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      11-22-2013, 09:52 AM   #1
avantix
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H&R Sport Springs on XDrive = Blown shock already

Hi guys, here's a 2 month post install update on H&R Sport springs on 2013 Xdrive 335. Hit a few potholes as usual, nothing crazy and already front wheel is slightly bent and 1 shock completely blown (leaking fluid). For whatever it's worth I have the adaptive suspension.

If you live somewhere where the roads are crappy and decide to use these springs, I would recommend matching shocks.
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      11-22-2013, 10:10 AM   #2
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      11-22-2013, 10:10 AM   #3
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No shocks out yet for us X-drives as far as I know though, correct ?
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      11-22-2013, 11:01 AM   #4
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Not surprise especially when you mentioned a bent wheel, you must've hit the biggest pothole in ur life.
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      11-22-2013, 11:19 AM   #5
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I can't believe h&r sells these without letting ppl know that they should not be used without proper shocks! These should only be used with matching shocks and struts
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      11-22-2013, 11:37 AM   #6
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Quote:
Originally Posted by Tditty View Post
I can't believe h&r sells these without letting ppl know that they should not be used without proper shocks! These should only be used with matching shocks and struts
Huh?

If you hit a pothole hard enough to bend your wheel and it blows a strut, that has very little to do with the spring manufacturer.
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      11-22-2013, 11:39 AM   #7
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Originally Posted by nokiaprinter View Post
Not surprise especially when you mentioned a bent wheel, you must've hit the biggest pothole in ur life.
Here's the thing, with these springs every pothole you run into feels like the biggest in your life. Not sure if I will put them back on even though the car looks spectacular with them on.
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      11-22-2013, 11:40 AM   #8
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No shocks out yet for us X-drives as far as I know though, correct ?
Not sure to be honest. I imagine selection gets even narrower with adaptive suspension.
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      11-22-2013, 11:45 AM   #9
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Huh?

If you hit a pothole hard enough to bend your wheel and it blows a strut, that has very little to do with the spring manufacturer.
Not exactly. On my way to work there are a few uneven spots in the pavement. With the stock suspension they are hardly felt, with the H&R springs it feels like it bottoms out hard.
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      11-22-2013, 11:46 AM   #10
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Quote:
Originally Posted by avantix View Post
Not sure to be honest. I imagine selection gets even narrower with adaptive suspension.
I imagine so. I ran aftermarket Tein springs on my 2006 civic and Eibachs on my 2009 G37S with OEM shocks and never blew anything. Both saw over 60k miles and Canadian winters and all kinds of potholes and rough conditions. Now I'm all paranoid with the 335.
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      11-22-2013, 11:47 AM   #11
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Originally Posted by 2blu View Post
I imagine so. I ran aftermarket Tein springs on my 2006 civic and Eibachs on my 2009 G37S with OEM shocks and never blew anything. Both saw over 60k miles and Canadian winters and all kinds of potholes and rough conditions. Now I'm all paranoid with the 335.
Did you change the springs on your 335?
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      11-22-2013, 11:51 AM   #12
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Quote:
Originally Posted by avantix View Post
Did you change the springs on your 335?
Was considering it but now I'm having second thoughts. I dont want to be slammed, I just want a moderate/light drop.

Might end up getting coil overs and have them set at the highest setting but it kind of defies the purpose. I'd consider the M-Perf suspension but it's "not compatible" with X-drives.
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      11-22-2013, 11:54 AM   #13
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Quote:
Originally Posted by 2blu View Post
Was considering it but now I'm having second thoughts. I dont want to be slammed, I just want a moderate/light drop.

Might end up getting coil overs and have them set at the highest setting but it kind of defies the purpose. I'd consider the M-Perf suspension but it's "not compatible" with X-drives.
Same here. I didn't want the slammed look either and hate the jeep like appearance of the stock xdrive suspension and settled on H&R. I'd gladly have opted and paid for oem but seems nothing is available. Hopefully in the coming year they release something for the xdrive folks. BMW is shifting towards AWD models it seems these days so maybe it is forthcoming.
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      11-22-2013, 11:57 AM   #14
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Quote:
Originally Posted by avantix View Post
Not exactly. On my way to work there are a few uneven spots in the pavement. With the stock suspension they are hardly felt, with the H&R springs it feels like it bottoms out hard.
There is no way to know if the same pothole would have killed the strut on stock springs. It also could have been a subpar strut from the factory.

Basically, I am sure a Sport spring will REDUCE the life of your stock struts-that is to be expected. But dying a death like this-it's a bit of an abnormality-everything has a breaking point. The fact that you bent a wheel, means it was a pretty hard impact.
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      11-22-2013, 11:59 AM   #15
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I'm not in a rush because I wouldn't drop my car until after winter either way, but I still wish there were some clear options out there for our cars ! I don't know why BMW wouldn't make a sportier suspension available for the X-Drives. If the X-drive suspension parts have the same part numbers as the base suspension parts then it means that the M-performance parts should fit... Going to check that out.
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      11-22-2013, 12:01 PM   #16
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Quote:
Originally Posted by Jamesons Viggen View Post
There is no way to know if the same pothole would have killed the strut on stock springs. It also could have been a subpar strut from the factory.

Basically, I am sure a Sport spring will REDUCE the life of your stock struts-that is to be expected. But dying a death like this-it's a bit of an abnormality-everything has a breaking point. The fact that you bent a wheel, means it was a pretty hard impact.
I agree with you. There is no way to tell but I was surprised when they told me it was blown. I asked the mechanic and he said that lower sport springs and runflats on stock struts is hardest on the struts since the runflats do not compress as much as non-runflats so all that is left to take the hit is the strut or shock.
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      11-22-2013, 12:03 PM   #17
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Quote:
Originally Posted by 2blu View Post
I'm not in a rush because I wouldn't drop my car until after winter either way, but I still wish there were some clear options out there for our cars ! I don't know why BMW wouldn't make a sportier suspension available for the X-Drives. If the X-drive suspension parts have the same part numbers as the base suspension parts then it means that the M-performance parts should fit... Going to check that out.
Let me know what you find. Do you have M adaptive suspension?
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      11-22-2013, 12:06 PM   #18
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Let me know what you find. Do you have M adaptive suspension?
Part numbers are different. It's a one digit difference but still different lol. No, I don't have the M-Adapative suspension, but my brother does and we're both seeking to slightly lower/stiffen the ride.
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      11-22-2013, 12:26 PM   #19
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Quote:
Originally Posted by avantix View Post
I agree with you. There is no way to tell but I was surprised when they told me it was blown. I asked the mechanic and he said that lower sport springs and runflats on stock struts is hardest on the struts since the runflats do not compress as much as non-runflats so all that is left to take the hit is the strut or shock.
Distinctly possible.

I have my H&Rs mixed with non RFTs, so perhaps it would be far worse.
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      11-22-2013, 12:27 PM   #20
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Quote:
Originally Posted by 2blu View Post
No shocks out yet for us X-drives as far as I know though, correct ?
KW makes a kit for the adaptive cars.
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      11-26-2013, 09:54 PM   #21
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Adaptive dampers are very tied into the other parts and systems on the car, and mechanically optimized for the stock set up to a high degree (meaning the designed lengths, oil volumes, gas pressures, ride heights, not necessarily 100% optimum tuning). Modifying cars with adaptive suspensions is a risk. You could screw up the what the sensors are reading, or cause the damper to run at higher pressures than normal. It might all work fine . . . until it doesn't.

Even aftermarket shock manufacturers have no clue how adaptive dampers work, or what the design limits of the OEM stuff are, let alone a spring maker like H&R.

Now, more than ever before, you modify at your own risk.

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      11-26-2013, 10:04 PM   #22
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Even aftermarket shock manufacturers have no clue how these things work, or what the design limits of the OEM stuff is, let alone a spring maker like H&R.
I would have to disagree. H&R does quite a bit of R&D, as do companies like Dinan, Eibach, etc. To suggest that they just coil up some metal with guesstimates sounds a bit myopic.
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