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Radiator Fan Cycling
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07-06-2015, 10:36 AM | #1 |
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Radiator Fan Cycling
Hey all,
I noticed a strange behavior on the way in to work this morning. The radiator fan was coming on and cycling slow and then fast repeatedly. It was nice and cool outside so the engine should have no issue staying cool. I am a little worried my water pump may be on its way out. I have the platinum extended warranty so that should not be an issue but I was hoping to see if this is a common sign of imminent failure. I do have JB4 but I cam not seeing any codes. Would the JB4 be able to pull the shadow codes for a failing water pump?
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07-06-2015, 11:31 AM | #3 | |
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07-06-2015, 01:22 PM | #4 |
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What is normal temp for water?
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
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07-06-2015, 03:02 PM | #5 |
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So I just got back from a drive and put water temp on fuel--highest gauge went was just over the quarter mark...not even near the halfway spot, so I assume water temp is good.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
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07-06-2015, 05:45 PM | #6 |
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07-06-2015, 10:03 PM | #7 |
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I think nothing is normal with these cars..everything is learning..maybe until there are no more e90's out there.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
Last car: 2011 335i Msport. JB4. Vrsf CP |
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07-07-2015, 06:32 PM | #8 |
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So...my car just overheated..guess it's dealer time. I already have an appt. with the dealer for odd transmission shifting. I just took jb4 off and did a code clear but I am wondering if I cleared the overheat code or will they still be able to figure out it has a cooling problem.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
Last car: 2011 335i Msport. JB4. Vrsf CP |
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07-07-2015, 07:28 PM | #10 |
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07-07-2015, 09:53 PM | #11 |
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07-07-2015, 10:06 PM | #12 |
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07-07-2015, 10:43 PM | #13 |
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depends on the dealer. I know mine would say nothing is wrong. But they are all retards.
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07-08-2015, 09:44 PM | #14 |
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So dealer called and they are replacing the water pump. And fixing oil gasket leak as well. My car has 26k miles on it and I asked the SA if I will need another pump in 25K miles and he said good probability. So these things are designed to be replaced by 30k.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
Last car: 2011 335i Msport. JB4. Vrsf CP |
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07-09-2015, 05:53 AM | #15 |
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I think its more of a time, not miles. But people get anywhere from 20k-120k miles out of them. I got 70k and 4 years. The job is pretty easy to DIY, just make sure they replace the thermostat too while they are in there.
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07-09-2015, 10:22 AM | #16 |
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They won't replace the thermostat--I asked them to do it and they said they can only get authorized to replace failed parts even though it is easy to change the thermostat once they are there.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
Last car: 2011 335i Msport. JB4. Vrsf CP |
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07-09-2015, 01:46 PM | #18 |
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Yeah..job is already done so I guess I'll have to wait...I have two years of CPO going to start in a month so at least I have that piece of mind.
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2013 335i Msport Black sapphire/Coral red. MHD. stage 2--e30 VRSF DP, ER CP, Dinan Shockware. VRSF 12mm/15mm spacers. Cobra dashcam. Various codings.
Last car: 2011 335i Msport. JB4. Vrsf CP |
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07-11-2015, 10:28 AM | #19 |
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Well even more weird. I just drove for a while this morning and when I parked the fan was running pretty constant. I don't think it was at full speed though. I pulled codes with my JB4 and it went "30-70-100". That doesn't seem to be a valid code though. It translates to 37A but codes are 4-digits, no?
Any thoughts? I live in constant fear of my "Ultimate Driving Machine" stranding my butt on I-5. :-(
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07-11-2015, 11:26 AM | #20 | |
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07-11-2015, 04:36 PM | #21 | |
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More evidence that my water pump is on its way out. BTW, it was 65 degrees this morning so it was certainly not hot enough to have the fan running like it was.
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07-12-2015, 12:33 AM | #22 | |
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