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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki |
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#1
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How often do you over-rev?
It seems like every other month I over-rev my car, invoking the limiter.
I've probably done it maybe 5 times. What I've found is that to avoid this unpleasantry, I often shift too early during my power runs just to "make sure" I don't over-rev. I wish I could get a beep or something, like an RX7 I once drove. |
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#2
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If you are revving via the throttle and hitting the rev limiter, then you are not "over" revving, you are simply revving to the limiter.
over-revving (mechanically) would be revving the engine beyond the limiter by mis-shifting. nothing wrong with bouncing off the limiter once in awhile .
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#3
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Quote:
__________________
'08 Z4MC, Interlagos Blue, Black int, CF trim, H&R springs, TMS camber kit w/ -3 deg, 245/275 Nitto NT01 on D Force LTW5 wheels, 245/275 Dunlop Direzzas '01 325i: Orient Blue/black, SP, M stress bar, UUC sways, TMS camber plates, TMS rear sub reinf kit, CAI, Shark, Borla, Dunlop Direzza 245/40/17 on 17x8 O.Z. Superleggeras HPDE instructor, Boston Chapter Autocross Co-chair, Boston Bimmer columnist www.boston-bmwcca.org/bimmer/online.aspx My performance driving site: www.OneHotLap.com |
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#4
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I've never accidently bounced off my limiter. When I've done it, I've done it on purpose.
Alex |
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#5
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I'd say I hit the limiter (that's not over-revving) about 10 times a week. It's always intentional, though.
__________________
2011 1M 2008 MCS 2002 325iT |
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#6
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Never.
-J.
__________________
2004|330ci|Convertible|Silver Grey Metallic|Sport Package|Premium Package|Steptronic|NAV|Xenon Adaptive Headlights|Heated Seats|Black Montana Leather|Aluminum Brushed Column Trim|SSR/GT3 19" Rims (original 18" Style 71's in storage) |
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#7
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As KrisL said, it's not over-revving, but I've hit the rev limiter only at the track, where I can't hear the engine well with the helmet on and the windows open. I've never over-revved (from a missed shift).
__________________
"When you were born, you cried and the world rejoiced. Live your life so that when you die, the world cries and you rejoice." - Cherokee Expression |
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#8
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I wish it was everytime I drove it!!! But, since 07/2004, I've run into the limiter maybe 5 times or so. My daughter (when I was teaching her to drive a stick) downshifted into 2nd instead of 4th once. It sounded pretty bad, but, I don't think she over-revved it. I reached over & just yanked the shifter out of gear without looking at the tach. I don't even remember if we were going that fast.
I do wish the tach was a little different. I wish the redline was a little more towards the 12 o'clock position. When I get going, I have to keep an eye on the tach so I know know when I need to shift. For some odd reason, I can't 'hear' when it's reaching redline yet??? Johnny |
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#9
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__________________
2011 135i M-sport ,6 speed, coral red, HK and ipod. |
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#10
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I rarely "hit" the limiter. I shift right at it though.
Wet roads are fun. |
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#11
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To me, hitting the limiter means you lost acceleration. |
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#12
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#13
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Alex |
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#14
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#15
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#16
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Alex |
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#17
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![]() I may "hit" the limiter, but I don't bounce off it... usually.
__________________
2011 1M 2008 MCS 2002 325iT |
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#18
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[QUOTE=Will_325i]It seems like every other month I over-rev my car, invoking the limiter.
I've probably done it maybe 5 times. Did it once or twice, just wanted to see what would happen. It's fun to take it to the limit.
__________________
04 330ci ZHP 6MT,Jet Black on Black leather, Bun warmer
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#19
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I've hit it once. I'm still used to the sound and feel of my MR2 that I had
for 12 years. This car is just too smooth. I was merging onto I-95 w/ the radio up and I remmber wondering why the car stopped pulling. Then I looked at the dash and saw the tach and "2" for the gear! Someone posted earlier about turning the radio down and getting a louder exhaust. They're right! -C. |
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#20
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"Sweet spot" -
It will depend on the car's torque curve shape and gearing. IMO, the idea is to minimize the total area UNDER the HP curve. If I have to go a bit past the max HP point on the curve so that the upshift would drop me into a spot that minimizes that total area, I would do it. That said, hitting the rev limiter would slow you down enough so it won't pay for itself - you should shift right before you hit at the latest. I only hit the limiter at the autoX when it makes no sense to upshift to third for a second or two and than having to downshift again into 6K rpms or so...
__________________
'08 Z4MC, Interlagos Blue, Black int, CF trim, H&R springs, TMS camber kit w/ -3 deg, 245/275 Nitto NT01 on D Force LTW5 wheels, 245/275 Dunlop Direzzas '01 325i: Orient Blue/black, SP, M stress bar, UUC sways, TMS camber plates, TMS rear sub reinf kit, CAI, Shark, Borla, Dunlop Direzza 245/40/17 on 17x8 O.Z. Superleggeras HPDE instructor, Boston Chapter Autocross Co-chair, Boston Bimmer columnist www.boston-bmwcca.org/bimmer/online.aspx My performance driving site: www.OneHotLap.com |
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#21
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Quote:
Exactly. The moment you shift you are no longer at max HP, but it's a compromise to keep the upshift closer to the max HP point as possible. Maybe the confusion between BahnBaum and myself is about "sweet spot". To me, it means the point of max HP. |
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#22
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Either that, or it was my failure to Just Say No in college..... Alex |
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#23
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Yes, I hit the rev-limiter often, especially when I see this sign
__________________
"Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes." |
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#24
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Quote:
__________________
'08 Z4MC, Interlagos Blue, Black int, CF trim, H&R springs, TMS camber kit w/ -3 deg, 245/275 Nitto NT01 on D Force LTW5 wheels, 245/275 Dunlop Direzzas '01 325i: Orient Blue/black, SP, M stress bar, UUC sways, TMS camber plates, TMS rear sub reinf kit, CAI, Shark, Borla, Dunlop Direzza 245/40/17 on 17x8 O.Z. Superleggeras HPDE instructor, Boston Chapter Autocross Co-chair, Boston Bimmer columnist www.boston-bmwcca.org/bimmer/online.aspx My performance driving site: www.OneHotLap.com |
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#25
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Quote:
__________________
"Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes." |
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