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BMW 3-Series (E90 E92) Forum
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Water Pump Maintenance
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02-16-2010, 10:56 PM | #45 |
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Just wanted to chime in since I installed this today.
It's a device called ScanGauge and it shows the water temp, rpm's, hp, voltage. There are more combinations, but that's what I have it set up as. The temperature definitely changes because of the electric water pump that we have. The temperature ranges from 195*F to 220*F. I tested it on my buddies 04 G35 and his temperature was pretty consistent at 170*. I decided that I would rather invest in this device and then pull the car over if I see the temperature rising rather then replace the water pump at 79k when failure could occur anytime even with a new water pump. |
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02-16-2010, 11:10 PM | #46 |
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changed my thermostat and water pump a couple of weeks ago....71k+ miles..
overheating issues........ no more problems.....
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2006 E90 330i Jet Black | 20" WORK VS-XX | FK452 | H&R Sport on Koni Yellow | REMUS QUAD
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09-18-2010, 12:45 PM | #47 |
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ac and engine oh
Does the pump just fails at once? Does it relate to the ac unit? I'm having issues with the ac not working properly at low speeds and/or traffic lights, the other day temp light came on yellow and turned red as I was getting on the ramp to the expressway. Once I got some speed light went out and ac started to work normally.
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09-19-2010, 02:56 PM | #48 | |
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09-21-2010, 08:44 PM | #49 |
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To clarify the N54 has an electric waterpump with 2 times the wattage of ours and twice the ability to flow but indeed are both electric.
In my opinion it is one part I will wait to fail as once you start letting a bmw mechanic mess around in taking a perfectly good part off that has been goin strong you add in the error of his mistakes and crappy work, defective part, loose connections etc that you otherwise wouldnt have had. You cannot beat a factory installed part in an engine and if you are running with no problems I would leave it. There is a way to check engine temp through computer by using the tachometer reset button---youll have to google as I only know it for the e60. The only prevenative stuff I would change other than coolant flushes every 30k are hoses if something else goes. My radiator went out of warranty and they were nice enough to change the two big radiator hoses. If my pump goes I would change all the hoses in that area. I use gummiphledge on the hoses but those tend to wear over time due to the extreme heat |
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06-02-2012, 10:39 PM | #50 | |
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06-04-2012, 05:43 AM | #51 | ||
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06-05-2012, 07:36 PM | #52 | |
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Start with Key fob out 1) hold trip reset button 2) Insert key fob 3) add up the numbers shown 4) go to 19.X 5) Type the number you summed in step 3 using the trip reset button 6) go to 7.1 for water temperature This is the method I use when i track my car to make sure I'm not beating it up too harshly. Normal operating range is between 70 Celsius and about 110 Celsius |
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01-03-2013, 09:34 PM | #53 | |
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I do replace other parts if I'm in doing something related like a water pump and stat & housing or pads and a brake flush or radiator and hoses. |
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04-03-2013, 01:10 PM | #54 |
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I have an extended CPO out to 6 years. I brought my car w/ the JB4 still installed on map 0 b/c I had water temperature sensor errors. The dealer found the JB4. The dealer is now trying to deny all coverage b/c of the JB4. Is the dealer still obligated to replace a water temp sensor under CPO? What about a water pump? They mentioned something about throttle valve errors (which I doubt is a problem). I am more inclined to accept responsibility for problems w/ the throttle valve, but does anyone know which things exactly will not be covered anymore?
The service guy was being real douchey. The dealership somehow caused all kinds of addtional DME problems after I dropped it off but tried to pretend I caused the problems in the 1 min that I tried to pick up the car but found the car undriveable due to the additional DME problems they caused. He even told me that they recorded the mileage on the day I first dropped it off and then now, and so could see that no mileage was added. Then he argued that my warranty ran out at 4yrs/50K miles, even though I got it extended to 6yr/100K as part of negotiating the terms when I bought it. Then he fell back on saying that they could fix all this stuff in the car, but they'd have to charge me for it. So I'm going into the dealer soon to pull out the JB4, something which was not a problem when I dropped the car off. But after that, I feel like they should replace the stuff that can't possibly be worsened by having the JB4, such as the water pump related issues. Right? |
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