Bilstein B4 kit

[Dr. Zed]

Hi all,

Looking for B4's. Will look at buying new but figured I'd ask here first. Preferably looking for the whole kit but will consider just the shocks as well.
Not looking for anything other than the whole kit or shocks as it's the shocks I need the most.

Thanks!

 

[enuff_zed]

Don't forget that once they're fitted we'll need B4 and after photos.

 

[SonnyA85]

Apparently there is a shortage of some bilstein products in the suspension and shocks department so if you are in need I'd just order from whoever has stock in hand.

Raw materials issue I think at manufacturing

 

[ARCS]

Or even better, why not go down the fully adjustable route and have the ride height and comfort set to your satisfaction?

https://z4-forum.com/forum/viewtopic.php?t=136643

 

[Dr. Zed]

Don't forget that once they're fitted we'll need B4 and after photos.

Working on it. But as Sonny said there is definitely a a shortage. Eurocarparts wanted 180 per shock!
Auto doc was tbe next option but once they're in all be sure to post!

 

[Dr. Zed]

Or even better, why not go down the fully adjustable route and have the ride height and comfort set to your satisfaction?

https://z4-forum.com/forum/viewtopic.php?t=136643

£800 Well outside of my budget for shocks unfortunately. I'm trying to keep the car as stock as possible too but glws mate!

 

[enuff_zed]

Don't forget that once they're fitted we'll need B4 and after photos.

Working on it. But as Sonny said there is definitely a a shortage. Eurocarparts wanted 180 per shock!
Auto doc was tbe next option but once they're in all be sure to post!

Are you set on the B4s?
I always use Sachs OEM and have had no issues.

 

[True-Blue]

Don't forget that once they're fitted we'll need B4 and after photos.

Working on it. But as Sonny said there is definitely a a shortage. Eurocarparts wanted 180 per shock!
Auto doc was tbe next option but once they're in all be sure to post!

Are you set on the B4s?
I always use Sachs OEM and have had no issues.

Me too, Sachs is the O.E. Shock.

There’s a photo on here somewhere of the B4 next to the Sachs and the B4 has a longer piston, so likely to be under greater compression more of the time.

 

[Dr. Zed]

Don't forget that once they're fitted we'll need B4 and after photos.

Working on it. But as Sonny said there is definitely a a shortage. Eurocarparts wanted 180 per shock!
Auto doc was tbe next option but once they're in all be sure to post!

Are you set on the B4s?
I always use Sachs OEM and have had no issues.

Not at all set on the B4's but they're cheaper than Sachs oddly from basically anywhere I've looked.

 

[enuff_zed]

Working on it. But as Sonny said there is definitely a a shortage. Eurocarparts wanted 180 per shock!
Auto doc was tbe next option but once they're in all be sure to post!

Are you set on the B4s?
I always use Sachs OEM and have had no issues.

Not at all set on the B4's but they're cheaper than Sachs oddly from basically anywhere I've looked.

Well sadly you missed the 39% yesterday, but I got Sachs from Autodoc for:
NSF - £87.83
OSF - £82.39
No idea why they're different?
Didn't need rears this time, but looking back I last bought them for £52.68 each

 

[Rockhopper]

I've put B4's on my car - no idea on longevity yet but BWM OEM are Sachs and on my 100,000 mile old car the rear ones had been replaced at least once before so lets say 50k miles and they are shot (and not just a little bit shot - zero damping at either end). I personally don't think that's very good!

 

[enuff_zed]

I've put B4's on my car - no idea on longevity yet but BWM OEM are Sachs and on my 100,000 mile old car the rear ones had been replaced at least once before so lets say 50k miles and they are shot (and not just a little bit shot - zero damping at either end). I personally don't think that's very good!

I'll be honest, I think 30-40k on any standard set of shocks is reasonable considering the life they lead.

 

[Dr. Zed]

Well sadly you missed the 39% yesterday, but I got Sachs from Autodoc for:
NSF - £87.83
OSF - £82.39
No idea why they're different?
Didn't need rears this time, but looking back I last bought them for £52.68 each

My ones were different prices too. 106 for right and 114 for left I believe. So same as yours with difference in price for near and offside.
Odd that.

Though I've just spoken with my mate that works at car parts store. He can do front B4's for 175 so I cancelled autodoc order.

He's just come back to me to say their system says my car had M suspension.
Any idea how this could be? It definitely has Sachs front (which I assume isn't M).

Was M suspension an optional extra for non M cars by any chance?

 

[SonnyA85]

Well sadly you missed the 39% yesterday, but I got Sachs from Autodoc for:
NSF - £87.83
OSF - £82.39
No idea why they're different?
Didn't need rears this time, but looking back I last bought them for £52.68 each

My ones were different prices too. 106 for right and 114 for left I believe. So same as yours with difference in price for near and offside.
Odd that.

Though I've just spoken with my mate that works at car parts store. He can do front B4's for 175 so I cancelled autodoc order.

He's just come back to me to say their system says my car had M suspension.
Any idea how this could be? It definitely has Sachs front (which I assume isn't M).

Was M suspension an optional extra for non M cars by any chance?

all 3 litres pre facelift come with M sport suspension as standard others it's an optional extra

 

[enuff_zed]

I have fitted standard Sachs shocks to a 3.0 with sport suspension and kept the original springs. It works fine as the shock will accept a small drop without issue.
However, someone posted a photo of B4s and they are longer than Sachs so would need to compress further. Not sure if this would work so well? I have no experience of them to advise you.

 

[Dr. Zed]

all 3 litres pre facelift come with M sport suspension as standard others it's an optional extra

I have a 2.5 pre so might have added it as an extra from new.

 

[Dr. Zed]

I have fitted standard Sachs shocks to a 3.0 with sport suspension and kept the original springs. It works fine as the shock will accept a small drop without issue.
However, someone posted a photo of B4s and they are longer than Sachs so would need to compress further. Not sure if this would work so well? I have no experience of them to advise you.

Well Sachs came out so I guess someone replaced them at some point if my guy is saying their system is telling them it had M suspension from factory.
I take it M suspension added an optional extra will say M-sport on the shocks somewhere?

 

[enuff_zed]

I have fitted standard Sachs shocks to a 3.0 with sport suspension and kept the original springs. It works fine as the shock will accept a small drop without issue.
However, someone posted a photo of B4s and they are longer than Sachs so would need to compress further. Not sure if this would work so well? I have no experience of them to advise you.

Well Sachs came out so I guess someone replaced them at some point if my guy is saying their system is telling them it had M suspension from factory.
I take it M suspension added an optional extra will say M-sport on the shocks somewhere?

The ones I removed were originals after 112k! there was no vestige of a label left anywhere on them, sorry.

 

[Dr. Zed]

The ones I removed were originals after 112k! there was no vestige of a label left anywhere on them, sorry.

Yeah mine are coming out at 107k. Some labels on them but nothing to suggest they're M. Would have thought there was a way to tell.
Might need to go to the forum and ask.

 

[enuff_zed]

The ones I removed were originals after 112k! there was no vestige of a label left anywhere on them, sorry.

Yeah mine are coming out at 107k. Some labels on them but nothing to suggest they're M. Would have thought there was a way to tell.
Might need to go to the forum and ask.

I know Autodoc supply the same Sachs ones as I've had them now on a 2.2i, 3.0i and a 2.5si. All without issues.
I'll check realoem