07-01-2014, 09:50 AM | #1 |
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FYI BMW M4 H&R Springs have been released
Just saw on their website. Available.
The price is so good. I'll give it a try before the JRZ is available. I'll post some photos after install next week or so. Find By Vehicle Find By Make BMW M4 Coupe F32(2015-up) Suspension Stage Notes Approx. Front Lowering Approx. Rear Lowering Part Number Sug. Retail Sport Spring incl. Adaptive M Suspension 1.2 1.3 28877-2 $389.00 Kit H&R Special Springs, LP makes every effort to ensure that you are provided with the most accurate and up-to-date pricing and technical information. However, H&R is not responsible for typographical errors, pricing irregularities, or incorrect pricing. Prices subject to change. Photos are representations of product. May vary between actual products. All technical information found in the H&R Application Guide is approximate and may vary upon application. Additional suspension components may be needed in some applications, depending upon the make, model, engine and chassis of the vehicle. H&R is not responsible for any consequences resulting from manufacturer's technical mid-year changes. ©2014 H&R Special Springs, LP. :: Toll Free (888) 827-8881All rights reserved. Terms and Conditions of Use. |
07-01-2014, 09:57 AM | #2 |
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So they are the same as the 435i Super Sport Spring
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07-01-2014, 11:42 AM | #3 |
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Correct- H&R lists the same part number for the 435i and the M4. Their argument is that the more softly sprung 435i sees a large increase in spring rate, and so H&R lists this as a "super sport" application for the 435i, but only a "sport" for the M4.
In my view this is far from ideal, but I do have immediate access to the H&R 435i/M4 springs if any clients are interested in purchasing some as a temporary solution.
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07-01-2014, 11:52 AM | #4 |
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FYI, i have this exact model number on my F80 and the rear is too low in my opinion.
talked to KW today and they are 6-8 weeks out. so for a temp fix, id suggest the F30 sport, not super sports. |
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07-01-2014, 12:00 PM | #5 | |
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In any case, these springs were not designed around the F80/F82 damper or OE spring rate. They are inexpensive, however, so I suspect many will install them to get by for now.
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07-01-2014, 12:08 PM | #6 |
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I plan on installing them for now till better options come available but before I do I would like to see a few more M4's on the set up which should be happening rather soon
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07-01-2014, 12:21 PM | #7 | |
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I don't want to sacrifice ride quality especially on an M for the sake of looking "slammed"
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07-01-2014, 12:24 PM | #8 |
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^^exactly but at the same time my SUV look is killing me everyday I look at my car lol.
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07-01-2014, 01:48 PM | #10 | |
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07-01-2014, 03:08 PM | #11 |
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They have to allow for chains to be added to the tires. If you don't need that BS, lower the car a little. What geometry? You've mentioned this before with no source of information.
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07-01-2014, 03:14 PM | #12 |
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I'm not sure that the suspension will work right with this springs. It is just for better looking, not for the better performance.
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07-01-2014, 04:29 PM | #13 |
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07-01-2014, 05:22 PM | #14 | |
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http://trackdaytuners.com/tuner-cent...ng-your-vw-gti |
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07-01-2014, 05:27 PM | #15 | |
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07-01-2014, 07:01 PM | #16 | |
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The problem is that these geometry changes are hard to compensate for with alignment work. Typically to get it as close as possible to factory spec when static, you need adjustable control arms, ball joints etc. To get it back to spec under dynamic conditions, now you're talking about different wheel hub carriers (with lowering spindles) or different ball joints with longer studs in the lower control arms, and/or ball joints with longer housings if mounted in the hub carrier. Lowered suspension also exaggerates (or created) bump-steer - a situation where compressing the suspension can result in the unwanted steering input. To compensate for this, you need to consider new steering arms with relocated positions for the ball joints and tie rods. Sometimes this can be compensated for by winding the tie rods in more tightly to shorten them, but not always. So yes, if you lower your car, you must consider all the factors from realignment (for McPherson systems, to full replacement components on multi-link or dual wishbone types. |
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07-01-2014, 07:20 PM | #17 | |
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07-01-2014, 07:33 PM | #18 |
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Meh, I think I will leave suspension alone for now.
I may consider swapping it out with competition spring whenever it comes out. |
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07-01-2014, 10:29 PM | #19 |
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Because we like our street cars to look a certain way. The "geometry" is fine for a boulevard machine. The daily commute isn't a time attack.
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07-01-2014, 10:37 PM | #20 |
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07-02-2014, 07:58 AM | #22 | |
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Sedan_Clan, you get it! thanks. I have regular sports coming in tomorrow so that i can raise it a tad. Personally i dont like the look right now. I have the regular suspension, not active. the ride is a tad rough, but it handles just fine. |
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