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-   -   Rev Limiter? (http://www.maxbimmer.com/forums/showthread.php?t=114594)

Boxer2 12-26-2008 09:25 PM

Rev Limiter?
 
Does anyone know if the e30 came with an optional rev limiter?, more specifically the 1990 325iX.

thanks.

R

SamE30e 12-27-2008 01:10 AM

First.

everlast 12-27-2008 12:12 PM

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).

Chris de la Cruz 12-27-2008 12:34 PM

Quote:

Originally Posted by SamE30e (Post 1243335)
First.

rofl :D

325isdan 12-27-2008 03:25 PM

If you are implying that your car doesnt have a limiter, it has probably been chipped.

SamE30e 12-27-2008 06:30 PM

No, it will still have a limiter unless it's the worst chip in the world.

5thseries 12-27-2008 09:38 PM

You mean the revolutions gauge?

325isdan 12-28-2008 09:44 AM

Quote:

Originally Posted by SamE30e (Post 1243474)
No, it will still have a limiter unless it's the worst chip in the world.

My car has a Dinan Chip and there is no rev limiter or if there is it's past 7.5K rpm.

Boxer2 12-28-2008 01:28 PM

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.

craz azn 12-28-2008 06:42 PM

Quote:

Originally Posted by 325isdan (Post 1243549)
My car has a Dinan Chip and there is no rev limiter or if there is it's past 7.5K rpm.

Impossible. Dinan would never ever sell such a thing.

Stock 325i/iS/iX chips limit at 6400rpm.

e30_kid89 12-28-2008 06:55 PM

lol...his m20 still is in one piece after being r3ved up to 7.5k?

SamE30e 12-28-2008 11:55 PM

Oh man, i've heard of one going 120kmh in 2nd and still living.

davericher20 12-30-2008 12:01 PM

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.

everlast 12-30-2008 12:30 PM

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. :)

BMW BMXer 12-30-2008 02:18 PM

All the people who say their is no rev limiter need etas.


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