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05-17-2022, 11:05 AM | #1 |
135i Coupe Owner!
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Help identify water/coolant leak under car?
Hey guys, got another mystery here. This time the leak is directly under the car. Hard to take pics without getting the car in the air. The consistency of the fluid seems like water, no distinct smell or color.. but possibly something else? Doesn't appear to be oil to me. Can anyone chime in?
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2008 BMW 135i Coupe
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05-17-2022, 11:19 AM | #2 |
Brigadier General
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Maybe try to catch it on something white, so you can tell for sure regarding that. Color, and smell too.
I wondered if it could be moisture condensing and dripping from using the A/C but probably not that far back. |
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05-19-2022, 09:49 AM | #3 |
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I've been trying to test over the last few days of my commute. It looks like the liquid only drips after running the A/C unit. I drove 25~miles to work with the heater turned on 1 notch and experienced the liquid in the pic, also in my garage at home running it on cool 25~ miles back home.
Today I came to work 25~ miles with it off the entire time and it's completely dry on the floor in the same spot. I know it's normal for some amount of liquid to drip. But it seems like quite a bit. Any insight on whether this is an issue that needs to be addressed? Edit: I recharged my AC unit about a month or two ago using a DIY kit because my AC wasn't blowing cold after 12 years but it blows nice and cold now, heat works fine too. Wondering if this has something to do with it because I don't recall it ever dripping this much |
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05-19-2022, 09:54 AM | #4 |
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Remember, the key to effective A/C is dehumidification. So the better the A/C works, the more moisture is going to be removed and drained out (under the car in most cases)
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05-19-2022, 10:30 AM | #5 |
135i Coupe Owner!
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In that case maybe the dripping is because my AC is actually working now as opposed to blowing room temp air before? Just trying to make sure the car is running properly (fixed multiple oil leaks/coolant leaks over the last 6 months. VCG, ofhg, oil cooler, and Mickey mouse flange). Tired of leaks
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05-23-2022, 09:09 AM | #6 |
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I recently had my driver side headlight washer leaking washer fluid. The puddle was at the front right corner of the driver's front wheel
I doubt that's what your leak is, as washer fluid smells like extremely strong alcohol, but I figured I would add my new leak as it took a while to find. |
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