SwedeSpeed - Volvo Performance Forum banner

1 - 9 of 9 Posts

·
Registered
Joined
·
229 Posts
Discussion Starter · #1 ·
I gave my R the first proper opening up session last weekend. In my excitement I got carried away and the revs might have got as high as 6900rpm. Is this to high? Does the R have a rev limiter and at what RPM does it come in? No funny noises or smells, so I assume I have not hurt the motor, all I can say that in advanced the throttle mapping is awesome, if it was not so bumpy I would ride in advanced all day long. She also pulled past the 6000rpm mark very quickly and cleanly, in summary, I am happy with the way my R goes. Just wanna know where those limits are so I dont hurt the motor.
 

·
Registered
Joined
·
10,097 Posts
Re: What is max revs/limiter in the R? (CyberRacer)

6869<p>No problems provided the engine is at operating temperature. <IMG NAME="icon" SRC="http://********************/smile/emthup.gif" BORDER="0">
 

·
Registered
Joined
·
251 Posts
Re: What is max revs/limiter in the R? (Johann)

Not to worry about over-revving. The rev limiter will always be designed to protect the engine from unsafe rpm if the high rpm's are induced by fuel flow. It can never protect against mechanically induced over revving. If you are trying to downshift 5-4 at 75 mph, and you cross the gate and execute 5-2, your engine is probably toast.
 

·
Premium Member
Joined
·
6,526 Posts
Re: What is max revs/limiter in the R? (jelliotlevy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>jelliotlevy</b> »</i></TD></TR><TR><TD CLASS="quote">If you are trying to downshift 5-4 at 75 mph, and you cross the gate and execute 5-2, your engine is probably toast.</TD></TR></TABLE><p>I almost did that the other day! Damn thing wouldn't go into gear and it just felt wrong. I almost disengaged the clutch but knew it didn't go into gear right. Thankfully, the car goes in for service Friday. <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/smile.gif" BORDER="0"><p>How's the new Bimmer treating you?<p>-Eric
 

·
Registered
Joined
·
229 Posts
Discussion Starter · #5 ·
Was on the accelaration so not by downshifting. Few days later and all seems fine. Was just the way she revved up, was very quick so I ended far to close to the 7000rpm mark like I said. Motor was definitely well into the warm zone, I never go past 3500rpm for the first 15 minutes.
 

·
Registered
Joined
·
251 Posts
Re: What is max revs/limiter in the R? (Sue Esponte)

Bimmer is doing okay. It is remarkable how much better performance you can get from 255 hp when your automatic transmission is extremely efficient, and you don't need AWD. I occasionally miss the 'R', but the behavior of the 04-05 GT transmission really is awful compared to BMW Steptronic. It is not just the extra 6th gear of the Step, it is also the greater tightness of the torque converter and more rapid downshifting on demand.<p>Since my garage queen is a Honda S2000 with 6 speed manual, I am aware of the function of a rev limiter, and the dangers of downshifting to the wrong gear. Lots of S2000 engines have died that way. The S2000 has very short throws, a narrow gate and excellent synchros. You can accidentally pop a 5-2 at 75 mph, with the only clue being a bit of additional resistance going into gear. Many S2000 owners report occasions of 'bouncing' off the rev limiter under max acceleration with no harm done. That's a a tad over 9000 rpm on model year '03 and earlier.
 

·
Premium Member
Joined
·
6,526 Posts
Re: What is max revs/limiter in the R? (jelliotlevy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>jelliotlevy</b> »</i></TD></TR><TR><TD CLASS="quote">It is remarkable how much better performance you can get from 255 hp when your automatic transmission is extremely efficient...</TD></TR></TABLE><p>Absolutely! I think BMWs are typically quicker than their numbers might otherwise suggest <i>because</i> of the way they are geared. The only downside tends to be a precipitous drop off in power at higher revs...but that's fine by me. It's pretty much the opposite of your S2k! You've got the best of both worlds in your garage <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/smile.gif" BORDER="0"><p>-Eric
 

·
Registered
Joined
·
326 Posts
Re: What is max revs/limiter in the R? (jelliotlevy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>jelliotlevy</b> »</i></TD></TR><TR><TD CLASS="quote">Bimmer is doing okay. It is remarkable how much better performance you can get from 255 hp when your automatic transmission is extremely efficient, and you don't need AWD. I occasionally miss the 'R', but the behavior of the 04-05 GT transmission really is awful compared to BMW Steptronic. It is not just the extra 6th gear of the Step, it is also the greater tightness of the torque converter and more rapid downshifting on demand.<br></TD></TR></TABLE><p>Bimmer seems to find a way of making that power reach the wheels well, even with an FR setup. How much is reaching the wheels from the 255?
 

·
Registered
Joined
·
63,543 Posts
Re: What is max revs/limiter in the R? (CyberRacer)

My limiter is removed. I saw 7400 once
 
1 - 9 of 9 Posts
Top