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12-26-2008, 09:25 PM
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#1
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A true enthusiast
Join Date: Nov 2008
Location: Simcoe, On, Canada
Posts: 683
Car: E24E28E30E34E38E53
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Rev Limiter?
Does anyone know if the e30 came with an optional rev limiter?, more specifically the 1990 325iX.
thanks.
R
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12-27-2008, 01:10 AM
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#2
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6th Gear Member
Join Date: Jul 2007
Location: Milton
Posts: 2,805
Car: Worlds slowest E30
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First.
__________________
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
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12-27-2008, 12:34 PM
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#3
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sex, drifting & punk rock
Join Date: Sep 2003
Location: markham
Posts: 5,742
Car: E30 325i
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Quote:
Originally Posted by SamE30e
First.
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rofl 
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12-27-2008, 12:12 PM
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#4
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if I lived . I would be ~
Join Date: Mar 2004
Location: Ottawa
Posts: 5,802
Car: e30 with e91 beater
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What do you mean by optional? The rev limiter is in the ECU, and you likely have a 173 ECU which has the same rev limiting options as every other M20B25 motor, around 6750 (IIRC).
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12-27-2008, 03:25 PM
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#5
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5th Gear Member
Join Date: Jun 2007
Location: GTA
Posts: 1,005
Car: 89 325izle - 95 318i
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If you are implying that your car doesnt have a limiter, it has probably been chipped.
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12-27-2008, 06:30 PM
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#6
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6th Gear Member
Join Date: Jul 2007
Location: Milton
Posts: 2,805
Car: Worlds slowest E30
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No, it will still have a limiter unless it's the worst chip in the world.
__________________
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
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12-28-2008, 09:44 AM
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#7
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5th Gear Member
Join Date: Jun 2007
Location: GTA
Posts: 1,005
Car: 89 325izle - 95 318i
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Quote:
Originally Posted by SamE30e
No, it will still have a limiter unless it's the worst chip in the world.
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My car has a Dinan Chip and there is no rev limiter or if there is it's past 7.5K rpm.
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12-28-2008, 06:42 PM
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#8
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6th Gear Member
Join Date: Feb 2004
Location: Port Perry
Posts: 7,115
Car: God's Chariot
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Quote:
Originally Posted by 325isdan
My car has a Dinan Chip and there is no rev limiter or if there is it's past 7.5K rpm.
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Impossible. Dinan would never ever sell such a thing.
Stock 325i/iS/iX chips limit at 6400rpm.
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12-27-2008, 09:38 PM
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#9
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biggerthen3
Join Date: Jun 2008
Location: Brampton
Posts: 726
Car: 525i
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You mean the revolutions gauge?
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12-28-2008, 01:28 PM
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#10
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A true enthusiast
Join Date: Nov 2008
Location: Simcoe, On, Canada
Posts: 683
Car: E24E28E30E34E38E53
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What was happening is that sometimes around 5500 rpm the engine would cut out....I'm thinking more than likely it is a faulty distributor cap as I have encountered this issue in a few other e30s.
R.
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12-28-2008, 06:55 PM
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#11
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The Afro-stig
Join Date: Nov 2005
Location: TDot West End
Posts: 4,527
Car: Is Fast. ;)
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lol...his m20 still is in one piece after being r3ved up to 7.5k?
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12-28-2008, 11:55 PM
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#12
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6th Gear Member
Join Date: Jul 2007
Location: Milton
Posts: 2,805
Car: Worlds slowest E30
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Oh man, i've heard of one going 120kmh in 2nd and still living.
__________________
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
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12-30-2008, 12:01 PM
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#13
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black and blue
Join Date: Dec 2006
Location: 2 storey 3 bedroom 1 car garage
Posts: 3,386
Car: ix touring
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yeah, I don't know either, I've missed 2nd a couple times and it didn't sound like I had a limiter, it didn't feel like it either. It was heart wrenching.
So Sad.
Lol, I need to find out more shit on my car, I'm gonna come out to a meet in the summer and get some advice.
But I seriously don't think I have a limiter.
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 1989 325 IX Touring 
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12-30-2008, 12:30 PM
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#14
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if I lived . I would be ~
Join Date: Mar 2004
Location: Ottawa
Posts: 5,802
Car: e30 with e91 beater
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Seriously, you do. It's not something can be removed, its built in to the ECU.
Your limit might be higher if you have an aftermarket chip, ie 7K. Most people never rev their car near that high, so when you do its surprising how high it really is.
Keep in mind that you can still mechanically over-rev your motor by downshifting to an inappropriate gear. Think highway speed to 2nd.. no amount of cut spark will stop that from over revving.
Just get your motor warm and floor it, you'll hear the rev limiter. 
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12-30-2008, 02:18 PM
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#15
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Wants a 350 Blazer.
Join Date: Mar 2002
Location: Mississauga
Posts: 7,786
Car: 1985 325e
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All the people who say their is no rev limiter need etas.
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