine temp takes a long while to reach operating temp
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