Debating between MHAS and Ebach euro

[Adcampo]

I know there's a ton of info on this topic. I've done a lot of research. Looking to close the front gap some with minimal change to the rear. Want to keep as close to stock ride quality. I've read good things about both. I understand the Ebach's Euro V1's do .8" on the front and .2" on the rear with little effect on the ride. Hard to find?

I've also read good things about the MHAS. I don't intend on tracking much or changing the height. But they are BMW and that's a plus.

I've ruled out EMD's because they sit a bit too low in the front for my taste and the Swift R's are a bit too track oriented/firm from what I've seen.

Looking for some feedback from people who did the same comparison.

[RugbyBro]

MPHAS - maintains OEM ride quality (BMW specific spring rates), noticeable improvement in handling, and OE peace of mind. If you only want to do springs, I would recommend MPHAS over any other springs

[JagR2611]

Originally Posted by RugbyBro

MPHAS - maintains OEM ride quality (BMW specific spring rates), noticeable improvement in handling, and OE peace of mind. If you only want to do springs, I would recommend MPHAS over any other springs

+1. I have had the MP HAS kit installed for several months and love it.

[Adcampo]

Originally Posted by JagR2611

+1. I have had the MP HAS kit installed for several months and love it.

What height are you using? Any noticeable ride improvement or degradation?

[RugbyBro]

Originally Posted by Adcampo

What height are you using? Any noticeable ride improvement or degradation?

MPHAS isn’t a super aggressive drop at its lowest (~1in max). I’ve got maybe 2-3 threads left in the front and 1 thread in the rear if I am remembering correctly. I think it’s perfect since I don’t like the slammed look, honestly may even raise it a smidge in the front next time I do any suspension work or get aligned. Ride feels very close to stock, you feel more of the road but not in an uncomfortable way.

[Adcampo]

Originally Posted by RugbyBro

MPHAS isn't a super aggressive drop at its lowest (~1in max). I've got maybe 2-3 threads left in the front and 1 thread in the rear if I am remembering correctly. I think it's perfect since I don't like the slammed look, honestly may even raise it a smidge in the front next time I do any suspension work or get aligned. Ride feels very close to stock, you feel more of the road but not in an uncomfortable way.

Looks good. Thanks for the insight. I think the MHAS may be the best choice for me. It's a lot more expensive, but I can dial in the height to exactly what I want.

I'm also planning on the CS suspension flash.

[apar]

I'm doing the same research myself and M Performance HAS would be great but its so much more expensive and I know i'll never make an adjustment, that it's probably not for me. The spring rates for OEM and Eibach are very similar, and lots of people seem to love them so it might not be a bad option.


Front/rear

Base f80
Spring rate: 178/560

Zcp F80
Spring rate:198/685

Macht Schnell
Spring rate: 265/710
Drop: 1.1/0.75

Eibach
Spring rate: 183/628
Drop: 0.8/0.5

Swift:
Spring rate: 265/715
Drop: 1/0.4

Suspension masterthread
https://f80.bimmerpost.com/forums/sh....php?t=1143161

[Adcampo]

Originally Posted by apar

I'm doing the same research myself and M Performance HAS would be great but its so much more expensive and I know i'll never make an adjustment, that it's probably not for me. The spring rates for OEM and Eibach are very similar, and lots of people seem to love them so it might not be a bad option.


Front/rear

Base f80
Spring rate: 178/560

Zcp F80
Spring rate:198/685

Macht Schnell
Spring rate: 265/710
Drop: 1.1/0.75

Eibach
Spring rate: 183/628
Drop: 0.8/0.5

Swift:
Spring rate: 265/715
Drop: 1/0.4

Suspension masterthread
https://f80.bimmerpost.com/forums/sh....php?t=1143161

Great info. Supreme Power has the Ebach's on sale now for $299.

[RugbyBro]

Originally Posted by Adcampo

Looks good. Thanks for the insight. I think the MHAS may be the best choice for me. It's a lot more expensive, but I can dial in the height to exactly what I want.

I'm also planning on the CS suspension flash.

The primary benefit to a HAS kit is the ability to corner balance - if this doesn't matter to you, then a fixed spring kit might work for what you need. Keep in mind any lowering springs are going to wear the stock shocks down faster - although I've heard the argument made that MPHAS spring rates are specifically designed for OEM shocks, therefore shouldn't significantly affect longevity. Don't know that I buy that it doesn't have any negative effect on shock life but I could see it possibly having a "longer" shortened life than third party springs. Another factor to note is MP HAS (and KW) come with smaller bump stops for a smidge more travel.

Also, are you ZCP or Non-ZCP? As far as I'm aware, the stock shocks for the CS are shared with ZCP but not with Base. So the CS suspension flash on a Base won't be the same as a CS. I don't know what effect it will have on Base hardware, but just be aware it is not the same as ZCP/CS.

Sorry for the verbal diarrhea - just want to be helpful/insightful as I was making this decision once as well. One major driver for me was maintaining warranty with a BMW part. Warranty is up soon so I'll be doing more with coding/tuning after that with long-term plans to use KW DDC once my shocks are on life support.

[Morgen Black]

I went with MP HAS and love them. I was originally going to go on the cheaper side and just get springs, but the Pros outweigh the Cons and I decided to get a better quality product. The BMW MP HAS kit is worth the money, especially since it is on the cheaper side versus full blown coilovers.

MB

[Adcampo]

Thanks guys. I do have a ZCP and heard the CS flash is a nice enhancement.

Not so worried about shock longevity. They'll outlast my ownership for sure. The oem and warranty aspect is a nice upside.

Have MHAS owners noticed meaningful performance improvements? The stock setup doesn't seem very buttoned down in tight slow speed turns. I also notice a moderate amount of body roll.

[kyrix1st]

To each his own but I never understood the appeal of low rider springs other than "stance". Factory fine-tuned springs are the best fit for stock struts as everything is dialed towards its compression and rebound behaviors.

Best to get a full coil over for functional difference.

[DanMpower]

I ran Eibach Pro-Kit V1 Euro and V2s as well as MPHAS.

Skip the Eibachs and go with MPHAS. A big difference in ride quality/handling.

[Adcampo]

Originally Posted by kyrix1st

To each his own but I never understood the appeal of low rider springs other than "stance". Factory fine-tuned springs are the best fit for stock struts as everything is dialed towards its compression and rebound behaviors.

Best to get a full coil over for functional difference.

I'm really just trying to improve the stance and reduce that huge front wheel gap. But some modest performance improvement would be a nice addition.

[CanAutM3]

I've had both, the Eibach on my 2015 M4 and the MP-HAS on my 2019 M4cs. I do track a lot (20+ days/year), so how they perform on track has a significant importance to me, but I also daily my M4.

The Eibach offer a mild drop. Their spring rates are between the base and the competition package but with a front-to-rear ratio closer to the competition package, which helped plant the rear end on my base M4. The comfort was very similar to stock but with much improved feel. I was really happy with them.

The MP-HAS are a superior setup performance wise with progressive spring rates closer to the Competition package ones. The fact that the ride height can be adjusted allows you to corner balance the car and fine tune the handling balance by changing the front-to-rear ride height ratios. Another benefit of the MP-HAS is that they are part of the vehicle warranty wise for a no hassle setup if something goes wrong. Comfort wise, they are slightly stiffer than stock and suffer more NVH when paired with camber plates. I am really happy with them on my M4cs.

If you do not intend to track your car and are satisfied with the Eibach drop, I'd say save yourself a few bucks and go with those.

My 2015 M4 on Eibach and my 2019 M4cs on MP-HAS:

[CanAutM3]

Originally Posted by kyrix1st

To each his own but I never understood the appeal of low rider springs other than "stance". Factory fine-tuned springs are the best fit for stock struts as everything is dialed towards its compression and rebound behaviors.

Best to get a full coil over for functional difference.

Well calibrated lowering springs do improve performance by reducing weight transfer, which increases total grip during cornering and braking.

[11LMBiSTT]

MP HAS and don't look back.

[Adcampo]

Originally Posted by CanAutM3

I've had both, the Eibach on my 2015 M4 and the MP-HAS on my 2019 M4cs. I do track a lot (20+ days/year), so how they perform on track has a significant importance to me, but I also daily my M4.

The Eibach offer a mild drop. Their spring rates are between the base and the competition package but with a front-to-rear ratio closer to the competition package, which helped plant the rear end on my base M4. The comfort was very similar to stock but with much improved feel. I was really happy with them.

The MP-HAS are a superior setup performance wise with progressive spring rates closer to the Competition package ones. The fact that the ride height can be adjusted allows you to corner balance the car and fine tune the handling balance by changing the front-to-rear ride height ratios. Another benefit of the MP-HAS is that they are part of the vehicle warranty wise for a no hassle setup if something goes wrong. Comfort wise, they are slightly stiffer than stock and suffer more NVH when paired with camber plates. I am really happy with them on my M4cs.

If you do not intend to track your car and are satisfied with the Eibach drop, I'd say save yourself a few bucks and go with those.

My 2015 M4 on Eibach and my 2019 M4cs on MP-HAS:

Great fist hand insight. Thank you.

I'll pay more for the MHAS to prevent regrets or second thoughts.

I'm planning on doing the install myself for a fun project. And get the corner balance and alignment done afterwards.

[CanAutM3]

Originally Posted by Adcampo

Great fist hand insight. Thank you.

I'll pay more for the MHAS to prevent regrets or second thoughts.

I'm planning on doing the install myself for a fun project. And get the corner balance and alignment done afterwards.

Is your car still under warranty for 2+ years? If yes, better to get MPHAS installed by the dealer to fully leverage the warranty period. If not, DIY is worthwhile.

The Eibach are quite good, you would not be disappointed.

[apar]

Originally Posted by CanAutM3

I've had both, the Eibach on my 2015 M4 and the MP-HAS on my 2019 M4cs. I do track a lot (20+ days/year), so how they perform on track has a significant importance to me, but I also daily my M4.

The Eibach offer a mild drop. Their spring rates are between the base and the competition package but with a front-to-rear ratio closer to the competition package, which helped plant the rear end on my base M4. The comfort was very similar to stock but with much improved feel. I was really happy with them.

The MP-HAS are a superior setup performance wise with progressive spring rates closer to the Competition package ones. The fact that the ride height can be adjusted allows you to corner balance the car and fine tune the handling balance by changing the front-to-rear ride height ratios. Another benefit of the MP-HAS is that they are part of the vehicle warranty wise for a no hassle setup if something goes wrong. Comfort wise, they are slightly stiffer than stock and suffer more NVH when paired with camber plates. I am really happy with them on my M4cs.

If you do not intend to track your car and are satisfied with the Eibach drop, I'd say save yourself a few bucks and go with those.

My 2015 M4 on Eibach and my 2019 M4cs on MP-HAS:

Great info. I don't plan on tracking my car ever, so Eibach seem like the better choice for me and I like the drop on those.

Did you have the Euro V1 or the Eibach US PRO Kit for your car?

[CanAutM3]

Originally Posted by apar

Great info. I don't plan on tracking my car ever, so Eibach seem like the better choice for me and I like the drop on those.

Did you have the Euro V1 or the Eibach US PRO Kit for your car?

Euro V1

[scoale]

This is a great thread. Thanks to all who have contributed.

Question: I notice people are dropping the front more than the back; does that have any adverse consequences?

I think I am the rare exception where the stock adaptive suspension is more capable than I am and I think the car looks GREAT as is. On a related note, I think the ride is pretty compliant with my 18" 513M wheels.