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      08-18-2008, 11:18 PM   #1
iwugolf
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Hitting the Rev Limiter

*Flame Suit On*

I was pulling out into traffic today and in first gear went deep into redline (), at least im assuming because my car cut power and I looked down and I was at around 7300 i think. I mean i would assume they would put the rev limiter low enough to prevent any damage. Anyway, I know im retarded, but how bad is this if bad at all?
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      08-18-2008, 11:24 PM   #2
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Quote:
Originally Posted by iwugolf View Post
*Flame Suit On*

I was pulling out into traffic today and in first gear went deep into redline (), at least im assuming because my car cut power and I looked down and I was at around 7300 i think. I mean i would assume they would put the rev limiter low enough to prevent any damage. Anyway, I know im retarded, but how bad is this if bad at all?
don't worry everything is fine
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      08-18-2008, 11:25 PM   #3
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Nothing to worry about... Unless you tend to do it everyday
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      08-18-2008, 11:28 PM   #4
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your engine will 'splode soon.......

if you did it once.....no biggie........twice.......it's ok.......three time........hmmm.........more......o_o what happened after the first three??
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      08-18-2008, 11:29 PM   #5
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Quote:
Originally Posted by iwugolf View Post
*Flame Suit On*

I was pulling out into traffic today and in first gear went deep into redline (), at least im assuming because my car cut power and I looked down and I was at around 7300 i think. I mean i would assume they would put the rev limiter low enough to prevent any damage. Anyway, I know im retarded, but how bad is this if bad at all?
yea, shouldn't be an issue unless its like a reg occurence.

and u dont really hav to rev the engine so high ne wayz. do u notice beyond 5k rpms there isn't much of a pull?
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      08-18-2008, 11:49 PM   #6
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^His car is a 328. It's different.

Anyways, yea it shouldnt be a problem. no worries
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      08-18-2008, 11:56 PM   #7
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Like every car it picks up as your RPM goes up. Each car just exellerates differently. You shouldn't be on first for long anyways.
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      08-19-2008, 12:07 AM   #8
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Don't worry... as long as the engine is already warmed up, you can do it all day long.

Just don't do the money shift!
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      08-19-2008, 12:12 AM   #9
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Quote:
Originally Posted by visor View Post
Don't worry... as long as the engine is already warmed up, you can do it all day long.

Just don't do the money shift!
err, maybe im retarded too, but what is a money shift
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      08-19-2008, 12:34 AM   #10
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Quote:
Originally Posted by kiddo View Post
^His car is a 328. It's different.

Anyways, yea it shouldnt be a problem. no worries
oh....i didn't notice that. sorry OP! thanx kiddo for the headsup
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      08-19-2008, 12:35 AM   #11
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so screwed.....
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      08-19-2008, 12:36 AM   #12
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Quote:
Originally Posted by 335xiMTL View Post
err, maybe im retarded too, but what is a money shift
That's when the engine is mechanically over-revved past the electronic rev limiter (usually by accident of course!). You only have to worry about this if you're driving a MT... for example, wanting to downshift from 5 to 4, but in the rush, accidentally get it into 2.

Hopefully, if the error is caught fast enough, the valves and pistons don't encroach on each other.
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      08-19-2008, 12:57 AM   #13
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Quote:
Originally Posted by visor View Post
Don't worry... as long as the engine is already warmed up,

Just don't do the money shift!
+1

I read somewhere (can't find the source) that a BMW engineer was quoted as saying "the engine can easily do 8000rpm without any modifications" so even if you hit the fuel cutoff (which is well below 8000rpm) there should be no issues.

I wouldn't bounce the engine off the redline on purpose for extended periods of time, but your incident doesn't sound like a bit deal at all
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      08-19-2008, 01:57 AM   #14
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Bring it to BMW quick, you might have wrecked the titanium inhibitor of rust in the engine...cylinder(s)?

J/K, you're fine.
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      08-19-2008, 08:39 AM   #15
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Good to go.

The first day I had my car I miss-shift a couple of times and shot the revs to 7K+. That was with less than 100 miles. Hey it was my first day learning a manual tranny.
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      08-19-2008, 06:42 PM   #16
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Just replace your piston return spring and you'll be good to go...

Seriously though,

Hitting the rev limiter while accelerating is fine, you'll just look & feel like a noob, but that's what it's there for.
However over-revving while down-shifting/decelerating, not so much. That's how you blow up your engine.
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      08-19-2008, 06:55 PM   #17
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ive hit 8500 rpm on my 328i when i first got it. money shift i jumped timing after they fixed that for free it was back to new again

this engine sometimes does some weird stuff the jumpy idle and all but its a great engine
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      08-20-2008, 09:37 AM   #18
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Quote:
Originally Posted by 335xiMTL View Post
err, maybe im retarded too, but what is a money shift
Money shift???????? Anybody???
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      08-20-2008, 09:57 AM   #19
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Your alright. ive done it twice in my 545 on accident. no worries
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      08-20-2008, 10:06 AM   #20
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Quote:
Originally Posted by Pappy View Post
Money shift???????? Anybody???
Visor explained it above.
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      08-20-2008, 10:48 AM   #21
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i heard there was an M3 did the money shift and need to replace the motor???
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      08-20-2008, 10:53 AM   #22
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yeah, i did it once.......no biggie
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