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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 10-02-2012, 01:05 PM   #1
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Join Date: Nov 2011
Location: Boston
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Is this bad??

Hi guys, the last few times I started up my car I've been smelling something... exhaust fumes? gas? I don't really know, but it's very strong. Today I pulled the car out and looked at the ground where it was parked (picture attached) and it seems like there's a lot of leakage since the last time I moved the car which was 2 days before this. Any idea what this is and how bad it is? Is it safe to continue driving for now?

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Last edited by Kissik; 10-02-2012 at 01:11 PM.
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Old 10-02-2012, 01:16 PM   #2
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Only you can determine what it is. It could be oil, coolant, water, or gasoline. You need to touch it when it is fresh and smell it. Also, there is a big difference between the smell of exhaust fumes and the smell of raw gasoline. Either way, it is a serious deal, and merely begs the question of which way you prefer to die; asphyxiation or burns. You should get your car on a lift and examine the fuel lines and the exhaust system.

Last edited by DSilk56; 10-02-2012 at 01:18 PM.
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Old 10-02-2012, 01:45 PM   #3
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It doesn't smell like raw gasoline. It must be exhaust fumes, just way worse than what's normal.
I also smelled the liquid on the ground and it didn't have any distinct smell to it.

Guess I need to find a lift and have someone look at it.
Thank you
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Old 10-02-2012, 05:52 PM   #4
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Check the crankcase ventilation piping, it could be oil/water blow off if the connection on the bottom of the intake plenum is disconnected.

I had that smell when the oil catch can I was using was hooked up wrong, the stuff smells TERRIBLE! Oil/Gas nastiness...
2001 M3, LSB 6spd, purchased 6/09 with 25K miles.

Mods: Coyne Performance built ///M3
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