H&R sports drop on non-sports suspension

karliejai · 10-17-2007, 02:35 AM

alright i know this have been cover a couple times and i went over a couple threads too but there are many different point of view etc.

i really want to clear up how would the H&R sports springs do on the stock NON-sports package suspension from an expert. also roughtly how much of a drop would it be then from the NON-sports package suspension?

all help would be welcome and appreicated as i am close to purchasing the springs and get it done before it gets too cold! thanks.

Fraggy · 10-17-2007, 11:21 AM

Im not an expert, but I did it and it didnt work well.

Chowbow · 10-17-2007, 01:35 PM

I'm not an expert either but don't lower your car unless you get good aftermarket shocks with the springs.

karliejai · 10-17-2007, 02:35 PM

Quote:

Originally Posted by Fraggy

Im not an expert, but I did it and it didnt work well.

hows your Eibach Pro-Kit and Koni FSD treating you? rides well?

ScheerSpeed · 10-17-2007, 04:37 PM

i have H&R sport and ZSP shocks. its a little bouncy when theres 4 or more people in the car, but other than that its stiff and i like it.

JacobT · 10-17-2007, 07:56 PM

The H&R sport springs are shorter than stock springs that's where the drop comes from. When installed with stock shocks, the shocks are constantly under compressed/pressured and will eventually be bottomed-out. It usually happens after about a year depends on how hard you drive it. The symptom is very bouncy after you hit a bump at higher speed. It feels like you're going to lose control of the car after the bump.

I have had two sets of "performance" springs installed before just for the looks but eventually swapped out for coilovers due to "bottomed-out". Two charges of labor cost to do the swapping were kind of expensive so I'd go with KW V2 in the 1st place

Fraggy · 10-17-2007, 10:06 PM

Quote:

Originally Posted by karliejai

hows your Eibach Pro-Kit and Koni FSD treating you? rides well?

I dont have that car anymore, but they are nice, no doubt.

10-17-2007, 02:35 AM	#1
karliejai Da Kid 123 Rep 4,576 Posts Drives: JetBlack e90 335i Join Date: Mar 2007 Location: USA iTrader: (4)	H&R sports drop on non-sports suspension alright i know this have been cover a couple times and i went over a couple threads too but there are many different point of view etc. i really want to clear up how would the H&R sports springs do on the stock NON-sports package suspension from an expert. also roughtly how much of a drop would it be then from the NON-sports package suspension? all help would be welcome and appreicated as i am close to purchasing the springs and get it done before it gets too cold! thanks. __________________ MODS: OEM Front Splitter \| ACS Roof Spoiler \| OEM Trunk Spoiler \| Matt Black Front Grill \| Black Shadowline Window Trim \| Painted Front Lower Rod \| Blacklines \| JDM Yellow Fogs \| Custom Silver CF Headlights with LUX 4.0 \| Eisenhaus Sports Exhaust
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10-17-2007, 11:21 AM	#2
Fraggy Brigadier General 198 Rep 3,469 Posts Drives: 2016 M3 Join Date: Jun 2005 Location: San Diego iTrader: (11)	Im not an expert, but I did it and it didnt work well. __________________ 2016 Alpine White M3 (gone) 2019 Alfa Romeo Guilia (Totaled) 2020 Car-less 😁 (no more) 2020 M340
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10-17-2007, 01:35 PM	#3
Chowbow pew pew 169 Rep 6,781 Posts Drives: 三三五i Join Date: Aug 2007 Location: CA iTrader: (6) Garage List 2015 BMW 328i wagon [0.00] 2007 BMW 335i sedan [10.00] 1997 BMW 328i track ... [10.00]	I'm not an expert either but don't lower your car unless you get good aftermarket shocks with the springs. __________________ CSL replicas are now CSL counterfeits. Jesus saves, like Valentine1.
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10-17-2007, 04:37 PM	#5
ScheerSpeed Major General 436 Rep 5,766 Posts Drives: '13 F30 Estoril M-Sport 335i Join Date: Sep 2006 Location: Miami, FL iTrader: (14)	i have H&R sport and ZSP shocks. its a little bouncy when theres 4 or more people in the car, but other than that its stiff and i like it.
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10-17-2007, 07:56 PM	#6
JacobT Captain 74 Rep 751 Posts Drives: 08 E90 335i JB Join Date: Sep 2007 Location: Austin TX iTrader: (2) Garage List 2008 BMW E90 335iA [9.50] 1999 Lexus GS400 [0.00]	The H&R sport springs are shorter than stock springs that's where the drop comes from. When installed with stock shocks, the shocks are constantly under compressed/pressured and will eventually be bottomed-out. It usually happens after about a year depends on how hard you drive it. The symptom is very bouncy after you hit a bump at higher speed. It feels like you're going to lose control of the car after the bump. I have had two sets of "performance" springs installed before just for the looks but eventually swapped out for coilovers due to "bottomed-out". Two charges of labor cost to do the swapping were kind of expensive so I'd go with KW V2 in the 1st place
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