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      02-18-2013, 04:30 PM   #1
MTROUBLE93
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Question about reving engine

Hey guys so I was listening to my exhaust and reving up my car and I noticed that my car stops me at around 7k rpms.. I thought my rev limiter was at 85k. I hit red line all the time while driving but why does it stop me at 7 while stopped ?? Strange ..
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      02-18-2013, 04:34 PM   #2
kscarrol
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Talks about this in the manual, redline at a stand-still is around 7k rpm...

Edit: Here it is, pg 52 of the M3 supplemental manual... "Because of the powerful engine dynamics, the maximum engine
speed is limited to 7,000 rpm when the vehicle is stationary."
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      02-18-2013, 04:52 PM   #3
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Because its not a good idea to rev your engine that high without any load.
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      02-18-2013, 04:52 PM   #4
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M trouble indeed.
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      02-18-2013, 04:52 PM   #5
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Quote:
Originally Posted by kscarrol View Post
Talks about this in the manual, redline at a stand-still is around 7k rpm...

Edit: Here it is, pg 52 of the M3 supplemental manual... "Because of the powerful engine dynamics, the maximum engine
speed is limited to 7,000 rpm when the vehicle is stationary."
Concur
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      02-18-2013, 06:52 PM   #6
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If you clutch in and put the car in gear you can rev to redline.
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      02-18-2013, 07:17 PM   #7
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Keep it up and you will be real "Mtrouble." Lol. Don't be like this guy.


Sorry folks, I keep posting this video, but its a keeper and he is a new member. LOL.
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      02-18-2013, 07:18 PM   #8
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What is this 85K rev limit you speak of?
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      02-18-2013, 08:34 PM   #9
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Don't rev your engine that high while at a standstill, OP. Hell I probably wouldn't even go past 5.5K, and even then just a throttle blip, not holding the throttle down. Not only is it bad for an engine to rev like that without any load as others have mentioned, but keep in mind you're revving the engine without any airflow being pushed into the intake the way it normally would be when your engine was revving that way from your car actually moving forward.
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      02-18-2013, 08:44 PM   #10
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Quote:
Originally Posted by Peahi View Post
Keep it up and you will be real "Mtrouble." Lol. Don't be like this guy.


Sorry folks, I keep posting this video, but its a keeper and he is a new member. LOL.
This should be a tire commercial. Sticky tires.
T
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      02-18-2013, 10:25 PM   #11
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Quote:
Originally Posted by Chriskm3 View Post
This should be a tire commercial. Sticky tires.
T
My best guess as to how this was done is constant clutch slipping with the handbrake completely engaged. I just can't believe anyone was dumb enough to do that and think they were doing a burnout.
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      02-18-2013, 10:29 PM   #12
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Quote:
Originally Posted by Team Plutonium
Keep revving the engine... it takes about an hour to get to and over the 8K mark.
And make sure to tell us your vin. It will save a troubleshooting post down the road.
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      02-18-2013, 10:58 PM   #13
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Keep revving until you see your valves dancing on your hood. Then let off.
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      02-18-2013, 11:09 PM   #14
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      02-18-2013, 11:23 PM   #15
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Quote:
Originally Posted by Chriskm3 View Post
This should be a tire commercial. Sticky tires.
T
EPIC FAIL

"Those were not the tires" one says as they all circle the car scratching their heads..

Cant smell the difference between smoked tires and smoked clutch? smh
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      02-18-2013, 11:44 PM   #16
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      02-18-2013, 11:59 PM   #17
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I'm sure your neighborhood has a high opinion of you.
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      02-19-2013, 12:42 AM   #18
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Quote:
Originally Posted by MTROUBLE93 View Post
Hey guys so I was listening to my exhaust and reving up my car and I noticed that my car stops me at around 7k rpms.. I thought my rev limiter was at 85k. I hit red line all the time while driving but why does it stop me at 7 while stopped ?? Strange ..
For a more technical answer
http://www.eng-tips.com/viewthread.cfm?qid=304710

No load revving is bad for the engine
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      02-19-2013, 12:57 AM   #19
MTROUBLE93
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May be a stupid question excuse my ignorance but what is a "load" and I don't usually rev it but today I just wanted to listen to it.
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      02-19-2013, 12:59 AM   #20
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Quote:
Originally Posted by MTROUBLE93 View Post
May be a stupid question excuse my ignorance but what is a "load" and I don't usually rev it but today I just wanted to listen to it.
Oh my..
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      02-19-2013, 01:11 AM   #21
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Quote:
Originally Posted by Team Plutonium View Post
Ask your mom.
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      02-19-2013, 02:12 AM   #22
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Quote:
Originally Posted by Team Plutonium
Quote:
Originally Posted by MTROUBLE93
May be a stupid question excuse my ignorance but what is a "load" and I don't usually rev it but today I just wanted to listen to it.
Ask your mom.
Lol. You guys are brutal! Funny as hell tho'
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