06-04-2019, 12:16 PM | #1 |
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It's finally here! Working with Emerald Coast Motorsports in Fort Walton Beach, Florida, we got the Z4 M40i on the AWD dyno. After getting it dialed in, we got some pulls completed! Car looked to heat soak after the second run, so we let it sit for 15 minutes before doing the 3rd run. Video dyno sheet are below. ENJOY!
Last edited by Joe240; 06-18-2019 at 01:49 PM.. |
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06-18-2019, 03:22 PM | #4 |
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06-18-2019, 03:22 PM | #5 | |
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The Dyno technician said that running the Dyno in AWD with only power going to the rear wheels could also slightly fudge the torque number so realistically could be 450-480tq at the crank. But I don't know the semantics of Dynos so beats me. |
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06-18-2019, 03:24 PM | #6 |
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06-18-2019, 03:25 PM | #7 | ||
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06-18-2019, 03:25 PM | #8 |
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06-18-2019, 03:26 PM | #9 |
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What? Its wheel rating is pretty much it’s crank rating...that’s a win my friend.
Last edited by rjd598; 06-19-2019 at 01:36 PM.. |
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06-18-2019, 03:30 PM | #10 | |
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He was nearly reaching those numbers at the wheels. |
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06-18-2019, 03:33 PM | #11 | |
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I wonder what the euro ones are actually producing. |
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06-18-2019, 03:35 PM | #12 |
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06-18-2019, 03:36 PM | #13 |
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Head over stateside mate, we get the tasty versions now.
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06-18-2019, 03:37 PM | #14 |
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06-18-2019, 03:52 PM | #17 |
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06-18-2019, 03:58 PM | #18 | |
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When I took the M40i for a test drive and told my salesman that the car was quicker than I thought and closer to my f type V8 than I expected, he said that BMW ratings are way low and close to RWHP.....I took it with a grain of salt but it looks like he was spot on. cheers, Dave |
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Joe2402925.00 Brake_Late1937.50 |
06-18-2019, 04:51 PM | #19 |
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Now we need a Z4M Competition with S58 (500HP) with MX Drive
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06-18-2019, 04:54 PM | #20 |
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Here is some info on the newer B58 version via BMW documentation:
This is confirmed in the new G05 X5 but not sure if it has been updated across the all models as of yet. "The B58 debuted a few years ago but the updated iteration gets a new cooling system, head, timing chain, oil pump and a forged crankshaft. The block and air induction system have been modified, and the new high-pressure direct-injection fueling system is rated at 5,076 psi (350 bar), up from 3,626 psi (250 bar).”
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06-18-2019, 05:25 PM | #21 | |
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FOF82,3pedals,MPE,CCBs,Multicams, CarbonStrucktureAnthracite, CF_Everything BMWPhotoVin, 01of01, GTS DCT, EPS, MDM, CS EDC,Analog Dip ,GTS parts. Euro Vin e30 M3, FIA cage / 14.7 p / w ratio. Euro E30 touring G30 MSport i3s LBB X5M 3.2carrera https://www.youtube.com/channel/UClRTsfNzuz_EjUBu59UCykA |
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06-18-2019, 06:58 PM | #22 | ||
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10% is more realistic. |
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