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06-11-2007, 11:08 AM | #1 |
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My car has a cold....
The last 2 times I've cold started (mornings).....,
right after it fires up it has a little cough & then it's fine. I've also noticed lately that it seems to turn over a couple of extra times B4 firing up. - again only when cold. Otherwise it runs great. Through the day I don't get these symptoms at all.
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06-11-2007, 11:11 AM | #2 |
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The owners manual says to give it a lil gas before you start cold if you have troubles.
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06-11-2007, 12:04 PM | #3 | |
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Quote:
This is a new behavior, which would suggest something has changed. & You'd think the fuel pump would charge the system sufficiently.
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06-11-2007, 12:09 PM | #4 |
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inTgr8r
If the procedure above is correct and is ever going to work you would need to turn the key on first. Seeing how our cars have no physical connection between the pedal and the engine ( meaning its not a ford or chevy ) , Fly by wire. Pushing the pedal without the key on is useless. IMHO
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06-11-2007, 12:12 PM | #5 |
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Yeah my thought as well...
I was thinking about just pausing in position 1 to let the fuel pump charge the system.
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06-11-2007, 12:16 PM | #6 |
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I agree with you, that if the operation has changed, there may be something else going on. Do you ever put a gas treatment in your tank? I travel a good bit and have gotten marginal gas before. My Z did like you say cough. I added some gas treatment and have not had any issue since.
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06-11-2007, 01:09 PM | #7 |
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It's obviously not a direct quote but I remember reading something to that effect. It should be in the M supplement. Check it out.
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06-11-2007, 01:46 PM | #8 |
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will do
reminds me..... - wish they had the up to date GD manuals online :mad:
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06-11-2007, 02:31 PM | #9 |
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Yeah...someone needs to pass that note on to BMW
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06-11-2007, 02:36 PM | #10 |
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Mine started the same thing about two weeks ago - starts, revs come up and then dive almost stalling and then it catches?
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06-11-2007, 02:45 PM | #11 |
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^ yes exactly.... almost like a little cough then catches.
I'm going to try leaving the key is pos 1 a second or two, to let the fuel pump fully pressurize to see if that does anything.
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06-11-2007, 02:50 PM | #12 |
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I'll give it a try too - report back tomorrow.
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SS Race Cans, RE X Pipe, DKF Sec 1, Fabspeed Headers, OE STB, AS Shifter, Dave Z CDV, GC Coil Overs, Stoptech lines, Hawk DTC Pads, RE Clutch Stop, RE Transmission Mounts, Vibra-Technics Engine Mounts, Poly FCAB & RTAB, LeatherZ M Shift Boot, Tekarbon Rear Spoiler, CF Grills, Advan RS DGM |
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06-11-2007, 03:26 PM | #14 |
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ahhh.... a trend unfolds.
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06-11-2007, 04:13 PM | #17 |
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Canadians also have the defective cars
Where are you guys at mileage wise?
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06-11-2007, 04:14 PM | #18 |
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8,000 miles
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06-11-2007, 04:54 PM | #19 |
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06-11-2007, 05:06 PM | #20 | |
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Quote:
We're like the rest of the world. 3500 km
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'21 M2C Hockenheim Silver
'18 718 Cayman S Lava Orange (sold) '13 E92 M3 Santorini Blue (sold) '07 Z4 M Coupe Alpine White (sold) Last edited by inTgr8r; 06-11-2007 at 06:09 PM.. |
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