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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Smoke from Alternator or Power steering pump



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      11-19-2018, 04:19 PM   #1
Masry335i
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Smoke from Alternator or Power steering pump

Ok here it goes. This might be long. Ill try to keep it short. Drove my 335i to a friends house the other day and it started spewing white smoke. Opened the hood and it looked like the smoke was coming from alternator. However, my power steering has been making a bunch of noises from being stuck last winter and cranking the wheels alot. And it got louder.

I was driving home and the car died and did a bunch of weird shit like turn on windshield wipers and flash the lights on the dash and what not. Jumped it and it started for a bit then as i drove the rpm and speedo stopped working and the car died again. Had to jump it 3 times in a matter of 10 min to get it home.

Now, could this be from a failing power steering pump messing with the belt (even though belt looks and runs fine)? or a failed alternator or both? Im so voer my 335 and its plethora of issues
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      11-19-2018, 05:30 PM   #2
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Sounds like the alternator blew up. Any battery symbol light on in the guage cluster?
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      11-19-2018, 06:02 PM   #3
Masry335i
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I did right before the battery/car died.
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      11-19-2018, 08:38 PM   #4
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Well that sounds like the answer; you need to replace the alternator. The battery has been discharging once the alternator stopped producing electricity. I lost my alternator in my E90 and the car drove barely 25 miles before it ran out of battery power.
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