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2010 2011 BMW 5 Series Forum F10 water pump/tstat/other? issue N55 |
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06-01-2021, 12:05 AM | #1 |
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water pump/tstat/other? issue N55
Hi everyone, I have a problem
when I turn on heater/AC my water pump turns ON-OFF at MAX power every 5 seconds. Engine oil and coolant are at stable 90-100*C Battery voltage is ok. Coolant level is correct and I can see flow. Car runs fine just until I turn on heat/ac. Thanks in advance |
06-01-2021, 09:15 AM | #2 |
Colonel
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Codes? Usually a bad water pump or thermostat will throw codes if they're going bad.
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2015 BMW 535xi
Bootmod3 Stage 2 | ER charge pipe | ER Catted DP | Remus Exhaust | Gplus FMIC | KW V3 | Turner Monoball thrust arm bushings | Wallet regrets ISTA VM Setup/Tutorial |
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06-01-2021, 12:16 PM | #3 |
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jb4 may cause some of those errors
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06-01-2021, 05:18 PM | #4 |
Colonel
1301
Rep 2,591
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Water pump going bad.
__________________
2015 BMW 535xi
Bootmod3 Stage 2 | ER charge pipe | ER Catted DP | Remus Exhaust | Gplus FMIC | KW V3 | Turner Monoball thrust arm bushings | Wallet regrets ISTA VM Setup/Tutorial |
Appreciate
1
OnlyGerman363.50 |
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