Fan constant running

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Nov 14, 2014 | 05:16 PM

Bigjule111

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From: Philly/sjersey

My Ride: 2006 530xi w m5 tech kit, 2007 Mercedes e63 AMG, 2005 ford expedition

Fan constant running

Hello gents. My 2006 530 xi fan is staying on. Even on cold startup the fan starts up. When I turn off the car the fan turns off. I replaced the waterpump and the thermostat 8000 miles ago. I went into the hidden menu. The engine temp read at 70-80 c. Any idea?

Nov 14, 2014 | 06:52 PM

twh

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From: Denver, USA

My Ride: 2006 BMW 530xi 6MT

Model Year: 2006

Engine: N52

Couple things...

Check for codes. The radiator fan has a diagnostic check when you turn on the car. There might be come error messages if you check the car via OBD port.

There are three things I can think of:
- fan relay stuck (or, maybe, fused relay contacts)
- coolant temp sensor (but, you see this ok on the hidden menu)
- temp sensor at radiator outlet (another temp sensor)

Nov 15, 2014 | 05:10 AM

Bigjule111

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From: Philly/sjersey

My Ride: 2006 530xi w m5 tech kit, 2007 Mercedes e63 AMG, 2005 ford expedition

Well I started up the car this morning after sitting all night Immediately the fan came on. Drove down to autizone to see if there was any shadow codes lingering Nothing came up. Then I drove back home and brung up the hidden menu. The car was running at 105c. So am i safe in saying it can't b the waterpump thermostat again ? What's a overheating temp? Like I stated both were done 8000 miles ago. Plus a hose and some sensor was done aswell

Nov 15, 2014 | 05:32 AM

twh

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From: Denver, USA

My Ride: 2006 BMW 530xi 6MT

Model Year: 2006

Engine: N52

Autozone may not be able to get all the codes. Not entirely sure, someone can chime in who has better knowledge on generic code reading on BMW.

Nov 15, 2014 | 05:45 AM

tonyb635

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From: UpState SC

My Ride: 2008 535i LCI with sports/premium package, Sports trans with paddle shifters, CF emblems, JB4 Software, Dinan Exhaust, Navigation, M5Tech body kit, Carbon wrap interrior trim and CIC Controller.

Quote:

Originally Posted by twh

Autozone may not be able to get all the codes. Not entirely sure, someone can chime in who has better knowledge on generic code reading on BMW.

Your correct, they can't see all of them. If a CE light is there, them they will most likely see the code. You would need to look inside with INPA and you should see some activity. Jamie has a what's app or something like this that I believe I would invest in or at least something to go deeper. Consider one visit to the stealer for a check will pay for it!

Nov 15, 2014 | 04:27 PM

Bigjule111

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From: Philly/sjersey

My Ride: 2006 530xi w m5 tech kit, 2007 Mercedes e63 AMG, 2005 ford expedition

Cool. Thanks I'm going to look into that tony. Probably take it to the indie shop this week see what they say

Dec 10, 2014 | 12:14 AM

wtlb

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From: Los Angeles, CA

My Ride: 2008 AW N52 with sports package & premium package; natural brown interior MODs: Orion V2s 3000K H8 Yellow Fogs Matte Black Kidney Grills 20" Miro 111 Hankook V12 Tires H&R Sport Springs Special coding via Simon (dbl flash hazards, digital velocity, etc.) LED Side Markers from Trinity Autosports LED License Plate Lights from Trinity Autosports Carbon Delete BMC Air Filter RPI Scoop RPI GT Exhaust Future MODs: Mtech Kit KW Variant 2 Coilovers CIC Retrofit Upgrade Audio System

I have an 08 528 and this is happening to me too. Did you find out anything esle from your mechanic?