08-24-2018, 11:56 AM | #23 |
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08-24-2018, 12:18 PM | #25 | |
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Last page on this link is a 10.60 at +130mph with high octane. Terry has gone 10.6 with high octane. Here is my 10.8 on pump gas : |
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08-24-2018, 02:04 PM | #27 | |||||
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Any time there is a dyno thread ... shops feel like they have to justify their dyno purchase. less talk about the dyno and more talk about the numbers. All folks need is the RWHP number and the type of machine.. with as little manipulations to the data as possible. Last edited by M3 Adjuster; 08-24-2018 at 02:32 PM.. |
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08-24-2018, 02:37 PM | #28 | |
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It would be easier if everyone just went out and invested $100k on a dyno and did their own thing. You try to provide some info, and yes you are right, this is how it ALWYAYS ends up. Smart ass comments from people who have no idea of calculations and variables. He was trying to answer specific questions that were thrown at him earlier in the thread.
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08-24-2018, 02:46 PM | #29 | |
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Never mind the BLA DE BLA bullsh*t
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08-24-2018, 02:56 PM | #30 |
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All Dyno data provided could/should be J1349 from all suppliers of data to avoid mix up confusion. Not too easy for every dyno owner in the world to be on the same page though haha
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08-24-2018, 04:52 PM | #32 |
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I have been on track with a BMW Performance Driving School driver and all I can say is this car has boat loads of sneaky power. It feels so smooth and so powerful, for a smaller track, it felt as though it was laughing at the short sprints and had power for days. IMO, this is the ultimate all around sedan. Well done BMW
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08-24-2018, 05:15 PM | #33 |
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As Evolve stated It's for a "base line to work from" so no exaggeration figures just what the car put out on the day, with more miles it will change, but as also stated Dyno data is for comparison only to alterations/tunes.
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08-24-2018, 06:08 PM | #34 |
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WHP is the enthusiasts common denominator, yes. Still though, dynos should only be used as a tuning tool. Begin with a baseline, progress from there with your various add-ons.
SAE certified figured are where it's at, IMO. If GM says the C7 Corvette is SAE 465, I'm convinced. if BMW says F90 is 600 HP, I ain't buying it.
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08-25-2018, 02:21 PM | #36 | |||
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08-25-2018, 03:18 PM | #37 | |||||
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08-26-2018, 06:13 AM | #38 | |
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To get a car type approved and legal for sale in Europe it has to be tested by a independent technical service (test facility like TÜV, DEKRA etc). For type approval testing BMW have to provide a engine for independent dyno testing and the engine's power and torque figures (throughout the rev range) has to be within 1% of what BMW claims. Later on during production of the car, spot tests can be done and the power and torque figures then has to be within 5% of the claimed figures (to allow for tolerances and minor adjustments during a production run). Btw, companies like BMW, Porsche, MB etc generally make two separate versions of their cars; The US model and ROW (Rest of world). Only the US model is compliant to FMVSS (which unlike ECE does not require independent testing of most regulatory acts). |
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08-27-2018, 03:17 PM | #39 | ||
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Just not really impressed as the predecessor was simply faster lol. I will say the F90 is allot better put together in terms of driving. Tunes for the car are still in its infancy.. looking forward to the updates! |
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08-28-2018, 11:12 PM | #40 |
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The M5 was tested in the french Magazine Sport Auto and it yields 619 HP on the DM Performance Superflow Windyn 4WD Dyno (for 600 HP manufacturer)... For comparison the Porsche GT2-RS was measured at 715 HP (for 700 HP manufacturer), the McLaren 720S at 735 HP (for 720 HP manufacturer).
IMO best way to measure HP is with the same dyno, using different cars so you can have a direct comparison... Attached images
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08-29-2018, 02:37 AM | #41 |
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Much in line with EVOLVE results.
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