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      08-06-2015, 05:33 PM   #1
Fast_Future
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New Spring system: Macht Schnell Sport Competition springs: REVIEW

I have been lowering my cars for the last 15 years. I have gone through multiple brands, Eibach, Koni/H&R, KW V2 etc since I have been doing this and have always had a lot of fun doing it!

My car:
2015 F80 M3
Stock suspension:
Non-adaptive (passive)
Exterior
M Performance front lip
M Performance Carbon Fiber front splitters
M Performance F30 side skirt blades
M Performance Carbon Fiber rear diffuser
M Performance Carbon Fiber Mirrors
Wheels:
OEM e92 ZCP 359M Competition wheels in black
18mm Macht Schnell Spacers in front
Exhaust:
M Performance Exhaust with Carbon Fiber finishers
Interior
M Performance race display steering wheel
M Performance Carbon Fiber DCT selector
M Performance Carbon Fiber hand brake
M Performance floor matts
M Performance illuminated door sills
Macht Schnell EVC (Exhaust valve control module)

When I picked up the F80, I ended up lowering it on H&R Sport springs. The look was great but once the wow factor wore off, I felt that the car lost some of the ride sportiness that it had when it was stock. It became a little soft actually in the way that it handles bumps, so I pulled the springs off and went back to stock.

I saw a new spring on the market from Macht Schnell with an interesting approach to handle the rear fender cut line on the F80. Their kit comes with aluminum spacers to fine tune the rear ride height. I have been using Macht Schnell spacers and intake components, Exhaust control module etc on my cars since the e92 M3 days so I trusted the brand to make something of quality with a focus more on function than form.

European Auto Source allowed me behind the scenes to document the installation. Here it is!

The Unboxing: Springs were packaged very nice to avoid any rubbing. Each coil was individually wrapped and separated by cardboard. Springs are finished in a very nice looking matte black finish while the aluminum rear spring spacers are anodized in gold aluminum-very cool!







Stock vs Macht Schnell Sport Competition Springs: The Stock springs are on the left in gloss black while the MS Sport Comp springs are on the right finished in matte black. It was interesting to see the difference in spring heights, I also love how the new springs are black so it retains an OEM look and doesn't draw attention to something being modified like a red or blue spring would.





Installation: Installation looked easy. No issues along the way.











Before and after measurements: The overall drop was about 1" up front and a little under 1" in the rear



Stock on top, Macht Schnell Sport Competition springs on the bottom:



Driving impressions: I am 100% satisfied with my decision to lower the car again. I was worried that the ride would be similar to the H&R Sport springs I previously had, but this is an entirely new experience. I no longer cringe or tense up when I see a bump approaching, I feel confident in sweeping turns with bumps or imperfections in them, no creaking while turning at low speeds, just pure controlled, predictable fun! The rebound feels firm-not harsh or brittle. Its perfect in my opinion.



Finished photos:
















Last edited by Fast_Future; 08-06-2015 at 06:23 PM..
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      08-06-2015, 05:50 PM   #2
nickstin
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Looks perfect I think. What size tires are you running?
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      08-06-2015, 05:54 PM   #3
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Thanks for the review and pictures. The stance looks great and it's not too low.
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      08-06-2015, 06:05 PM   #4
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Beautiful! ...are the Macht Schnell springs linear? Or progressive rate?

ps: Anyone have their spring rates by any chance?
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      08-06-2015, 06:13 PM   #5
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Quote:
Originally Posted by nickstin View Post
Looks perfect I think. What size tires are you running?
Thanks! Stock tires from the 19's, so 255/35/19 front, 275/35/19 back. No rubbing!
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      08-06-2015, 06:14 PM   #6
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Very good post. Thanks for the details! I'll link this in the master thread.
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      08-06-2015, 06:22 PM   #7
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Wish they weren't so low in the back. And anyone know the spring rates?
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      08-06-2015, 06:25 PM   #8
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Quote:
Originally Posted by BMW M4 PWR View Post
Beautiful! ...are the Macht Schnell springs linear? Or progressive rate?

ps: Anyone have their spring rates by any chance?
These are progressive but seem to ride much better than my H&R's
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      08-06-2015, 06:50 PM   #9
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Quote:
Originally Posted by BMW M4 PWR View Post
Beautiful! ...are the Macht Schnell springs linear? Or progressive rate?

ps: Anyone have their spring rates by any chance?
Quote:
Originally Posted by manticor View Post
Wish they weren't so low in the back. And anyone know the spring rates?
Macht Schnell Sport Competition Springs are progressive rate. Here's specs:

BMW OEM
Front Springs: 178lb.in
Rear Springs: 560lb.in

Macht Schnell Sport Competition Springs
Front Springs: 265lb.in
Rear Springs: 710lb.in
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Last edited by tom @ eas; 08-06-2015 at 06:52 PM.. Reason: corrected OEM rates
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      08-06-2015, 06:56 PM   #10
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Love the drop! Great to see another good option
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      08-06-2015, 07:17 PM   #11
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Quote:
Originally Posted by robbys3m3 View Post
Love the drop! Great to see another good option
Thanks! I can't get enough of it, I'm at the point where I just go and drive around the block for no reason, just to drive!
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      08-06-2015, 09:11 PM   #12
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Quote:
Originally Posted by manticor View Post
Wish they weren't so low in the back.
+1

IMO on the F80 0.5" is the max the rear drop should be.
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      08-06-2015, 09:21 PM   #13
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Quote:
Originally Posted by Taimur View Post
+1

IMO on the F80 0.5" is the max the rear drop should be.
I agree as well.

I am not impressed with the spacers used in the rear on the m3 It seems like a cheap fix so they can just produce one set of springs that can used on both m3 and m4.
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      08-06-2015, 09:24 PM   #14
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Quote:
Originally Posted by Mario_Kart View Post
I agree as well.

I am not impressed with the spacers used in the rear on the m3 It seems like a cheap fix so they can just produce one set of springs that can used on both m3 and m4.
Nothing wrong with it at all. Mercedes has gone a similar route for years, with different mm thickness of spring insulators available for various models.
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      08-07-2015, 10:02 AM   #15
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So for the record (please correct me if I'm wrong), these springs DON'T use/need the spacers for the M4 as the springs were essentially designed to be used on an M4 by themselves. It's only the M3's that require them in the rear? Right?
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      08-07-2015, 11:05 AM   #16
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After pics look great! Nicely done
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      08-07-2015, 01:39 PM   #17
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Great review! I'm what is the pricing for these springs? it's a tough call between these AC Schnitzer, Eibach or Swift springs
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      08-07-2015, 02:00 PM   #18
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Quote:
Originally Posted by Powaup View Post
Great review! I'm what is the pricing for these springs? it's a tough call between these AC Schnitzer, Eibach or Swift springs
Pricing for the springs can be found here: http://f80.bimmerpost.com/forums/sho....php?t=1157885
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      08-07-2015, 02:40 PM   #19
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Quote:
Originally Posted by BMW M4 PWR View Post
So for the record (please correct me if I'm wrong), these springs DON'T use/need the spacers for the M4 as the springs were essentially designed to be used on an M4 by themselves. It's only the M3's that require them in the rear? Right?
Correct. The Spring seat shims are only used on M3 (Sedan). They are not used on M4 applications.
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      08-08-2015, 05:45 PM   #20
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I ordered these. The look is exactly the look i want. Spoke with a forum member that has these and he gave me great feedback on the handling aspect of them. Cant wait to slap these on my new 2016 F80!
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      08-08-2015, 08:11 PM   #21
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Quote:
Originally Posted by A1PericoM3 View Post
I ordered these. The look is exactly the look i want. Spoke with a forum member that has these and he gave me great feedback on the handling aspect of them. Cant wait to slap these on my new 2016 F80!
Good choice. Honestly, I cannot believe how great the car handles and rides with these. This is the best suspension mod I have ever done on one of my BMW's, and so far I have lowered 9 of them.
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      08-09-2015, 01:36 AM   #22
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Perfect stance for an F80!
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