The Shock/Strut Thread

dirtye84 · 08-30-2015, 04:54 PM

will the e9x rear sway bar fit the sdrive x1?

PrematureApex · 08-30-2015, 08:52 PM

Quote:

Originally Posted by dirtye84

will the e9x rear sway bar fit the sdrive x1?

Yes, the rear is all the same. If you bother to do it though, put a big bar back there vs. an OE M3, etc.

dirtye84 · 09-08-2015, 11:43 AM

Quote:

Originally Posted by PrematureApex

Quote:

Originally Posted by dirtye84

will the e9x rear sway bar fit the sdrive x1?

Yes, the rear is all the same. If you bother to do it though, put a big bar back there vs. an OE M3, etc.

which sway bar would u recommend? instead of oem m3 one.

PrematureApex · 09-08-2015, 11:45 AM

Quote:

Originally Posted by kychungkevin

I ordered from the ebay seller nh-tuning_de; it's a shop in Brandenburg Germany. I tired to order within US but nobody have it so I took the risk. Took almost a month to gets here (NH shipped out fast but DHL-USPS shipping did not help) and the package seem opened; could be the US custom?
Anyway it's all in with 4 Eibach's Springs and 4 B6 shocks. Also the Whiteline bushing is in. Waiting for the M3 sway and will be install on Sept 4th!

You get them installed yet?

PrematureApex · 09-08-2015, 11:46 AM

Quote:

Originally Posted by dirtye84

which sway bar would u recommend? instead of oem m3 one.

I'm not sure what's popular on E90s, but I'm sure whatever the baseline upgrade H&R, Hotchkis, etc. are all going to be comparable.

dirtye84 · 09-08-2015, 11:54 AM

Quote:

Originally Posted by PrematureApex

Quote:

Originally Posted by dirtye84

which sway bar would u recommend? instead of oem m3 one.

I'm not sure what's popular on E90s, but I'm sure whatever the baseline upgrade H&R, Hotchkis, etc. are all going to be comparable.

the best one i could find is the oem one. 23.6 mm. the other one i found was the h&r which is 23 mm.

PrematureApex · 09-08-2015, 12:10 PM

Quote:

Originally Posted by dirtye84

the best one i could find is the oem one. 23.6 mm. the other one i found was the h&r which is 23 mm.

Yup, that's the M3 convertible rear bar, the sedan/coupe bar is 20mm out back IIRC.

Not sure if the H&R bar is stiffer than the M3 vert bar. Keep in mind, it's not only the diameter of the bar, but also the length of the bar's lever arms. We'd need to find out if H&R cheated the lengths a bit shorter to add stiffness (a common practice with aftermarket bars) despite a similar diameter.

dirtye84 · 09-08-2015, 12:15 PM

Quote:

Originally Posted by PrematureApex

Quote:

Originally Posted by dirtye84

the best one i could find is the oem one. 23.6 mm. the other one i found was the h&r which is 23 mm.

Yup, that's the M3 convertible rear bar, the sedan/coupe bar is 20mm out back IIRC.

Not sure if the H&R bar is stiffer than the M3 vert bar. Keep in mind, it's not only the diameter of the bar, but also the length of the bar's lever arms. We'd need to find out if H&R cheated the lengths a bit shorter to add stiffness (a common practice with aftermarket bars) despite a similar diameter.

ok. ill check into that. will it be safe or a decent step up from stock. if i just upgrade rear and not the front?

PrematureApex · 09-08-2015, 12:20 PM

Quote:

Originally Posted by dirtye84

ok. ill check into that. will it be safe or a decent step up from stock. if i just upgrade rear and not the front?

I'm sure Para can chime in, but he likes his upgraded rear bar a lot.

Honestly, it's going to depend on how you drive your car. Putting around town, it's a waste of money.

dirtye84 · 09-08-2015, 12:21 PM

Quote:

Originally Posted by PrematureApex

Quote:

Originally Posted by dirtye84

ok. ill check into that. will it be safe or a decent step up from stock. if i just upgrade rear and not the front?

I'm sure Para can chime in, but he likes his upgraded rear bar a lot.

Honestly, it's going to depend on how you drive your car. Putting around town, it's a waste of money.

i like to drive "spiritely" in "mexico" or in the mountains

kychungkevin · 09-08-2015, 03:03 PM

Ok guys I finally install the Bilstein kit and M3 sways bar with STI links. The shop didn't have enough time to put in the sub frame bushing so I skip that and maybe do the insert down the road instead.
So far the car only drop very little but I am sure it will be more once the springs settle and that's exactly what I wants. What surprise me is how smooth the ride is; no more floating but very taut. Not hard at all. Still roll a bit on corner but much less than before and the response are quicker. The best is the rear which is much more lively. IMO this is what a stock BMW should feels like, sporty yet comfortable.

Before (first 2) and After:

PrematureApex · 09-08-2015, 05:37 PM

Stinks about the bushings. They already dropped the rear subframe to do the bar...the bushings should have taken mere minutes in addition to that.

Anyway, any bottoming out over large bumps at high speeds?

On a related note, just picked up an E90 M3 rear bar w/bushings/brackets on ebay for $140 shipped.

Now, should I put it on the 135 or the X1? Decisions decisions...

kychungkevin · 09-09-2015, 11:59 AM

You got a great deal for the bar package! Maybe get another set and install on both cars?

Shop said they didn't need to drop the subframe for the bar just lose it up a bit.

No bottom out at all. It is almost feels like stock just more bottom down. It's still roll a bit more than I like but the limit is much improve when I push it. I guess Eibach springs are really much softer than H&R?

Quote:

Originally Posted by PrematureApex

Stinks about the bushings. They already dropped the rear subframe to do the bar...the bushings should have taken mere minutes in addition to that.

Anyway, any bottoming out over large bumps at high speeds?

On a related note, just picked up an E90 M3 rear bar w/bushings/brackets on ebay for $140 shipped.

Now, should I put it on the 135 or the X1? Decisions decisions...

PrematureApex · 09-09-2015, 12:26 PM

Quote:

Originally Posted by kychungkevin

Shop said they didn't need to drop the subframe for the bar just lose it up a bit.

Yup...you can sneak the bar out just letting it hang down 4 inches or so. But that's how you get the bushings out too.

You going to skip the bushings all together, or just install later?

Quote:

Originally Posted by kychungkevin

No bottom out at all. It is almost feels like stock just more bottom down. It's still roll a bit more than I like but the limit is much improve when I push it. I guess Eibach springs are really much softer than H&R?

Not sure, the H&Rs still have some roll, albeit what feels like a bit less than stock.

fw_fw · 09-09-2015, 04:18 PM

Quote:

Originally Posted by kychungkevin

No bottom out at all. It is almost feels like stock just more bottom down. It's still roll a bit more than I like but the limit is much improve when I push it. I guess Eibach springs are really much softer than H&R?

What did they do for the bumpstops? Use the stock ones, replacements, or shorten them??

kychungkevin · 09-09-2015, 04:53 PM

Quote:

Originally Posted by PrematureApex

Yup...you can sneak the bar out just letting it hang down 4 inches or so. But that's how you get the bushings out too.

You going to skip the bushings all together, or just install later?

Since I already missed the boat I just skip it for now. Or maybe do a insert one instead.

kychungkevin · 09-09-2015, 04:55 PM

Quote:

Originally Posted by fw_fw

What did they do for the bumpstops? Use the stock ones, replacements, or shorten them??

Stock and I drove on highway, country road and local with train track crossing without issue.

PrematureApex · 09-09-2015, 05:14 PM

Quote:

Originally Posted by kychungkevin

Since I already missed the boat I just skip it for now. Or maybe do a insert one instead.

You should sell them to me.

The install for the (e.g. whiteline) inserts vs. the whiteline full bushings is so similar, it's probably not worth doing one vs. the other. I ran the inserts on the 1er at one point, only to remove them and go full.

kychungkevin · 09-09-2015, 09:04 PM

Quote:

Originally Posted by PrematureApex

You should sell them to me.

The install for the (e.g. whiteline) inserts vs. the whiteline full bushings is so similar, it's probably not worth doing one vs. the other. I ran the inserts on the 1er at one point, only to remove them and go full.

What do you think about the full bushing on your 1er? I am actually afraid it make the back too bumpy and transfer all the noise in.

PrematureApex · 09-10-2015, 06:38 AM

Quote:

Originally Posted by kychungkevin

What do you think about the full bushing on your 1er? I am actually afraid it make the back too bumpy and transfer all the noise in.

Oh don't be. Absolutely ZERO increase in noise/vibration/harshness. I've never heard anyone say anything different over the years. It's one of the reasons it makes it so ridiculous that BMW ruined the rear of the car...for apparently no reason at all.

kychungkevin · 09-10-2015, 11:53 AM

Quote:

Originally Posted by PrematureApex

Oh don't be. Absolutely ZERO increase in noise/vibration/harshness. I've never heard anyone say anything different over the years. It's one of the reasons it makes it so ridiculous that BMW ruined the rear of the car...for apparently no reason at all.

Good to know!

PrematureApex · 09-11-2015, 05:17 PM

Not necessarily relevant to the thread...but I pulled the trigger on subframe bushings for the X1 after deciding that it would get the M3 rear bar. I'll install them in a week or so when they get here.

Need to make sure I have propane for my torch!

08-30-2015, 04:54 PM	#111
dirtye84 Private 11 Rep 75 Posts Drives: BMW X1 Join Date: Apr 2015 Location: Atlanta, GA iTrader: (0)	will the e9x rear sway bar fit the sdrive x1?
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09-08-2015, 03:03 PM	#121
kychungkevin Private First Class 19 Rep 100 Posts Drives: BMW X1 xdrive28i Join Date: Sep 2012 Location: NJ iTrader: (0)	Ok guys I finally install the Bilstein kit and M3 sways bar with STI links. The shop didn't have enough time to put in the sub frame bushing so I skip that and maybe do the insert down the road instead. So far the car only drop very little but I am sure it will be more once the springs settle and that's exactly what I wants. What surprise me is how smooth the ride is; no more floating but very taut. Not hard at all. Still roll a bit on corner but much less than before and the response are quicker. The best is the rear which is much more lively. IMO this is what a stock BMW should feels like, sporty yet comfortable. Before (first 2) and After: Attached Images
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09-08-2015, 05:37 PM	#122
PrematureApex Colonel 840 Rep 2,402 Posts Drives: N55 X1, N54 135, s54 m3 Join Date: Jan 2008 Location: Philadelphia iTrader: (0)	Stinks about the bushings. They already dropped the rear subframe to do the bar...the bushings should have taken mere minutes in addition to that. Anyway, any bottoming out over large bumps at high speeds? On a related note, just picked up an E90 M3 rear bar w/bushings/brackets on ebay for $140 shipped. Now, should I put it on the 135 or the X1? Decisions decisions... __________________ '02 S54 M3 (500/500 GC/Koni) '08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs) '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)
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09-11-2015, 05:17 PM	#132
PrematureApex Colonel 840 Rep 2,402 Posts Drives: N55 X1, N54 135, s54 m3 Join Date: Jan 2008 Location: Philadelphia iTrader: (0)	Not necessarily relevant to the thread...but I pulled the trigger on subframe bushings for the X1 after deciding that it would get the M3 rear bar. I'll install them in a week or so when they get here. Need to make sure I have propane for my torch! __________________ '02 S54 M3 (500/500 GC/Koni) '08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs) '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)
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