Z3 Upgrade |
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Posted: 30-July-2009 at 19:14 |
Update on Z3 Upgrade. Just done a rolling road run with my new Super Sprint exhaust and sports cat 12.8 BHP increase and excellent figures on torque.Power pulleys are winging there way to me as well most likely to be fitted next week, should also have a remap before our trip to Gaydon. Keep you posted. Onno likes POWER. Onno |
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Pete330
Really Senior Member II Joined: 26-November-2003 Location: Aberdeen Status: Offline Points: 8969 |
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superb
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E36 318is coupe, E36 323i coupe, E30 316 saloon, E30 318 saloon, E46 330ci Sport Conv E92 325d M Sport(3.0),With Loads of gadgets Current: 116i Sport F20 |
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gary
Really Senior Member II Just Call me Wendy ;-) Joined: 16-October-2002 Location: Scotland Status: Offline Points: 4263 |
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Where did you get the RR done Onno
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Gary Being a engineer I did go back to Hypertech in Bonnybridge to make sure that I got a like for like. There can be as much as 10 to 20 bhp between dyno readings. So after the next improvement I will go back there so that the readings are all done on the same dyno. |
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BigSix
Senior Member II Joined: 28-July-2009 Location: Ayrshire Status: Offline Points: 155 |
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Air temps can affect on bhp, another tip, is blow your tyres upto 50 or 55 for rolling roads instead of 30 or 32 psi, this will give you less drag on the run down, or flywheel to the wheel power
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Thanks BigSix All this has been done, air temp was 2.5 degree above out side temp could not get it any lower. I thinking of doing the next run early morning when air is cold and dence, maybe we can have a little bit of mist. Onno |
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nero
Moderator Group Just call me Tripod Joined: 15-October-2002 Location: Scotland Status: Offline Points: 3131 |
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BigSix
Senior Member II Joined: 28-July-2009 Location: Ayrshire Status: Offline Points: 155 |
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Onno Who are you going too for the Rolling road, I know Star Performance has got cold chillers and a mist spray for his Rollingroad, also which grade of fuel are you using, Millers octane booster gives you another 2 points to the fuel grade which will take you up to 100Ron or your rich you could visit the BP garage at south queens ferry for the 102Ron which was £2.43 a litre when I got it last year, got luck in the next power run |
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Webdunk
Moderator Group M3 GT Register Joined: 16-October-2002 Location: Central Scotland Status: Offline Points: 5245 |
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Surely that's all a bit futile? Onno's after improvement - he's not trying to 'play the system' to get a false / optimised power figure; he's trying to effect a genuine improvement in output. |
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Bigsix Thanks for the advice but Iam looking for real figures, so that I don,t get left standing by a souped up corsa or the like. Could go to Dastec and do a RR there and the figures will be higher. By going to the same rolling road I can measure the real improvements, this is not to say that the figures are true to the 5 HP but it sure gives me an exact reading after each improvement. See you soon. Thanks again |
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BillyP
Really Senior Member I Joined: 09-July-2009 Location: Renfrew Scotland Status: Offline Points: 298 |
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stephenperry
Bavarian-Board Contributor Joined: 20-April-2004 Location: Elgin Status: Offline Points: 7213 |
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sounds interesting Onno, I meant to ask you at ingliston but forgot - did you own a Z8 a number of years ago or am I getting you confused with someone else?
Edited by stephenperry |
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2007 Ford Mondeo 2.0 TDCI Titanium X Auto 1983 Ford Sierra XR4i 2000 Alpina B10 3.3 #118 1999 BMW 323Ci 1995 BMW 318i SE 1994 Vauxhall Omega 2.0 GLS 1995 Ford Mondeo 1.8 LX 1990 Honda Concerto 1.6 EX 1986 Ford Orion 1.6 GL 1989 Ford Fiesta 1.1 Firefly |
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nero
Moderator Group Just call me Tripod Joined: 15-October-2002 Location: Scotland Status: Offline Points: 3131 |
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Onno - you need to get one of these - BMW Z3 2.0 ECU Piggyback Tuning Modification Device
£25 -> +25 bhp |
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Pete330
Really Senior Member II Joined: 26-November-2003 Location: Aberdeen Status: Offline Points: 8969 |
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That was John |
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Previous:
E36 318is coupe, E36 323i coupe, E30 316 saloon, E30 318 saloon, E46 330ci Sport Conv E92 325d M Sport(3.0),With Loads of gadgets Current: 116i Sport F20 |
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Stephen Never owned Z8 have owned a lot of other models. Onno |
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flying dutchman
Senior Member I Joined: 10-May-2009 Status: Offline Points: 125 |
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Nero Neil Thanks for the post but nobody can tell me that by just putting in a chip you increase your engine by 25 hp. Every engine is different. There is a difference between engines build on different days.When tunning an engine through the ECU you must taken inti account. Injector opening time and length.Airflow.timing, Also CO is very important making sure that the engine is not running to rich or worse to lean making the engine combustion running at to high a temperature with the chance of burning valve and everything wich comes with it. There for tunning on a rr is best because all the fore mentioned points are constantly monitored. |
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BigSix
Senior Member II Joined: 28-July-2009 Location: Ayrshire Status: Offline Points: 155 |
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So which Rolling Road are you using then Onno
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sailorbaz
Really Senior Member II (Former) Scottish Region Wean Joined: 02-August-2003 Location: Northern Ireland Status: Offline Points: 961 |
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Hypertech in Bonnybridge, near Falkirk. |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
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Yeah the wee lad was blowing them up to 45psi and then supposidly re-setting them. All he did on my car was set them back down to nowhere near the correct original pressure and loose my dust caps and then told me that there were none fitted to begin with which got me annoyed because he was talking poo. |
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Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
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Onno Can you let us know what the torque figures are for you car please? I wasn't convinced at all by the torque figures on that RR for mine as it was producing in the region of 33% more torque than the manufacturers claims. Cheers Anderw |
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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