Iv got 15mm hr springs on mine , Iv had no issue with speed bumps and Iv got a front splitter which is another 10mm or so

Dean

 

Dubz,

H&R are better quality than Eibachs [hence why Germans and Americans tend to gravitate more towards H&R] but they're also more money. H&R springs do ride lower than eibachs - silver car on H&R -15mm springs [nod to Sootyvrs photo of his car].

FWIW I had H&R's -25mm sport springs on my M135i initially - superb - EB car photo below.

OEM passive dampers are not great so if upgrading, a matched set of springs/dampers might be a better shout - see BB thread below - B12 on Peter V MG car - photo below shows it post install and car may settle a bit but not much.

http://www.babybmw.net/forum/viewtopic.php?f=74&t=106386&start=45#p1366661

BP

 

I dissagree about h&r being better quality than eibach, most brands bmw included, mazda, nissan, ford, subaru etc use eibach for their springs both standard and accessorie items,

I have the eibach/motec springs on mine along with their 12+15 mm spacers, ride is better than before with the adaptive dampers, stance is good,

http://s747.photobucket.com/user/sa...m/user/samp4856/media/0CEEEC41-752E-46B7-8B7F-EA8211CAAE56_zpsflgheoro.jpg.html

The h&r springs are firmer than the eibach.

 

I have the Motech Eibach springs and spacers on my M140i. It's my daily car and with 4 up it doesn't rub or catch. I also have a front splitter and no issues with speed bumps. It's a fantastic upgrade and worth every penny.

 

I dissagree about h&r being better quality than eibach, most brands bmw included, .....etc use eibach for their springs both standard and accessorie items,

The h&r springs are firmer than the eibach.

Sam

Correct re BMW

MP springs - made by Eibach to BMW specs

M235i Racing springs - made by H&R

If I'm upgrading my adaptive car to sharpen up the handling - H&R springs are more cohesive for OE adaptive than Eibach.

M135i owner on here - Eibachs / stock passive - sensitive back - driving Eibachs made it worse such he had to switch back to std - Rode in my car and was impressed how much smoother and less crashy my cars road manners were

M135i owner on here at driver training day with Eibachs on std wheels - deformed body work during the day as front springs compressed sufficiently to contact between front wheel and bodywork.

M2 on Eibachs - rode / steered worse than std !

Birds BMW stopped using Eibach - too many issues with product quality - switched to H&R whilst developing their bespoke springs - hence my adaptive car's B1S kit initially had H&R sport springs (to match H&R ARBs on my car)

BP

 

I'm very happy with my Eibach Pro Kit springs and Bilstein B8s. No issues whatsoever and the car handles very well without the ride being compromised.

 

I dissagree about h&r being better quality than eibach, most brands bmw included, .....etc use eibach for their springs both standard and accessorie items,

The h&r springs are firmer than the eibach.

Sam

Correct re BMW

MP springs - made by Eibach to BMW specs

M235i Racing springs - made by H&R

If I'm upgrading my adaptive car to sharpen up the handling - H&R springs are more cohesive for OE adaptive than Eibach.

M135i owner on here - Eibachs / stock passive - sensitive back - driving Eibachs made it worse such he had to switch back to std - Rode in my car and was impressed how much smoother and less crashy my cars road manners were

M135i owner on here at driver training day with Eibachs on std wheels - deformed body work during the day as front springs compressed sufficiently to contact between front wheel and bodywork.

M2 on Eibachs - rode / steered worse than std !

Birds BMW stopped using Eibach - too many issues with product quality - switched to H&R whilst developing their bespoke springs - hence my adaptive car's B1S kit initially had H&R sport springs (to match H&R ARBs on my car)

BP

I shall have to see how my motech/eibachs get on,

The only experiance i personally have with h&r was on my old mx5 before i switched to coilovers, with in 6,000 miles they had sagged and left the rear of the car sitting on the bump stops and the n/s/f snapped a coil, when lookig it up it was a very common thing on them, however this was 2/3 years ago, had the same car on eibachs and didnt experiance the same issues, annoying swapped to h&r as they were meant to be better,

Left the car sitting nice...

http://s747.photobucket.com/user/sa...m/user/samp4856/media/6BF90849-CC39-495F-81F5-59D6461C5C53_zps79hpsqfk.jpg.html

But it rolled like a donky, even with bilstein shocks and uprated arb's

http://s747.photobucket.com/user/sa...m/user/samp4856/media/B915EA10-6DEB-4CAD-836F-34DA38E25764_zps3ym3yrjm.jpg.html

 

The h&r springs are firmer than the eibach.

H&R -25mm rears are actually about 35lb softer than Eibach/stock/AC Schnitzer, Ill dig the figures out if you're interested. They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

 

The h&r springs are firmer than the eibach.

H&R -25mm rears are actually about 35lb softer than Eibach/stock/AC Schnitzer, Ill dig the figures out if you're interested. They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

That makes a lot of sence, my friend has a 135lci on h&r and as a passanger its very crashy, hence why i thought they were stiffer, its obviously where the suspension is running out of travel?

 

The h&r springs are firmer than the eibach.

H&R -25mm rears are actually about 50lb softer than Eibach/stock/AC Schnitzer, Ill dig the figures out if you're interested. They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

That makes a lot of sence, my friend has a 135lci on h&r and as a passanger its very crashy, hence why i thought they were stiffer, its obviously where the suspension is running out of travel?

This is mine on ebachs rides not bad at all

Sent from my iPhone using Tapatalk

 

The h&r springs are firmer than the eibach.

H&R -25mm rears are actually about 35lb softer than Eibach/stock/AC Schnitzer, Ill dig the figures out if you're interested. They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

That makes a lot of sence, my friend has a 135lci on h&r and as a passanger its very crashy, hence why i thought they were stiffer, its obviously where the suspension is running out of travel?

Yup, if he's on stock bumps, it will be all out of travel.

Eibach Rear = 384 lb/inch
AC Schnitzer Rear = 384 lb/inch
OEM M135i Rears = 383 lb/inch
H&R Rear = 348 lb/inch

 

The h&r springs are firmer than the eibach.

They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

They don't - H&R sport springs ride was fine and my car's bumpstops were all good when I swapped to Birds B1S springs.

 

They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

They don't - H&R sport springs ride was fine and my car's bumpstops were all good when I swapped to Birds B1S springs.

How many mm free travel did you have before hitting the stops Dave?

 

Interesting reading. Seems to be differing views and experiences with H&R and Eibach Pro.

I'm mooting both options (with or without different bump stops) and also with or without spacers.

At the moment I'm unable to decide on the final set up..!

I already have an LSD and for about a monkey suspension and stance are a relatively well priced next step upgrade.

 

I'm running the Eibach Pro Kit.

Email from Eibach UK regarding MM drop on an M140i:

"Thanks for your message.

We list this kit as maximum drop of 25mm front and rear drop, however this is against a standard vehicle, the M140i is lowered from the factory so you will not see this full drop, and generally from experience we see that on M cars the front will lower more than the rear.

Best regards / Mit freundlichen Grüßen,

Aftermarket Sales"

Hence the rear sitting slightly higher than the front.

Sent from my iPhone using Tapatalk

 

They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

They don't - H&R sport springs ride was fine and my car's bumpstops were all good when I swapped to Birds B1S springs.

How many mm free travel did you have before hitting the stops Dave?

MP

It was a while back but if my memory serves it was between 1/2" to 3/4"

BP

 

H&R -25mm rears are actually about 35lb softer than Eibach/stock/AC Schnitzer, Ill dig the figures out if you're interested. They slam the car onto the bumpstops, and rely heavily on them for suspending the car!

That makes a lot of sence, my friend has a 135lci on h&r and as a passanger its very crashy, hence why i thought they were stiffer, its obviously where the suspension is running out of travel?

Yup, if he's on stock bumps, it will be all out of travel.

Eibach Rear = 384 lb/inch
AC Schnitzer Rear = 384 lb/inch
OEM M135i Rears = 383 lb/inch
H&R Rear = 348 lb/inch

What bump stops have you fitted to your car ?

Sent from my iPhone using Tapatalk

 

I'm on Eibach rear springs with stock bumps. My Rear arch height is 353mm (from centre of roundel to apex of arch), so still quite high.

I do quite fancy trying some shorter rear bump-stops, BMW part number 33536859769

 

I'm on Eibach rear springs with stock bumps. My Rear arch height is 353mm (from centre of roundel to apex of arch), so still quite high.

I do quite fancy trying some shorter rear bump-stops, BMW part number 33536859769

Marco you are right just spoken to my friend and he has confirmed his bump stops are ruined lol.

 

Try these.

These are listed for the m235 with adaptive Suspension where you can get the m performance springs.

I've yet to install but the intention is to put them with the B8 and eibach pro kit springs

Suppose there must be similar for the 1er.

Sent from my SM-G935F using Tapatalk

 

Try these.

These are listed for the m235 with adaptive Suspension where you can get the m performance springs.

I've yet to install but the intention is to put them with the B8 and eibach pro kit springs

Suppose there must be similar for the 1er.

B8 front struts have integral bumpstops so better off buying just rear MP/shorter bumpstops to save some £££

 

Try these.

These are listed for the m235 with adaptive Suspension where you can get the m performance springs.

I've yet to install but the intention is to put them with the B8 and eibach pro kit springs

Suppose there must be similar for the 1er.

B8 front struts have integral bumpstops so better off buying just rear MP/shorter bumpstops to save some £££

Are they redily available bp? Spoke to my friend earlier on and at his last serivce bmw said his bumpstops were heavily worn and quoted a stupid price to replace with oem.

 

Any BMW main dealer (try Cotswold on here) will be able to order them in for you. The fronts are a PITA to change, but the rears are relatively quick and easy.

 

Are they redily available bp? Spoke to my friend earlier on and at his last serivce bmw said his bumpstops were heavily worn and quoted a stupid price to replace with oem.

Yes

http://www.babybmw.net/viewtopic.php?f=49&t=103542&p=1329641#p1329641

 

I'm about to order the Motech Eibach springs. I was going to order the front and rear M Performance bumpstops stops.

Is there any reason not to change the front bumps?

IIRC with OE MPS, you only get front b/stops so BMW must think these are more of a priority to swap out than the rears.

IMHO, if going to Motech for spring swap and wanting to upgrade b/stops, I'd supply all 4 corners as the extra labour cost to swap out b/stops during a spring swap should be negligible - but best check with Motech directly to be sure.