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#1: Cutting bump stops when lowering springs Author: evilnickwong, Location: TTDI, KL

Posted: Tue Apr 07, 2009 10:01 am
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Just curious here after doing some reading, does anyone cut their bump stops after installing lowering springs so that the absorbers still have the normal amount of strut travel?

#2: Re: Cutting bump stops when lowering springs Author: chriseunos,

Posted: Tue Apr 07, 2009 3:25 pm
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cutting ori stuff? that is SOOOOO NOT YOUUUUUUUUUUU

#3: Re: Cutting bump stops when lowering springs Author: evilnickwong, Location: TTDI, KL

Posted: Wed Apr 08, 2009 1:46 am
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Haha I know.

But if it's necessary for allowing the absorbers to work at their full capacity, then of course it should be considered. I don't feel them bottoming out too often as long as I don't go over bumps too quick, but I just think it's something to check out haha.

#4: Re: Cutting bump stops when lowering springs Author: highwaystar, Location: Kola Lompuer

Posted: Wed Apr 08, 2009 2:04 am
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Sorry never heard of this b4, may i know what is bump stop?

this aerolas and nipples?

#5: Re: Cutting bump stops when lowering springs Author: evilnickwong, Location: TTDI, KL

Posted: Wed Apr 08, 2009 2:48 am
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Those are the spring pads I think.

Bump stop is this one :

#6: Re: Cutting bump stops when lowering springs Author: highwaystar, Location: Kola Lompuer

Posted: Wed Apr 08, 2009 3:52 am
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ohhh... dampers... i never cut because

1. Not cheap (i'm a cheapskate)
2. Worn out easy especially when its dried therefore
i let my absorber work out on its own way.

#7: Re: Cutting bump stops when lowering springs Author: evilnickwong, Location: TTDI, KL

Posted: Wed Apr 08, 2009 4:16 am
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I read that certain designs of camber plates or top mounts can also allow for more travel, but I'm not too sure which, I think it was Ground Control.

Anyway, here's some good stuff to read:
www.e30m3project.com/e...travel.htm
www.dinancars.com/bmw/...ion-travel

#8: Re: Cutting bump stops when lowering springs Author: wks79,

Posted: Wed Apr 08, 2009 4:36 pm
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wei ..all the parts looks like sextoys leh..

#9: Re: Cutting bump stops when lowering springs Author: evilnickwong, Location: TTDI, KL

Posted: Thu Apr 09, 2009 1:22 am
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Put your dirty mind to the back for a moment and concentrate on some serious suspension topic yo. Laughing

#10: Re: Cutting bump stops when lowering springs Author: highwaystar, Location: Kola Lompuer

Posted: Thu Apr 09, 2009 1:24 am
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wks79 wrote:

wei ..all the parts looks like sextoys leh..

hahahaha... yer lerrr hehehehe

#11: Re: Cutting bump stops when lowering springs Author: eezuan, Location: kuala lumpur

Posted: Thu Apr 09, 2009 5:56 pm
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yeah... i cut them..
because to let my absorbers play more.

#12: Re: Cutting bump stops when lowering springs Author: highwaystar, Location: Kola Lompuer

Posted: Fri Apr 10, 2009 4:49 am
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Whatever it is, i suggest not to cut weii... you'll end up looking for Oil sump cover. Damper the shocks is to prolong your shocks life span, if you take cornering, the bump stop will at least contributed 20% of shocks stiffness.

if you cut your dampers/bump stop, you can just imagine when you take corner and suddenly you ran through a pot hole... your car will be more lowered at that split second time and you might hit road surface which damaged your oil sump, front lips and even your inner fenders. Kira kalau naik kapchai cecah keluar api lorrr

If you hit oil sump and broke... that will be troublesome and also danger other motorist as well. This will not be as dangerous if you running on racetrack.

There is so much R&D involved here, you have to calculate your shocks travel like bilstein, boge, koni etc. Each shocks have their own characteristic, also, you have to R&D with your lowered springs aswell, once calibrated... then you will be okay but these will taken so much time, so much money.

my 2 cents

#13: Re: Cutting bump stops when lowering springs Author: boy_mtech, Location: Selangor

Posted: Fri Apr 10, 2009 5:14 am
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takut nanti akan menjejaskan absorber pulak.so better janganla wey....
nanti ada pula absorber yg leaking.dahla mahal absorber BM ni...

#14: Re: Cutting bump stops when lowering springs Author: theduke,

Posted: Thu Jul 23, 2009 8:14 pm
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my shocks inserts do not have these bumpstoppers.will it effect anything?kindly advise.tq.

#15: Re: Cutting bump stops when lowering springs Author: jeembo, Location: Car_Junk

Posted: Thu Jul 23, 2009 8:48 pm
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as far as i know is that the "bump stop" protects your absorber piston rod against valve damage often due to stones and grit....

bro evil, guess u'll have to buy the aftermarket performance parts if you wanna still have the normal strut travel...this shud prevent from damaging ur absorbers when using lowered springs...i think so la...hehehhe

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