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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 10-15-2012, 09:24 PM
Titan_Omega Titan_Omega is offline
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Location: Reno, NV
 
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Mein Auto: 89 325iX and 97 328is
small but light extra HP boost ??????

With my car when i give it the beans i notice when i stay steady at around id say 3000RPM it goes then it feels like it gets about 5-10 extra HP for a second im not exactly sure but its like going steady then you vary slightly push the gas a little more just a hair then back but my car dose that every time can anyone tell me what that is?

my car is a 1986 325 2.7L Not stroked its just the M20B27 with 300,000 miles
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  #2  
Old 10-16-2012, 01:36 AM
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Nick323 Nick323 is offline
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Mein Auto: 323i E30 2-door
What happens to the fuel pressure when you do this ?
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  #3  
Old 10-16-2012, 09:40 AM
Titan_Omega Titan_Omega is offline
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Mein Auto: 89 325iX and 97 328is
Quote:
Originally Posted by Nick323 View Post
What happens to the fuel pressure when you do this ?
to be honest i cant tell you im not sure at all it dosnt do that when i just keep the revs at 3000 or more only when im going down the road
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  #4  
Old 10-16-2012, 11:10 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
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Mein Auto: E23;E30;E38;E32;E34 +
My E23 does the same - feels like power boost - I just enjoy it
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  #5  
Old 10-17-2012, 07:32 AM
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Newman271 Newman271 is offline
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Location: Cincinnati, OH
 
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Mein Auto: 99' 540i M-Sport
Mine does the same thing.. Your just in the power band for the motor. Honda's have this too but they need v-tec to feel it like we do lol.
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  #6  
Old 10-17-2012, 07:21 PM
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downhiller downhiller is offline
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Mein Auto: 2012 hypermotard 796
its just the timing being at a better tune. i cant remember if these have an auto advance on them but what ends up happening is at a certain rpm/engine load the timing becomes spot on giving better performance. also sounds like you may need to do a tune up. i have had a couple cars that it felt like that and the spark plugs needed to be changed
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  #7  
Old 10-19-2012, 08:23 AM
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Newman271 Newman271 is offline
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Location: Cincinnati, OH
 
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Mein Auto: 99' 540i M-Sport
http://strictlyeta.net/pictures/dyno...dyno_sheet.jpg

It actually looks like about 2500 rpm is where we should start feeling the power.. up to about 3500 rpm.
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1999 540i M-Sport
Silver/Black
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1985 335i
Black on Black coupe 5spd
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KOI Import Parts-- 513-771-7777
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  #8  
Old 10-19-2012, 04:30 PM
Titan_Omega Titan_Omega is offline
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Location: Reno, NV
 
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Mein Auto: 89 325iX and 97 328is
oh ok awesome thanks guys im trying to get my car to its former glory and im just figuring out all the little things that need my attention.
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  #9  
Old 10-19-2012, 10:38 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
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Mein Auto: E23;E30;E38;E32;E34 +
Now you have one item that doesn't!!
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Current:
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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