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03-28-2020, 07:26 AM | #25 |
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Power/torque and engine responsiveness are two different things.
Yes, in the E90 overwhelming power/torque isn't always on tap, but there's ZERO lag between your right foot and engine response. Throttle sharpness and engine responsiveness are M specialties.
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03-28-2020, 11:48 AM | #26 | |
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From owning an E39 M5 for 15 years and the E90 M3 for many years at the same time (sold the M5 in June 2018), initially it was easy to fall prey to an invalid comparison. A prime example would be 2nd gear at 2500 rpms and nail it. The M5 was a torque beast with a huge shove in the gut. However, the true comparison is done on equivalent road speeds. At the same road speed as the M5 in 2nd at 2500rpms, the M3 in 2nd would be turning 3800-3900 rpms. A huge difference, but the more applicable comparison too. Even though the M5 had that gut hit torque feel, starting from the same road speed, the M3 would leave it behind every time.
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03-28-2020, 02:50 PM | #27 |
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A catless xpipe and tune really wake the car up. I don’t feel the need to wind mine out all the time to get around in normal driving. Certainly it’s thrilling from 5500-8500. It’s also not going to pull hard at 2000 in 4th, 5th or 6th. But mine will light up 295/35/18 rear tires from a few mph roll in 1st gear. The torque multiplication from the short gearing helps compensate from the relatively low torque that you must accept as part of a high revving 4.0L V8.
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03-29-2020, 09:49 AM | #28 | |
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Agreed. Remember taking the E39 out in cold weather one time and being convinced it was the much faster car. S62 in cold temps was a total fricking monster. Capable of spinning all seasons in 4th gear @ 80 mph and 4,000 rpm (been almost a decade, I think that was the speed & rpm match.) S65 is sharper and smoother, but definitely not as torquey. BMW used to make some epic engines. But even with the transition to turbos they've managed to keep the throttle sharpness and engine responsiveness. GTS in sport plus is like operating a hair trigger.
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05-16-2020, 01:47 AM | #29 | |
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05-17-2020, 09:26 AM | #30 | |
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Recently I did a mountain drive with my brother, one in the E92 and the other in the F80 CS. This is pretty rare as we're usually in the same car vs two, and also because we very seldom do any kind of mountain road driving in the US The E92 is 6MT, 382whp, what people would typically refer to as 'full bolt on' The CS is completely stock powerwise. Dyno'd with the E92 it gets 432whp. A few notes from the drive: -in twisty roads: the CS seems to have a ton of lag. You press the throttle, nothing happens, then it boosts, melts your face off and immediately you're braking for the next turn. It feels quite imprecise in tighter turns in terms of power application. The E92's throttle is incredibly sharp and although down on power, it usually accelerates much longer in each gear -as it starts accelerating at least a second before the CS starts doing useful things- so even if that acceleration is smaller, doing it for more time yields better results. -on the highway: The typical WOT bursts to avoid a moron from cutting you off, the WOT bursts to pass a left lane hog... the e92 also performs much better. In 6th at highway+ speeds it accelerates immediately and has a good amount of power. In the CS following it you need to shift to 5th if you want to follow In a tightish mountain road my money would be on an E92. Where the CS really shines is at the racetrack, where throttle applications last many seconds, the turns are known so you can minimize turbolag and the high power output really makes a difference. Plotting SoloDL data together of the same track the speed difference is monumental
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Last edited by SYT_Shadow; 05-17-2020 at 05:18 PM.. |
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05-17-2020, 05:09 PM | #31 | |
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05-18-2020, 08:11 AM | #32 | |
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05-18-2020, 08:20 AM | #33 | |
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Usually I don't feel like the CS has a lot of lag. At the track for sure it is quite precise, as it is very different to be in a racetrack where you know the layout and open the throttle as the right time vs a mountain road you don't know so you hesitate, open/close/open, etc etc. But comparing it to the E92 back to back is a little unfair, as the E92 has some of the best throttle responses ever. Last year I did a back to back mountain road course with a friend in a 991.2 GT3 6MT, switching cars halfway. The first thing he said after driving the E92 is he couldn't believe how instant the throttle response was. [GT3 single throttle body, E92 individual] A third friend was with us yesterday with a M2C 6MT. The M2C seemed to have less lag than the CS, although was significantly less powerful as well. Both my brother and I drove all 3 cars and had the same conclusions. |
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05-18-2020, 08:43 AM | #34 | |
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Son goaded me into a quick acceleration run the other day. Started in 2nd, 5k revs. Did the whole "you ready?" exchange. Soon as he uttered the "y" in "yes" i nailed it. Wasn't sufficiently braced, see his body pin back against the seat out of the corner of my eye. His first comment was, "whoa, that scared me a little, I wasn't ready for it."
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05-18-2020, 09:03 AM | #35 | |
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05-18-2020, 09:35 AM | #36 |
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He gets lulled by the E90 appearance and our usual daily drives, underestimates the old girl. Thinks anything that's properly fast comes with a wing, wickerbill, or ferrari badge (not my influence, born tifosi somehow).
Was a good opportunity to remind him don't eff with the M3. If he only knew what it was capable of in street + track spec
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05-18-2020, 09:42 AM | #37 | |
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I am really happy with the stroker E90 build, tons and tons of power while maintaining all the good things of the E9X generation. |
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05-18-2020, 11:48 PM | #38 | |
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My dad's no stranger to motor sports; he used to own/drive a spec racer Ford and has been around cars forever - but the E90 legit scared him a little 😂 Funny enough, my kids aren't impressed. They're much more interested in Teslas or anything with bells, whistles, gadgets and screens. |
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