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BMW M3 Maintenance and Repair

185 messages,  Last post on Aug 09, 2008 at 9:23 AM

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


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#42 of 185
Re: won't go above 4000 RPM [jgoldstone] by red4man
Jun 13, 2006 (2:28 am)
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Replying to: jgoldstone (Jun 28, 2005 6:39 pm)

Hi,
 
YES I STILL HAVE THE PROBLEM
My name is Clinton Redman and I have a 2001 E46 M3. I have had the car for 4 yrs from 28000km to 131 000km. I was away for 6 weeks on business. The car was parked at the airport, undercover. When I returned and floored it after 20 minutes, the problem first occurred. The car has been back to BMW 3 times and numerous tuning guys have looked at it, no solution. Various faults have shown up, but resetting them has not solved it. The added disadvantage of this problem is that the car feels extremely underpowered from 4000rpm when reset.
 
Have you found a solution?
#43 of 185
M3 2004 by jjohnjohn
Jun 28, 2006 (8:04 pm)
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Hello All! I recently purchased a 2004 M3 with the SMG package. So far, so GREAT!... Sweet Ride!
 
1.However, the previous owner barely drove this car and when I went to go purchase it, the battery was dead. We had to jump it! I was kind of hesitant about the condition of the battery, fearing it would stall on me in the future. After the purchase, I took it for a long drive, hoping it would kick some life back into the battery. I started it up the next day without a problem. Does anyone know if the condition of the battery has already been compromised since it was not driven so often - sitting for weeks straight in a garage. Would it be 'ok', or do I live with fear it will not start one day. Or just get a new battery??
2. Does anyone have problems with radio reception? I am so disappointed the radio does not easily pick up radio stations compared to my 1998 528. I know a popular station in my area but the dang car does not pick it up! And I cannot tune the radio by each channel, because it surfs automatically to the strongest station. Very frustrating. Am I doing something wrong? Also, does anyone experience a delay when changing channels/stations when it is pre-set? There seems to be a half to one second delay when changing stations. My 528 is instant, no delay. Pretty disappointed. Any problems with my radio?
3. How does the SPORT mode seem to provide more power when it is the same horses under the hood? Weird.
4. For the life in me, I cannot program the garage door opener in the M3 to my garage. Can anyone help?
 
Thanks all! I just got the car, so I just wanted to know everything about it. Thanks for any answers in advance.
-J.
#44 of 185
Re: M3 2004 [jjohnjohn] by Mr_Shiftright HOST
Jun 29, 2006 (7:35 am)
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Replying to: jjohnjohn (Jun 28, 2006 8:04 pm)

I can give you one tip. Never, ever charge up a completely dead battery by using only the alternator. I think you're fine, but if you did this a few times in the future and had early alternator failure, you'd know why.
 
If a battery is completely, totally, utterly dead, then yes, it may have a shorter life span IMO.
 
Next time this happens (hopefully never), get the battery charged and then have it properly load-tested for endurance.
#45 of 185
Alarm by jjohnjohn
Jul 06, 2006 (7:58 pm)
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Does anyone know how to install after market alarm? I bought a LOADED used M3, but found out later, it does NOT have a factory alarm in it! Recomm. installing myself or at the dealers? Where would I order the part if I did install myself? Thanks
#46 of 185
m3 shifting by phatcat1
Jul 24, 2006 (8:25 pm)
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hi guys. This may seem like a basic question but I'm new to "performance" cars. I have an 2005 smg m3 and I was wondering what u guys would do to squeeze the best acceleration out of it from a 1) stand still, 2) already moving ie 20 mph. what shift points would u aim for? And is it hard on the tranny and engine? would you downshift into a turn etc. ?
Thanks.
#47 of 185
M3 Tire problem by rpr
Dec 30, 2006 (8:09 am)
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Last summer I installed Kumho ECSTA MX's on my 1998 M3 front and back. It has 65K miles and I put them on about at 37K. I started hearing rumbling noises when the car was rolling a slow speeds about a month ago and the noise recently started getting louder. I put the car on a lift and notices that the inside of the rear and front tires are worn unevenly. Almost chunked up. They have lost of tread left except for the chunked up insides. What has caused the chunking. Is there and alignment problem front and back. The back tires are much worse then the front. Is there something wrong with my suspension? Any suggestions?
#48 of 185
Re: M3 Tire problem [rpr] by kyfdx HOST
Dec 30, 2006 (8:22 am)
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Replying to: rpr (Dec 30, 2006 8:09 am)

I don't have an M3, but 28K miles on the Kumhos signifies that they are just plain worn out..
 
When you started hearing that noise about a month ago... they were probably down to the wear bars.. Now, you are pushing them past their useful life..
 
The Ecstas are a budget summer performance tire.. You actually exceeded the mileage that most people get out of them.
 
As far as the wear patterns? Rear tires on BMWs typically wear faster than the fronts, especially on the inside of the tires. The right rear is probably worn more than the left, as that is the default drive wheel. The front tires usually wear more on the outside, but if your fronts are worn unevenly (between left and right), then you may indeed have some alignment problems.
 
I'd get new tires ASAP along with an alignment.
 
Nice car!!
 
regards,
kyfdx
#49 of 185
Re: m3 shifting [phatcat1] by Mr_Shiftright HOST
Dec 30, 2006 (10:14 am)
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Replying to: phatcat1 (Jul 24, 2006 8:25 pm)

Optimum performance is all about watching your tachometer. There is a "sweet spot" in the tach range that is different for every car, but as a general rule you don't want to "short-shift" (shift before the engine revs have reached the power range), nor do you want to be running up to red line all the time, where you usually don't find the maximum power either.
 
As for downshifting, a good rule is "don't select a lower gear unless you are going to use it for something". Just to power downshift into a stoplight is kinda silly.
 
As for wear and tear, the M3 is a driver's car and unless you are reckless or very sloppy in your shifting, you can't hurt it. Probably the worst things you could do are 'clutch-dumping' (revving the car while stopped and just popping your foot off the clutch in first gear) or "compression-braking", where you downshift without matching the engine revs to the speed of the car...this gives you an abrupt braking action and jars the driveline badly (as well as possibly causing your car to go out of control if it is unbalanced in a turn).
 
With such a great car, you're the kind of owner who would really enjoy, and benefit from, a one-day (or longer) driving course. A few days of training from experts will give you as much performance enhancement as $1,000 worth of equipment!!
#50 of 185
Re: m3 shifting [Mr_Shiftright] by phatcat1
Jan 09, 2007 (7:51 pm)
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Replying to: Mr_Shiftright (Dec 30, 2006 10:14 am)

Thanks for a great answer to such a general question. I'd love to know if anyone has taken any good courses besides the ones offered by BMW. I chose to go for the smg version of the car which makes some things easier, but transitioning in 1st and 2nd are hell for some of my passengers. One of my friends, an S4 driver, says he gets nausea (hahaha!) I still love it though!
#51 of 185
Re: m3 shifting [phatcat1] by Mr_Shiftright HOST
Jan 10, 2007 (10:26 am)
Reply

Replying to: phatcat1 (Jan 09, 2007 7:51 pm)

Lessee...don't you have an automatic mode on that transmission? Maybe you could switch to that to spare your passengers. Could be this is more BMWs fault than yours if the shifts are so rough.

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