Why is my water pump running way after car is shut off

Nicky92 · 04-10-2016, 11:46 AM

I noticed the "turbo timer water pump feature" thing running more than usual.

I drove it about 30 miles, and it ran normally, shut off after a few minutes.

Then it cooled down.

I then moved it into my garage, took literally 30 seconds of running. and the water pump was still cycling on and off, the coolant was at like room temperature.

What is happening?

bmw replaced my water pump 2 summers ago btw

Nicky92 · 04-10-2016, 11:48 AM

After moving it into the garage, it's still running about 10 minutes later...

coolant is still circulating

blown07 · 04-10-2016, 07:28 PM

I get the pump running excessively long after I use the REST (residual heat function). Even when I turn off the REST the pump will run and run.

Kbudz94 · 11-14-2019, 03:53 AM

Hey guys any idea why this was happening? Having same problem on my 335i e92 2007

feuer · 11-15-2019, 12:11 PM

Quote:

Originally Posted by Nicky92

bmw replaced my water pump 2 summers ago btw

Quote:

Originally Posted by Kbudz94

Hey guys any idea why this was happening? Having same problem on my 335i e92 2007

Replace the pump. Is internally shorted. Some even starts running after you lock the car. It doesn't matter when it was replaced, how many miles, etc... Parts can fail at any point in time or mileage. As a tech an owner of 2008 335i I can tell you that have replaced the pump on my personal car 3 times already, so including factory total of 4 pumps, I'm at 112k now. On avarage they last me 3 years and 30-35k miles, but like I said these numbers are irrelevant as some pumps last 10 years + and 100k +

hellokitty · 11-16-2019, 01:49 AM

Did you replace the thermostat? Maybe that could be it.

04-10-2016, 11:46 AM	#1
Nicky92 Fastest 335 on Earth 39 Rep 426 Posts Drives: 2008 335i Join Date: Feb 2014 Location: Levittown, NY iTrader: (0)	Why is my water pump running way after car is shut off I noticed the "turbo timer water pump feature" thing running more than usual. I drove it about 30 miles, and it ran normally, shut off after a few minutes. Then it cooled down. I then moved it into my garage, took literally 30 seconds of running. and the water pump was still cycling on and off, the coolant was at like room temperature. What is happening? bmw replaced my water pump 2 summers ago btw __________________ E92 335i, 6MT- YouWish Single turbo, Precision 6466, Doc Race intake manifold w/port injection, Precision Raceworks coil packs and Stage 3 lpfp, 3.46 geared Mfactory LSD, VRSF 3.5" single exhaust, Toyo R888Rs, Spec Stage 3+ clutch, DSS axles, RTD shifter, Motiv, boost box and flex fuel, WOTBOX, MOTIV tuned...and much more
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04-10-2016, 11:48 AM	#2
Nicky92 Fastest 335 on Earth 39 Rep 426 Posts Drives: 2008 335i Join Date: Feb 2014 Location: Levittown, NY iTrader: (0)	After moving it into the garage, it's still running about 10 minutes later... coolant is still circulating __________________ E92 335i, 6MT- YouWish Single turbo, Precision 6466, Doc Race intake manifold w/port injection, Precision Raceworks coil packs and Stage 3 lpfp, 3.46 geared Mfactory LSD, VRSF 3.5" single exhaust, Toyo R888Rs, Spec Stage 3+ clutch, DSS axles, RTD shifter, Motiv, boost box and flex fuel, WOTBOX, MOTIV tuned...and much more
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04-10-2016, 07:28 PM	#3
blown07 Lieutenant 202 Rep 449 Posts Drives: 335i Join Date: Jul 2013 Location: Tijuana iTrader: (0)	I get the pump running excessively long after I use the REST (residual heat function). Even when I turn off the REST the pump will run and run. __________________ 335i FBO,Meth,JB4,Sutphin flash,LSD,GCLites 11.25@127.4 on NT05R 335xi FBO,Meth,JB4,Sutphin flash,VTT stage1 11.38 1/4 - 7.30 1/8th - 3.35 0 to 60 @ 0C
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11-14-2019, 03:53 AM	#4
Kbudz94 Private 5 Rep 91 Posts Drives: BMW 335i Join Date: Oct 2019 Location: Kingston Ontario iTrader: (1)	Hey guys any idea why this was happening? Having same problem on my 335i e92 2007
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11-16-2019, 01:49 AM	#6
hellokitty Brigadier General 2894 Rep 3,726 Posts Drives: '17 M3 ZCP DCT Join Date: Jul 2010 Location: Southern California iTrader: (2)	Did you replace the thermostat? Maybe that could be it.
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