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BMW 3-Series (E90 E92) Forum
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Pure Turbos N55 single turbo upgrade
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05-07-2014, 02:52 PM | #246 |
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http://www.car-videos.net/performanc...=60&Speed2=120" rel="nofollow" target="_blank">http://<a href="http://www.car-video...Speed2=120</a>
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05-07-2014, 03:33 PM | #247 |
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Drives: BMW F80 M3
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dyno results
Hi Guys,
As promised some dyno results. Let me start by saying that I am impressed with the results. The car pulls much stronger towards 6500 rpm. And the difference with stock turbo with meth on map3 with 40 meth adder is huge. Allthough the car was not making the same boost as it makes consistently on the street and jb4 target was not doing what I set it to (I guess heat issue) the best result was 446 bhp and 647nm. So the max boost dyno was actually not reaching the target. Hence my daily boost map is close to the result of the max boost map. I also dynoed on 15 psi boost map for reference and while midrange is about 20/30 bhp less, topend is still pretty strong. Compare between max boost, daily map and lower boost runs: JB4 logs of the above runs: MAX Daily 15 psi And for reference the csv's as well: http://users.telenet.be/darkhold/pure_daily.csv http://users.telenet.be/darkhold/pure_max.csv http://users.telenet.be/darkhold/pure_15psi.csv As you can see the car was not quite matching the high boost map. However on the street it can match these boost levels consistently. So maybe this means a few more bhp real world Compare between max boost, stock map3 40 meth adder and stock: Unfortunately the stock map3 was not till redline but as you can see bhp goes downhill after 5600 rpm. JB4 log of the map3 run: And the csv: http://users.telenet.be/darkhold/stock_map3.csv Overall I couldnt be happier with the result. Comparing stock, map3 meth and the pure turbo there really is a big difference. Any questions ---> shoot |
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05-07-2014, 03:57 PM | #248 |
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WOW! Very nice results! I would assume the lowered boost pressures on the dyno are from heat soak and higher intake air temps. We always have a difference on and off the dyno. 100+ mph winds cool the intercooler very well
For example, our 1970 2800cs E9 Turbo made 415whp on the dyno. We did a street tune before the dyno session. It was tuned perfectly at 11.8:1. After strapping it down, it ran consistently at 11.0:1. So things change on and off the dyno. The dyno never loads the engine exactly the same as the street. And temps are different too... N55 PURE Stage 1 - 450WHP !!! Awesome update! Thanks Darkhold!!! |
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05-07-2014, 04:04 PM | #251 |
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05-07-2014, 04:07 PM | #252 |
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Just for clarification dyno in europe is engine bhp. So are the above results.
However the dynos over here read low compare to in US. But its good to see comparison between stock, stock map3 with 40 meth adder and pure turbo. The difference between pure and jb4 is even bigger than stock to jb4 map3 with meth. Really a nice upgrade. The car really feels like it pulls like a train and the dyno confirms butt dyno |
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05-07-2014, 04:08 PM | #253 | |
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Just focus on the difference between the different maps and turbo. |
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05-07-2014, 04:11 PM | #254 |
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Exactly. You will always find differences between each brand and type of dyno. Like Darkhold said, focus on the increase over the stock turbo dyno run. This shows the true gains.
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05-07-2014, 04:12 PM | #255 | ||
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Quote:
Quote:
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05-07-2014, 04:12 PM | #256 | |
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05-07-2014, 04:13 PM | #257 |
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Well i can ask dyno shop for the whp results as well. But will be for tomorrows i guess its closed now
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05-07-2014, 04:16 PM | #258 | |
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I only run like 10% e100 with meth and 93 octane. I guess 50% e85 would do the trick as well however terry recommends meth but depends what boost level you run. Honestly the 15psi curve is not too shabby for a daily map. |
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05-07-2014, 04:20 PM | #259 |
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Using a 15% drivetrain loss that would translate into 380whp/405wtq (lb/ft). Keep in mind that most cars here are dyno'd on Dynojets which read consistently higher than Mustang (heartbreaker) dynos by about 15% and he says this is the lowest reading dyno in Belgium. So I'd say it's safe to assume this car would put down roughly that same amount as whp on a Dynojet.
Edit: Sorry that I deleted my other post, I had assumed that was whp
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2011 335i sedan 6MT, 515whp/530wtq. Pure Turbo Stage 2, Motiv SST TwinDisk Clutch/FW, Motiv Flash, AA 4" DP, ER FMIC, AA turbo-back exhaust, Quaife LSD, ST Coilovers, BMS Intake, UUC DSSR+SSK, ER CP, BMS CDV, BMS OCC, Arkym CF trunk
Last edited by hetzle; 05-07-2014 at 04:40 PM.. |
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05-07-2014, 04:34 PM | #260 | |
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Tnx Pure Turbo for developping this awesome upgrade! |
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05-07-2014, 04:35 PM | #261 | |
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05-07-2014, 04:59 PM | #263 |
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Those JB4 logs look horrendous. Your throttle does not even open all the way until 5000 RPM! I would try to resolve that with BMS first as there are clearly some major issues with your tune.
271hp at the wheels sounds reasonable for a stock N55 dyno. These numbers are most certainly numbers at the crank.
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'07 335i E90 - PTF ProTUNED by Dzenno - COBB FMIC - AFE DCI - AA DPs - HFS4 Meth
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05-07-2014, 05:05 PM | #264 | |
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EDIT: I confused myself, his stock run reads 320hp which means all these numbers should be BHP
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2011 335i sedan 6MT, 515whp/530wtq. Pure Turbo Stage 2, Motiv SST TwinDisk Clutch/FW, Motiv Flash, AA 4" DP, ER FMIC, AA turbo-back exhaust, Quaife LSD, ST Coilovers, BMS Intake, UUC DSSR+SSK, ER CP, BMS CDV, BMS OCC, Arkym CF trunk
Last edited by hetzle; 05-08-2014 at 12:11 PM.. |
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