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      08-29-2012, 09:19 PM   #67
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Tom you F$%king troll you....still butt hurt about yesterday I see.
nah, just pointing out the obvious
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      08-30-2012, 12:34 AM   #68
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nah, just pointing out the obvious
dude.
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      08-30-2012, 02:02 AM   #69
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ok update for you all.... unfortunately it seems pro-efi/ lutz all of them cant get the ecu to work with our setup :-( im hoping they can workout where the problem is so we can move on with these turbo builds...... i was pretty excited by all of this...

HPF just to let you know, we dont care if the news is good or bad but keep us updated, you have lots of potential customers here, hell we dont mind if its all bad news, its just great to see the effort to make it work.
How did SavSpeed get around the tuning then? How come everyone else can't crack the ECU? What exactly is holding us back? Aren't the superchargers doing just fine even with higher boost levels? They don't seem to have tune issues?
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      08-30-2012, 03:11 AM   #70
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How did SavSpeed get around the tuning then? How come everyone else can't crack the ECU? What exactly is holding us back? Aren't the superchargers doing just fine even with higher boost levels? They don't seem to have tune issues?
savspeed used a motec ecu was it i think??? i dunno....

hmmm well tune issues has been well documented all over the spectrum from s/c to turbo on the z4m... it took ess ages to crack it and perfect it and i can still feel the odd rough patch in certain situations but this can be tuned out at the expense of the aggressive vanos timing (i dont want to loose that).... remember the VF EAS z4m car???? yup.... tune issues, that why we never got an update on it.... that came straight from someone dealing direct with eas, i wont say to much on that one as i dont want to step on toes.

Re the s/c turbo tuning, this is my feeling on it, the s/c can use the stock dme flashed, remember s/c cars can only have a certain amount of boost @ any given point so every single parameter can be "worked" out for the car... turbo??? very different, infinite different parameters at given situations.... so usually a standalone is used to do all the main work leaving the stock ecu to control other things like vanos or t/c or whatever. Saying that if your really a clever bear you can tune the stock DME for turbo applications like mike did on an e46 turbo, possible on the z4ms ecu??? i really wouldn't like to say.

boost isnt really the limiting factor for us, the s54 has shown to be a really strong platform for boost, iron block, forged internals (crank/rods), 11psi nets an easy 500+ rwhp.... from what i can see the ecu is out stumping block, its closely related to the s65 and much more complicated. Obviously within reason, its a high compression motor, so personally on a stock setup i wouldn't really want more than 9-10psi. Many more push more and the cars seem to last.

all in all its an exciting time for the z4m as its really becoming a tuner car, cheap to buy, strong motor.... im hoping this issue will be ironed out soon as id like to run pro-efi on a build motor and go for 12lbs of boost. i will be ordering vt2-550 for my birthday in october in the meanwhile as its available for european owners :-)

Mfanatic, from what ive read/heard from z4m owners with pro-efi, their is a communication issue between the pro-efi and the cars existing setup so it lights up th dash with all sorts codes..... hell it could even be a simple wire mixup, but im guessing thats not the case as jason would have wrapped it up by now... sadly everyone seems to be keeping lips tight RE this issue and doesn't keep us in the loop so we left to GUESS.
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      08-30-2012, 09:45 AM   #71
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It has to do with money- R&D costs. All else being equal, the cheapest product is the one that sells. HPF has to recoup their R&D costs, so why would they share everything that doesn't work with the world (and the competition)? That opens up the possibility of another company coming in and making the same product with less expense. In the end, we lose out too, because companies like HPF don't see it worth their while to invest the time and money into R&D for our vehicles.
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      08-30-2012, 10:05 AM   #72
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damn you guys can write
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      08-30-2012, 07:21 PM   #73
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Originally Posted by pokeybritches View Post
It has to do with money- R&D costs. All else being equal, the cheapest product is the one that sells. HPF has to recoup their R&D costs, so why would they share everything that doesn't work with the world (and the competition)? That opens up the possibility of another company coming in and making the same product with less expense. In the end, we lose out too, because companies like HPF don't see it worth their while to invest the time and money into R&D for our vehicles.
good point, never thought of it like this
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      08-31-2012, 02:59 AM   #74
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It has to do with money- R&D costs. All else being equal, the cheapest product is the one that sells. HPF has to recoup their R&D costs, so why would they share everything that doesn't work with the world (and the competition)? That opens up the possibility of another company coming in and making the same product with less expense. In the end, we lose out too, because companies like HPF don't see it worth their while to invest the time and money into R&D for our vehicles.
i would agree with you but mostly.... but 2 things stick out here.... firstly r & D costs are relatively low as the s54 is widely tuned and most parts are inter-changeable between platforms, also this isnt HPFs issue ;-)

their is a problem with the connection on pro-efi to the car? im not to sure what this has to do with costs??

i guess the cut and dry of it is..... i really want to see this ecu working... once it working, our world will open up massively, turbo or s/c owners.
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      08-31-2012, 03:21 AM   #75
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i really want to see this working!!! can you imagine the possibilities with this car? O.O
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      08-31-2012, 04:40 AM   #76
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I think Pokey hit the nail right on the head in that because we're such small community, we always get out on thr backburner. Whereas the mass-produced E9X M3s--albeit having the same generation of ECU as our cars--are more profitable, so companies are willing to invest the time on cracking those tunes instead.
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      08-31-2012, 06:58 PM   #77
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Originally Posted by mfanatic325 View Post
I think Pokey hit the nail right on the head in that because we're such small community, we always get out on thr backburner. Whereas the mass-produced E9X M3s--albeit having the same generation of ECU as our cars--are more profitable, so companies are willing to invest the time on cracking those tunes instead.
I'm going to make you guys a priority. We have just too much other stuff going on. So I'm hiring more service techs to deal with the daily cars and we will get John back on the Z4M.

Chris.
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      09-23-2012, 03:18 AM   #78
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Hi Chris

Sav been trying to get hold of you. His been calling and emailing no reply from your side. He does not mind helping you out with the Z4m. Maybe hit him an email if u like sav@savspeed.co.za
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      09-25-2012, 06:07 AM   #79
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sav should have some on site experience with Z4M turbocharging and its tuning.
I hope these discussions will bring the Z4M HPF project closer to its goal.
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      09-25-2012, 08:23 AM   #80
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savs using a totally different ECU.... this wont help chris and their issues..... its just going to need time.
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      10-16-2012, 02:51 AM   #81
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come on HPFChris, updates, how's the tuning going for the Z4M ?
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      10-21-2012, 10:48 AM   #82
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yeah what's up?
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      10-21-2012, 11:18 AM   #83
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Originally Posted by HPF Chris View Post
I'm going to make you guys a priority. We have just too much other stuff going on. So I'm hiring more service techs to deal with the daily cars and we will get John back on the Z4M.

Chris.
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      10-21-2012, 11:57 AM   #84
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Originally Posted by HPF Chris View Post
I'm going to make you guys a priority. We have just too much other stuff going on. So I'm hiring more service techs to deal with the daily cars and we will get John back on the Z4M.

Chris.
HPF Chris is full of BS. The few other times I've seen him post on other forums, he's arguing and bashing other members and generally providing horrible customer service. He's definitely not helping his reputation, as we can see with the Z4Ms becoming a "priority".
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      10-22-2012, 03:27 AM   #85
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Come on Chris, updates.

Wow, I would certainly go with a turbo if HPF pulls it off soon enough. I am not super convinced in any of the 3 supercharger companies, ESS, VF and Gpower.
If HPF pulls this off, I might be the first person on this forum to own an HPF Z4M, it will be a stage 2 monster not more though.

I have a roadster and i don't thing i can carry more horses and torque without any expensive body work.

I'm just dying for FI and I can't wait any longer on HPF, it seems that this is gonna take forever.
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      10-22-2012, 11:28 AM   #86
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Come on Chris, updates.

Wow, I would certainly go with a turbo if HPF pulls it off soon enough. I am not super convinced in any of the 3 supercharger companies, ESS, VF and Gpower.
If HPF pulls this off, I might be the first person on this forum to own an HPF Z4M, it will be a stage 2 monster not more though.

I have a roadster and i don't thing i can carry more horses and torque without any expensive body work.

I'm just dying for FI and I can't wait any longer on HPF, it seems that this is gonna take forever.
hmmm tika.... your confusing me know..... so your not convinced by any of the s/c options Yet... your interested in the HPF setup thats got less info than any of the other kits, has been in development for years, chris never posts up about updates??? come on now...... Get the g-power and be a happy man... Are you aware that basar from e46fans picked up a HPF turbo kit for his car and after months STILL hasnt got it working??

have you got supporting mods in place?? brakes,suspension ect ect
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      10-22-2012, 11:52 PM   #87
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Beedub, look at my reasoning:
VF = some e46 blown motor builds have made me scared of this kit,
EAS still having issues, VF not posting up any technical data for me, sent them a mail and still no reply

ESS = refuse to give me the vt2-500 without being installed in house, unless I accept without warranty

Gpower = more expensive than the above, I dunno how drivable is the car, ironZ4M is a little busy these days, not replying on whatsapp, Gpower in Germany wants 7k euros for it, and frankly for the power and the other insane dealer price offers I have from other SC companies, this is more expensive. If EUR/USD spot was any closer to 1, I would have pulled the trigger after some discussion to use the T1-522 instead of T1-518

HPF= turbo build, trusted tuner, just need to wait on John to finish creating the piggy back for the mss70, if they can do that in the next couple of months, I will pull the trigger, but certainly not buy the tuner kit and have tuning hell.

I hope you didn't think I was jumping into HpF, I would never do that, I only buy bolt on reliable crap for my little stress reliever. No point in owning it if it would cause more stress.
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      10-23-2012, 12:08 AM   #88
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I would trust HPF when they say they have a tune.

I have 2 of my friends with ASUKA body kit e46 m3 HPF stage 2 and 3, the cars have motors with 100k miles, are being abused and dragged in hot summer 35 degree weather with no problem.

What HPF offers simply is better than all the rest for the money. If you have ever driven an HpF m3, you will directly realize the refinement put into that kit and how a turbo is meant to be on an s54. On another note, when you drive my friends HPF stage 3 on race fuel + methanol, you will directly realize how much of a sissy girl you are.

Lemme know if anyone is interested in posting up ASUKA HPF m3 pics.

HPF here have a golden chance with the mss70 family, as they can further more refine the experience on the S54 ... They can also use the experience to get an introduction in e92 m3 turbo business maybe as the ecu on that is pretty close to an mss70.
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