Hi people,

I have posted up in the SW section, but I guess as the day will be more MPower orientated, I would post it here too.

Venue: Circuit Motors Ltd.

Address: B4039, Castle Combe, Nr Chippenham, Wiltshire, SN14 7HB

Date & Time: Saturday 04th April 2009 at 9-9.30am

Cost: £40 for 2 runs and a third if those 2 are not consistent (rare).

What you get: To meet and see other like minded people and thier cars being ran up on the dyno. You get a graph of power and torque with a wealth of information from a seperate compound report which includes AFR's and Boost if you have a turbo car. The graphs and reports will include all runs carried out.

There are 3 E28 M5's already commited to the day, and some mutterings from some others who have shown interest. There is no upper or lower limit to numbers and you will pay on the day, no deposits required.

The rolling road is the latest Dastek 4WD dyno which is regarded by top tuners (including me) as being the most sensitive, accurate and repeatable rolling road out there today.

Any questions, please pm me or reply to this thread

Paul.

Guys

The Scottish arm of BMWCC organised a dyno run with a mixed bag of results.

The E39 M5s and some of the M3s didn't like the road and my automatic E60 changed gear and upset my power graph.  The RR owner had said that M cars and autos shouldn't be a problem....

Report on the day http://www.bavarian-board.co.uk/forum_posts.asp?TID=44267&PN=1 - here

Organisation thread http://www.bavarian-board.co.uk/forum_posts.asp?TID=43862&PN=2 - here

Hopefully you have better luck on your day.  The E28 M5 should be better, with less electrical gizzmos in them to get upset and cut the engine power.

I'll look out for the results.

All the best with it

Andrew

Andrew Rolland wrote: Guys The Scottish arm of BMWCC organised a dyno run with a mixed bag of results. The E39 M5s and some of the M3s didn't like the road and my automatic E60 changed gear and upset my power graph.  The RR owner had said that M cars and autos shouldn't be a problem.... Report on the day http://www.bavarian-board.co.uk/forum_posts.asp?TID=44267&PN=1 - here Organisation thread http://www.bavarian-board.co.uk/forum_posts.asp?TID=43862&PN=2 - here Hopefully you have better luck on your day.  The E28 M5 should be better, with less electrical gizzmos in them to get upset and cut the engine power. I'll look out for the results. All the best with it Andrew

Atleast I am not associated with these guys..... I've heard that they say thier dyno is the "heartbreaker" for real power outputs

I also know a club cancalled the day half way through the day as there were 6 or 7 cars which made nowhere near standard figures and they asked for and got a refund. All went to another close by dyno and all were extremely happy with as expected figures..

I suspect these guys don't quite know how to use the dyno properly yet. By the feedback on the other link, they seem a nice bunch of guys, but if there is a pattern of this appearing, which there seems to be, getting back lost custom like that is hard. Certainly some of the M' Powered cars need to be put into dyno mode, which can be tricky occassionally, but generally it's pretty easy to do.

Interesting.

How do you put an M Powered car in dyno mode? 

I was supecting that the car would need to be 'told' that it was on a set of rollers.

Does anyone know if an automatic E60 has a dyno mode?

Andrew

Andrew Rolland wrote: Interesting. How do you put an M Powered car in dyno mode?  I was supecting that the car would need to be 'told' that it was on a set of rollers. Does anyone know if an automatic E60 has a dyno mode? Andrew

I have it written down somewhere, will need to look it out. You can certainly put it into dyno mode with Autologic.

I can't answer the E60 question as I havn't tried it myself, but I am sure there are means and ways around it.

thepits wrote: SHEPSM3 wrote: some of the M' Powered cars need to be put into dyno mode, which can be tricky occassionally, but generally it's pretty easy to do. especially on an E30 M3 - isn't that in "dyno-mode" all the time?

Certainly is

SHEPSM3 wrote: thepits wrote: SHEPSM3 wrote: some of the M' Powered cars need to be put into dyno mode, which can be tricky occassionally, but generally it's pretty easy to do. especially on an E30 M3 - isn't that in "dyno-mode" all the time? Certainly is

mine deffo is..i might pop over Paul, if the arms upto it, let you know mid week

LOL Uwe!!

Nick, would be great to see you again, I am in the middle of another conversion, same spec as your's except has cams too.... After dynoing it yesturday with the AFM still in place, when you see the results of that, you will WANT cams (oh and bigger TB's) lol

Paul.

Hoover wrote: Mmmm..may not be a good thing for me, not sure how much harder i could push my hi miler

Nick, yours is much lower mileage in comaprison

oooh!  interested Paul.

what about the TBs tho mate, doesnt that mean new carbon?

Hoover wrote: oooh!  interested Paul.   what about the TBs tho mate, doesnt that mean new carbon?

The car in question has done upwards of 160k MILES, but is standard with exception of a Miltek exhaust, Schrick 284 inlet and Sport Evo 272 exhaust cam, with Miltek and makes 222/223 bhp and 183ftlbs before removing the AFM. It also has 49mm TBs fitted but to a standard head, so I didn't think this would make much, if anything difference.

But, I could be wrong, as the car only made 180/185bhp before that work albeit on a different dyno, I doubt the extra bhp was all down to the cams.

Will keep you posted with the results.

We would have to measure the airbox to see how it will measure upto the 49mm TB's as it may not be too far off? But the one fitted to the above car is a 48mm airbox which was not supplied by the usual route, not ideal, but we'll see how it ends up.  Also, there is less volume than the one you have.

keep me posted Paul, did you fit the cams. i would be interested in that as i can see that being doable without changing lots of other stuff particularly what we (you ) have already done mate.

Hoover wrote: keep me posted Paul, did you fit the cams. i would be interested in that as i can see that being doable without changing lots of other stuff particularly what we (you ) have already done mate.

Nick, I didn't fit the cams.. these were fitted by the owner and set to manufacturers settings with the dowel in place... apparently.

So, 222/223 bhp with AFM fitted. 239/240 bhp with CF airbox and Unichip

EDIT: I relied (stupidly) on the cars rev counter to calibrate the dyno roller speed to engine RPM. As the rev counter was 300-350 rpm out, the initial torque figure is inaccurate. But like for like, the torque figure ended up at 195 ftlbs. So there was around a 12-15 ftlbs increase. But with the dyno roller speed calibrated correctly, the torque is 181 ftlbs. Power remains the same. So before torque would have been around 166-169 ftlbs before the AFM was removed.

mboon wrote: OK a question for you guys, I have a E36 M3 Saloon 3.0 with a 5 speed manual box, if I went to any rolling road (not BMW specific) would there be anything they would have to do in order to get a reading? or would it go straight on, run up and be fine? Never took a car on the rollers and would like to know if using the one down the road at a tunners is not going to cause any problems to my car?

This depends on the dyno as opposed to them being BMW specific or not. On our Dastek I can run a 3ltr E36 M3 with just the front wheels chocked, whereas the Dyno Dynamics you would have to put the pull down contraption on the rear lower arms which if done up too tightly can give lower readings. Also, with rollers wider apart than thers will give less power at the wheels, but it the dyno carries out a coastdown, then this will be measured and cancelled out.

FWIW, I do the runs in 4th gear. Hope this helps.

Nick, I am not looking to stay on much longer than 2.30/3.00.

Wow, I've just noticed this is an important topic!

Thanks moderators

SHEPSM3 wrote: Wow, I've just noticed this is an important topic! Thanks moderators

now then, remind me...

whose E30 M3 was it that gave 176bhp after 20 years?

thepits wrote: SHEPSM3 wrote: Wow, I've just noticed this is an important topic! Thanks moderators no problem - of course it is -   now then, remind me... whose E30 M3 was it that gave 176bhp after 20 years?

That would have been your old car Simon! 

thepits wrote: SHEPSM3 wrote: That would have been your old car Simon!    Uh-oh, what have I let myself in for? :O what indeed?

I'll start a journal soon, so you can read all about it

leeyn wrote: I've heard that they say thier dyno is the "heartbreaker" for real power outputs.....

Never, ever have said that. But I know other tuning centres that have.