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Registered
Join Date: Dec 2007
Posts: 5
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E46 Coolant Temp Sensor Reading
Have replaced thermo, water pump, temp sensor - bled system and car runs well. Why would dashboard display needle point slightly past, but still in 'normal' (dead center) range for coolant temp? My 5 series needle reads dead center. What gives? TIA, David
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12-16-2007, 05:01 AM
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It should be at TDC. How much is "slightly past" a needle width? Is it always high or does it move? How long does it take to get hot and then move past TDC?
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HPDE Instructor (BMW / PCA / Apex) Here: 1997 M3/4 Byzanz/Magma ~ 2006 Yamaha R6 ~ 1997 R1100RT ~ 1991 Ford F-150 5.8l ~ 2015 Kia Optima Gone: 2001 330i Silver/Grey ~ 98 Camry V6 ~ 97 Camry I4 ~ 97 Mazda 626 I4 ~ 93 Sentra SE-R ~ 88 Toyota Truck I4 |
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12-17-2007, 10:01 AM
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Join Date: Dec 2007
Posts: 5
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It's more than a needle width - but still in the acceptable zone - ie doesn't go near 'red'. I have owned the car for the past year, and it's always done it - just always assumed it was temp sensor - so I never rushed to replace. Normal time to get hot and always stays at same point on display.
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12-17-2007, 07:37 PM
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1997 BMW M3 3.2L I6
