Hey all,
So the dealership I purchased my M3 from seems to have removed my engine splash guard. I am thinking this may be partially to blame for the following. Here's my time line so far...
Tuesday morning (In freezing rain/sleet/slush/rain - My Jeep was at work): Started up fine. Drove to work. While on the highway in 30-50 MPH traffic, approx 15 minutes into my drive, the car started to sputter and miss above 4000 RPM. Did this for my entire 40 minute drive.
Tuesday on lunch (Only puddles and such left): Drove 20 mins round trip to get food. Car was still sputtering, but less than before.
Tuesday afternoon: Car was driving better, minor sputtering here and there.
Wednesday morning: Came outside, started the car. It fired up as normal for 1/2 a second, then the RPM's dropped and the car shut off. Turned the ignition again, same thing. Did it again, giving it gas, and it stayed running. No CEL was present. I let the car warm up for a min or two. It then held idle, but quite low - around 400 RPM. As the car warmed up, so did the idle, finally up to around 900-1000 RPM.
Wednesday on lunch: Car stayed running at startup, but low, 400 RPM, idle was still present. Idle increased as car warmed up. Had oil changed to winter blend of 0w40 Mobil 1.
Wednesday afternoon: Low idle was still somewhat apparent, but now around 700 RPM.
Today: Idle is now normal it seems, at least regarding RPM's. However, I can hear a slight miss, when stopped at a light, etc.
Any thoughts? Maybe one of my coil packs got wet?
Also, probably unrelated ... Prior to the oil change, maybe once a week or less, I would be completely overcome by the smell of burning oil. My g/f was in the car with me last week and even mentioned it. I'm used to burning oil in my Wrangler, but this was far worse of a burning oil smell, but only happened for maybe 15-60 seconds and was done. Idea's? Thanks!
So the dealership I purchased my M3 from seems to have removed my engine splash guard. I am thinking this may be partially to blame for the following. Here's my time line so far...
Tuesday morning (In freezing rain/sleet/slush/rain - My Jeep was at work): Started up fine. Drove to work. While on the highway in 30-50 MPH traffic, approx 15 minutes into my drive, the car started to sputter and miss above 4000 RPM. Did this for my entire 40 minute drive.
Tuesday on lunch (Only puddles and such left): Drove 20 mins round trip to get food. Car was still sputtering, but less than before.
Tuesday afternoon: Car was driving better, minor sputtering here and there.
Wednesday morning: Came outside, started the car. It fired up as normal for 1/2 a second, then the RPM's dropped and the car shut off. Turned the ignition again, same thing. Did it again, giving it gas, and it stayed running. No CEL was present. I let the car warm up for a min or two. It then held idle, but quite low - around 400 RPM. As the car warmed up, so did the idle, finally up to around 900-1000 RPM.
Wednesday on lunch: Car stayed running at startup, but low, 400 RPM, idle was still present. Idle increased as car warmed up. Had oil changed to winter blend of 0w40 Mobil 1.
Wednesday afternoon: Low idle was still somewhat apparent, but now around 700 RPM.
Today: Idle is now normal it seems, at least regarding RPM's. However, I can hear a slight miss, when stopped at a light, etc.
Any thoughts? Maybe one of my coil packs got wet?
Also, probably unrelated ... Prior to the oil change, maybe once a week or less, I would be completely overcome by the smell of burning oil. My g/f was in the car with me last week and even mentioned it. I'm used to burning oil in my Wrangler, but this was far worse of a burning oil smell, but only happened for maybe 15-60 seconds and was done. Idea's? Thanks!

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