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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Mon, Mar-24-2008, 01:28:46 AM   #31
floorguy
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Default Fuel pump malfunction

It seems I am not the first to have a fuel pump issue. Mine went out on Friday after 521 miles on the car. To top it off, it took BMW Assist 2 hours and 30 minutes to send a tow truck. I am still waiting to understand what happened. The first guy tried to explain to me that it had something to do with the gas tank being split into two sections and the gas not moving freely between the two, which caused one of the fuel pumps to dry out and overheat. Apparently the gasoline helps keep the pump cool. I'm not enough of an automechanic to know if that explanation is meaningful. The part I do understand is that it sounds like I won't get my car back before at least Wednesday, since they need to have conversations with and order parts from the folks in Germany. I'll post an update as I learn more.
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Old Tue, Mar-25-2008, 12:26:31 AM   #32
IcemanG17
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Originally Posted by floorguy View Post
It seems I am not the first to have a fuel pump issue. Mine went out on Friday after 521 miles on the car. To top it off, it took BMW Assist 2 hours and 30 minutes to send a tow truck. I am still waiting to understand what happened. The first guy tried to explain to me that it had something to do with the gas tank being split into two sections and the gas not moving freely between the two, which caused one of the fuel pumps to dry out and overheat. Apparently the gasoline helps keep the pump cool. I'm not enough of an automechanic to know if that explanation is meaningful. The part I do understand is that it sounds like I won't get my car back before at least Wednesday, since they need to have conversations with and order parts from the folks in Germany. I'll post an update as I learn more.
This is very interesting....assuming the fuel pump works like the Bosch pump on my Porsche...the fuel does "cool" the pump kinda odd, but seems to work well....

However a pump failing after only 521 miles is totally unacceptable....the dual zone tank causing one to ingest air and overheat does make sense...but still is unacceptable in my mind..... Sometimes when the fuel cooled pumps on older 911's run dry they actually EXPLODE!!
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Old Tue, Mar-25-2008, 01:15:46 AM   #33
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Good news. I got my car back today. Despite the initial explanations I received, the real problem was with a connector that had become disconnected due to a broken clasp. An easy fix. I'm back on the road!
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Old Tue, Mar-25-2008, 05:38:23 AM   #34
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Good news. I got my car back today. Despite the initial explanations I received, the real problem was with a connector that had become disconnected due to a broken clasp. An easy fix. I'm back on the road!
This is good news!!!
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Old Tue, Mar-25-2008, 06:34:05 AM   #35
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No M3, but our 335 has had zero problems. No complaints here!

However, my E46 M3 gets a new rattle every other week???
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Old Sun, Mar-30-2008, 02:48:17 PM   #36
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I have a 2008 M3 on order but I am reconsidering based on these posts. I am very disappointed that after all the hype that this car could have been better tested. What does BMW have to say about all this? How is there customer service towards you should these isssues arise? Any information is appreciated. Regards...
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Old Thu, Apr-17-2008, 08:16:53 AM   #37
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Default E92 M3 Sedan Engine "whistling"

I just purchased my 2008 BMW E92 M3 Sedan a week ago, and it's developed a noticeable "whistling" sound from the engine over the course of the past few days (it sounds like a turbocharger). It's definitely noticeable in any gear or at any speed (particularly at lower speeds, as higher RPMs and road noise tend to drown it out) -- and definitely tied to acceleration (more = higher whistle).

It became noticeable enough to be heard over the stereo and was definitely audible when standing outside the vehicle (it was fairly loud with the hood open). A fairly audible "clicking" sound also accompanied it (much louder than any normal 'clicking' one might expect to hear).

Having heard the engine (from inside and outside) prior to purchase, I can state that this is *definitely* something that's developed. I'm taking it into the local BMW dealer tomorrow to hopefully shed some light on the situation.

I've read a few posts that seem to describe a similar situation, and they seem to range from oil levels to fuel pumps. Has anyone else experienced a similar situation where the noise just went away?
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Old Mon, Apr-28-2008, 04:34:31 PM   #38
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...I've read a few posts that seem to describe a similar situation, and they seem to range from oil levels to fuel pumps. Has anyone else experienced a similar situation where the noise just went away?
Dealer said the whine was normal, but I agree that it is pretty loud. In 200 miles I will have it in for the 1st service. I'll have them check it out again. Maybe they will remove the "temporary referee whistle" they put in the motor to scare you from driving over break-in speeds.

Actually, you get kind of used to it and it doesn't really bother me any more. I passed a guy at about 5500 RPM (still under break-in miles) in third gear and then he pulled up next to me at a light and said "Damn, I thought that was a satellite flying by me!"
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Old Sat, May-03-2008, 06:28:25 AM   #39
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had mine for 600 or so miles and all is great. love the car... hopefully it stays that way!
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Old Sat, May-03-2008, 05:05:50 PM   #40
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Quote:
Originally Posted by floorguy View Post
Good news. I got my car back today. Despite the initial explanations I received, the real problem was with a connector that had become disconnected due to a broken clasp. An easy fix. I'm back on the road!


we go from exploding engine theory to a loose connector, 5 minute fix
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Discussing e92 M3 mechanical issues... in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)