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04-12-2016, 08:57 PM | #68 | |
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04-13-2016, 05:37 PM | #69 | |
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But if i'm trying to chill and relax back in my seat going through congested traffic then the m3 is a poor choice. It's why i have a DD. |
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04-13-2016, 06:07 PM | #70 | |
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04-14-2016, 10:39 AM | #71 | |
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Having said that, my corrado has 600 lbs front springs and 400s in the back. That car is miserable on anything other than a smooth road or track. |
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04-14-2016, 10:49 AM | #72 | |
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04-14-2016, 12:30 PM | #73 |
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I've always attributed those differences in rough noises to ZCP being one full centimeter lower stance and more rigidly tuned than non-ZCP. From recollection the ZCP press release (or was it an interview of some bmw official) said that Comfort and Normal mode were identical but Sport EDC mode was tuned differently and more track oriented for ZCP, but it's been debated that all modes are more rigid. I was going to answer to that effect to jphughan but I do take notice that New2Roundel, Iyzmi are not sharing my ZCP experience. I don't think i'm being too sensitive, keeping in mind too that different tires brand (mines are still Continental factory OEM bmw put on 2013's) also have some effect on how much drivetrain and even engine parts noise you hear in the cabin. Still... something does not seem to add up. As if my stereo is playing , those engine noises are clearly NOT covered and I have to crank up the volume quite a bit to not miss all the details or even words in an interview. This is resurrecting some concern i've had something is going on with my engine, the helicopter noise is something that only appears on occasions and i've attributed it to fuel quality variations.. The car never threw any codes, never needed any repairs and dealer never said anything either. I've meant to testdrive another ZCP M3 to be sure nothing is wrong with my car, but i've always procrastinated. And my memory of testdriving m3's 3-4 years ago on the dealer lot is not fresh enough.
Last edited by Rajmun340; 04-14-2016 at 12:44 PM.. |
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04-14-2016, 01:00 PM | #74 |
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A helicopter sound could be an intermittent issue with your auxiliary air pump (which is used during a cold start), its valves or plumbing. This device injects fresh air into your exhaust ports during a cold start, and any leaks or defects in operation can lead to unpleasant noises, though I've only heard of one or two complaints on this forum of failures in that system.
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04-14-2016, 01:38 PM | #75 | |
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04-14-2016, 02:16 PM | #76 | |
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As far as EDC is concerned, I've read a bit about it on this site and other sources. I'm certainly open to be proven wrong, but from what I've understood, the sport setting is akin to what an M3 without EDC feels like. The comfort mode is supposedly softer than regular sport. The sport+ setting is supposedly designed for track work. Seems weird to me, but I have also read that EDC on competition cars supposedly has some type of ability to adjust itself by itself beyond the comfort, sport, sport+ settings. To me, the settings don't change the comfort levels all that much. The "power" button has a greater effect on the driving experience, IMO, than do any of the EDC settings. |
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04-14-2016, 05:07 PM | #77 |
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FYI I dug up the ZCP info on EDC:
"New for the BMW M3 Competition Package: In addition, the control of the electronic damper adjustment function EDC including a Sport mode specially developed for the Competition Package has been precisely adjusted to the chassis modifications by means of map-based control and the driving stability control function DSC." http://www.bmwblog.com/2010/02/12/of...n-package-zhp/ The non-ZCP EDC does not interact directly with DSC that by itself is a difference. Still i am not saying it explains the rough noises. I tend to agree with New2Roundel each car is different when it comes to fit/finish. At times i have been disconcerted by reading other people saying it is a "refined" drive, not by any stretch in my experience. Interesting comment from Beemdog about the auxiliary air pump. Thinking more on how to describe what i hear from the cabin i would compare it at times to a food blender/mixer, like those cheap kitchen appliances except more industrial sounding with tougher metal grind sound and on top of that once in while that perceptible tug boat or helicopter pulsating sound. I am not complaining so much about the ride/EDC but more the engine noises from inside the cabin. Sometimes it's almost physically hurting the ears when it gets really grindy, like a steam locomotive from the engine room. And my car came to me from the factory, still looks like a show room car and is still under warranty. I need to locate another ZCP and testdrive. Because it certainly is far from refined. |
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04-14-2016, 05:52 PM | #78 | |
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04-14-2016, 06:27 PM | #79 |
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All EDC modes are adaptive with ZCP; Sport is not adaptive without ZCP. DSC has indeed been remapped with ZCP, but that isn't really tied to EDC directly (and Euro MDM can be retrofitted to both types of cars for an even better experience). All of this has been known for years though, and none of the ZCP changes are nearly significant enough to account for a meaningful change in ride quality, never mind helicopter noises. So if you continue to feel that your NVH tolerance isn't far below that of other owners here, there's probably something(s) up with your car. And at least while EDC is in Comfort, I actually WOULD describe the M3 as "refined", at least as sport-oriented cars go -- you didn't expect an S-Class ride, right? But I never had ANY occasions where noises in the car hurt my ears, nor did I experience any noises that sounded anything like kitchen appliances (except for that brief gearbox chatter I mentioned earlier, though even that was quiet) and definitely not a locomotive.
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04-14-2016, 11:36 PM | #80 | |
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No, i didn't expect a S-class ride, i expected a sport car ride but I often feel like the technology under the hood was produced in an old soviet factory. It works but seems out of whack at times. No way is Comfort EDC a refined ride in my M3. Actually I have never been able to feel a perceptible difference between any EDC modes (one aspect of ZCP is all modes feel more agressive due to the lower stance). Is my EDC stuck in the most agressive mode ? But that would not explain the noises. But refined ? hell no and the noises from the cabin with closed windows are like a food mixer especially in 1st & 2nd and even 3rd. The brief MT gearbox chatter noise, finally one noise that we can agree on and that is well understood (clutch damper springs and a heavy flywheel with a lot of inertia to match the high output engine) . All MT have it, it does not bother me at all. Last edited by Rajmun340; 04-14-2016 at 11:51 PM.. |
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04-15-2016, 06:20 AM | #81 |
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I think the GT4 is an amazing car - but I'm just not the type of person to 'beg' to buy a product. Supply is not my issue. I know it's common these days but I'm not going to pay more than MSRP. Make enough products for your customers. This current supply game hurts the brand image a bit IMHO.
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04-15-2016, 06:49 AM | #82 | |
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If you're trying to find another M3 to test drive and compare with yours, I wouldn't get too caught up on finding a ZCP vs non-ZCP car. As others have said, the differences are very minor and chances are you wouldn't notice anything during one test drive. There may be a problem with your EDC, doubtful but maybe. If there turns out to be nothing wrong with your car then I would just attribute your "unrefined" experience as difference in perspective. I'm coming from a couple Subarus and other non-luxury type cars so to me the M3 feels very refined, keeping in mind that it's still a stiff sporty car with louder-than-stock exhaust.
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04-15-2016, 07:41 AM | #83 | |
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2016 GT4.....Sapphire Blue Metallic, Platinum stitch Leather/Alcantara interior, Carbon Fiber Trim, PCM w/Nav, Guards Red Belts, 2 Zone Climate, Sport Chrono, LWB, Smokers Pack, Big Gas Tank, Light Design Pack, Bi-Xenon w/PDL, Auto Dim Mirror, Clear Side Markers, GTS Clear Taillights
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04-15-2016, 08:00 AM | #84 | |
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04-15-2016, 08:06 AM | #85 | ||
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Maybe the image of regular Porsches would suffer with more supply (some argue it has over the last few decades given skyrocketing 911 production numbers), but the image of Porsche GT cars should be fine given that it's based on how they drive and those cars are sought after by enthusiasts much more than poseurs.
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04-15-2016, 08:08 AM | #86 |
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Ah, thanks for the correction, I thought 2 lights was called Sport+.
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04-15-2016, 08:14 AM | #87 | |
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If you don't feel any differences in EDC modes (at least between Comfort and Sport) going over concrete expansion joints or on roads with quick undulations due to earth shifting underneath or just plain damaged concrete, then something is up. Maybe the shipping blocks are still installed in your suspension, lol. But on my non-ZCP car, Comfort and Normal only felt different on back roads when driving for fun, but Sport felt very different from both of the other modes basically anywhere. The ZCP ride isn't significantly different just from the 10mm drop. That itself isn't a very significant change. I think it's clear here that your perception of refinement under the hood and in the cabin are polar opposite from everyone else here, and this is just the responses you're getting in a GT4 thread. If you posted a new thread about this, I think the difference in perceptions would be even more stark. I would strongly recommend that you find another M3 owner willing to give you a ride or let you drive their car and also take a ride in yours. Shouldn't be hard; just make a thread asking for a local member to help you. Then at least you'd get another set of ears on your car and see what another example is like.
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04-15-2016, 12:39 PM | #88 | |
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