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BMW M3 Maintenance and Repair

228 messages,  Last post on Nov 05, 2009 at 9:24 PM

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What is this discussion about? BMW M3, Coupe, Convertible


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#213 of 228
e46 m3 maintenance by gmonkies
Mar 09, 2009 (11:06 am)
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Hi,
 
I thought I have a main seal leak but luckily it was only the rubber 0-ring on oil pressure regulator on the side of the block. Does anyone know how often does that happen?
 
Also, the bentley manual said that the bolt holding the metal plate for structure support under the engine area must be replaced every time, after removal. I order new bolts from BMW but using the old one until I get it. I torqued the old bolt back to spec and the car seems to be driving okay. Should I still change it when I get the new bolt or just save it till the next time I have to remove the metal plate again?
 
One last thing is I replaced my window regulator and adjust the window alignment to be the same as the other side. Everything works fine except if the window goes up automatically, it will will comes down 1/3 of the way after getting to the top. I thought it was cause by the window going up too high. But when I adjust the window alignment so it does not reach the very top, it still does the same thing. Is there anything that I am suppose to rest to solve this minor problem?
 
Thanks!
#214 of 228
Re: e46 m3 maintenance [gmonkies] by roadburner
Mar 09, 2009 (5:34 pm)
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Replying to: gmonkies (Mar 09, 2009 11:06 am)

I order new bolts from BMW but using the old one until I get it. I torqued the old bolt back to spec and the car seems to be driving okay. Should I still change it when I get the new bolt or just save it till the next time I have to remove the metal plate again?
 
I'd change it.
 
. But when I adjust the window alignment so it does not reach the very top, it still does the same thing. Is there anything that I am suppose to rest to solve this minor problem?
 
Try this:
 
Press the window down button. When the window is down - hold it down for 20 seconds. Then press the window up button (with the door closed) - and hold it up for 20 seconds once it's all the way up.
 
These two steps teach the window the normal down and up positions. They're needed for auto-down/up and to keep the window from going too far up into the channel. There is a magnetic switch in the motor assembly that is adjusted by doing this.
#215 of 228
M3 in Chicago by david112
Mar 17, 2009 (1:21 pm)
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I'm considering an M3 Convertible and it will be my all-year round car. I drive about 23 miles each way from the suburbs to the city. Assuming I get good winter tires (and feel free to recommend any 18 inchers you feel are good), will this work or will I be white-knuckled all winter?
I appreciate your thoughts - David
#216 of 228
Re: M3 in Chicago [david112] by kyfdx HOST
Mar 18, 2009 (6:36 am)
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Replying to: david112 (Mar 17, 2009 1:21 pm)

I don't know why an M3 would be any different on winter tires than any other 3-series, other than a slightly lower ground clearance. Is this a new M3 with the folding hardtop?
 
Winter tires are the key, and, if they fit, I'd recommend 17" winters on dedicated wheels.. My wife drove an '05 330i with soft-top through three Cincinnati winters with no problem, and she really isn't much of a winter driver... and, we have a lot hillier terrain here, than in Chicago... We've used Goodyear Eagle Ultra-Grip and Dunlop WinterSports... both in 17" get-flats....
 
Don't really know much about run-flats, though, if you are going that direction.
 
regards,
kyfdx
#217 of 228
Re: M3 in Chicago [kyfdx] by lostit3
Mar 18, 2009 (8:10 am)
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Replying to: kyfdx (Mar 18, 2009 6:36 am)

I have an 2005 M3 Convertible without winter tires and I don't bother taking it out when there is snow on the ground. 19 inch performance tires with that much power and rear wheel drive is not ideal for snow. I'm not sure how much snow tires will work but if you are counting on this car to be your everyday commuter during the winter in Chicago...I'd be a bit concerned. And I'd say I'm a pretty decent driver in snowy conditions since I grew up in Boston.
#218 of 228
Re: e46 m3 maintenance [roadburner] by gmonkies
Mar 21, 2009 (4:24 pm)
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Replying to: roadburner (Mar 09, 2009 5:34 pm)

Thanks for the advice but I tried what you said with the window and it still did not work. Any other suggestions?
#219 of 228
Re: e46 m3 maintenance [gmonkies] by roadburner
Mar 23, 2009 (4:30 pm)
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Replying to: gmonkies (Mar 21, 2009 4:24 pm)

Check out this page- starting at post #19.
#220 of 228
Re: e46 m3 maintenance [roadburner] by gmonkies
Mar 25, 2009 (1:53 pm)
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Replying to: roadburner (Mar 23, 2009 4:30 pm)

Thanks. I have the bentley manual and saw that section before and adjust the window according to the direction. I will try to repeat the steps over again from beginning to end and see what happens.
#221 of 228
SMG by gregory11
Apr 01, 2009 (7:41 am)
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Hello!
I have a 2002 BMW M3 with SMG that I just bought from a friend. It has over
100k on it. I love this car. But here is the problem. In a manual transmission
when you don't depress the clutch far enough and you press down on the gas
pedal the car will race some before it goes into gear. This is what the SMG
appears to be doing. I am hoping that maybe it just needs and adjustment or
some lubrication or something small. Is this a common problem? Is it a big
problem? Can you help?
#222 of 228
Re: SMG [gregory11] by roadburner
Apr 01, 2009 (1:37 pm)
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Replying to: gregory11 (Apr 01, 2009 7:41 am)

You really need to take the car to a good BMW dealer or indie BMW tech. It could be something simple and it could be something pricey- but you need to have it diagnosed by someone who knows what they are doing. I hope you haven't been using just the throttle to hold the car on hills; that will kill an SMG clutch in no time...

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