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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 05-11-2016, 03:57 PM
Teeflex37 Teeflex37 is offline
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Location: Dallas
Join Date: May 2016
Posts: 2
Mein Auto: 98 BMW 328i
328i - Radiator cap leaking

Hello people. I have a 328i thats leaking from radiator cap. No over heat but it's getting worse...meaning I have to refill everyday now versus every two weeks or so.... I just realized my fan was weak. I can stop it with my hand. I was told it could be my water pump going bad but I can't see it to recognize that. What say you?
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Old 05-11-2016, 04:09 PM
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tim330i tim330i is offline
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Location: SF
Join Date: Dec 2001
Posts: 15,125
Mein Auto: Ti Silver 03 M3
Welcome to Bimmerfest! I've moved your question to our E36 3 Series forum, you'll get more help in here.

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Old 05-11-2016, 09:21 PM
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ZeGerman ZeGerman is offline
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Location: Seattle, WA
Join Date: Mar 2009
Posts: 22,849
Mein Auto: 1998 BMW 328is
You should replace your radiator cap and fan clutch.

1998 BMW 328is
1966 Pontiac GTO
2007 Subaru Impreza 2.5i 5-door
View my photos: Caught in the Wild
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Old 05-12-2016, 09:27 AM
toddster toddster is offline
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Location: Oregon
Join Date: Jun 2014
Posts: 191
Mein Auto: 97 328is... and stuff.
And don't be surprised if that's just the beginning. After I replaced the cap, the system came up to normal pressure, for possibly the first time in years. So the next weakest point started leaking. Fix that. Wait a couple of days for the next leak to start. Repeat. Repeat. Repeat. It's like a game of whack-a-mole.
Or maybe Adolph sees the cats peeing on the garage floor :x and figures that he should too!
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