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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-05-2016, 12:22 PM
awharam awharam is offline
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Location: Morecambe
 
Join Date: Dec 2015
Posts: 22
Mein Auto: 540 M Sport Touring
540 MSport Touring Misting Issues

Hi All, I seem to be having misting issues with my 2001 540 Msport Touring. It used to clear the mist in winter really quickly, but now its very slow. I can here and see the ac compressor engaging and a rise in the RPM. The blowers work find and it blows hot and cold.I had it re gassed 6 months ago....im scratching my head a bit at the mo. Anyone had similar issues? Forgot to put, no obvious water ingress, the carpets and spare wheel well are all dry.


Ady

Last edited by awharam; 01-05-2016 at 12:25 PM.
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  #2  
Old 01-05-2016, 02:54 PM
mattmar1 mattmar1 is offline
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Location: Louisiana
 
Join Date: Dec 2014
Posts: 390
Mein Auto: 1999 5281 5 sp msport
does the car heater seem to be coming up to temperature, both on the gauge and the feel from the heater? adequate air flow? the things id think to check are the aux water pump and the flapper controls in the dash. is the thumbwheel on the center vent set to the 3 red dot position?
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99 528i 5sp sport, vanos rebuild, cooling system overhaul, stripped/repainted/polished/recoated OEM BBS 17" style 5 wheels, new paint nose to tail, all interior/exterior LED's (except headlights) clear corners, all vac leaks fixed, eonon 5166, ECS short shifter/bushings, LED ae's and fog lights (clear) as DRL's, all brakes, fixed trifecta, rear control arm bushings/camber repair, new throttle body
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  #3  
Old 01-05-2016, 03:04 PM
awharam awharam is offline
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Location: Morecambe
 
Join Date: Dec 2015
Posts: 22
Mein Auto: 540 M Sport Touring
HI,

Yup it heats up just fine and is controllable by the electronic unit and the dash dial. No problems with the air flow at all. Just tones of mist inside that now takes ages to clear. Its an odd one to say the least...

Ady
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  #4  
Old 01-05-2016, 03:37 PM
edjack edjack is offline
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Location: San Jose, CA
 
Join Date: May 2007
Posts: 11,779
Mein Auto: '97 540i 6 speed
Possible that the plenum has water in it. There are two rubber drain hoses beside the trans. Make sure they're clear.
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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