[951's 330i]

How big of a difference is the ride quality? Can you feel more bumps on the road? Better or worse? Thanks!

[Malek@MRF]

H&R race is considerably more stiff than stock and you definetely need upgraded shocks. But personally I think the H&R sports perform better with aftermarket shocks VS. the race versions.

[951's 330i]

Originally Posted by Malekreza11

H&R race is considerably more stiff than stock and you definetely need upgraded shocks. But personally I think the H&R sports perform better with aftermarket shocks VS. the race versions.

So if i do get them, then for sure i need to buy shocks then right. And you mean after market shocks too right? Thanks for chiming in!

[951's 330i]

Forgot to mention, i also have the sports suspension.

[nicknaz]

you definitely need aftermarket dampers and the ride will be noticeably rougher than stock. there's no way around it since you will be going to a stiffer spring and firmer damping to match

[SV Concepts II]

Ride quality is all based on preference given good suspension components.

Based on my experience, as long as you use quality components, the ride will be more stiff but it will not necessarily be rough. Even with the H&R race and a pair of decent aftermarket shocks, the ride will be stiff but not uncomfortable.

[Malek@MRF]

Originally Posted by 951's 330i

So if i do get them, then for sure i need to buy shocks then right. And you mean after market shocks too right? Thanks for chiming in!

AFtermarket shocks are a must with the Race springs. Even the Koni's, from my own observations aren't up to par with the race springs. The Koni shocks play well with the SPORT springs IMO.

Secondly, some of the unwanted characteristics of the Race springs are from the car merely being too low! Suspension geometry is at it's limit and once loaded up on a turn, etc, the suspension is operation in a non-ideal range compared to stock.

Do the Race springs look good? Yes it looks GREAT. Howerver, give a very strong consideration for the SPORT springs. They are just as beautiful of a drop and will be better down the road with drivability and performance.

If you have the money to spend on springs + shocks, I would save a bit more and just do coilovers. My recommendation? Bilstein PSS10 coilovers or FK Silverline X.

I can post a couple pictures of my car if you like, so you can get an idea.

[Ron@Modbargains]

Personally I never recommend the H&R race springs especially with OEM shocks. Depending on the road you are driving - you'll have lots of bumpsteer and your shock valving won't match up. It will turn into a pretty stiff ride over some time. The H&R race is an agressive drop made for cars on a perfectly paved road like the track, and to be paired up with more agressive shocks.

[WCM3]

Bringing this back..I ran H&R race springs on my M3 stock shocks for about 40k miles. Granted the ride was bumpy, the car still handled like a dream. I want to lower my 335i now, but don't want to spend $1,500. It's not going to be a race car, so I just thought about throwing on a set of H&Rs (Sport or Race) with the stock 335i shocks would be ok? Thoughts.

Also, everyone on bimmerforums said that running H&R race with stock shocks couldn't work. Well mine did, and the stance was great. I eventually upgraded to some bilsteins after my stock shocks blew.

[SV Concepts II]

Originally Posted by WCM3

Bringing this back..I ran H&R race springs on my M3 stock shocks for about 40k miles. Granted the ride was bumpy, the car still handled like a dream. I want to lower my 335i now, but don't want to spend $1,500. It's not going to be a race car, so I just thought about throwing on a set of H&Rs (Sport or Race) with the stock 335i shocks would be ok? Thoughts.

Also, everyone on bimmerforums said that running H&R race with stock shocks couldn't work. Well mine did, and the stance was great. I eventually upgraded to some bilsteins after my stock shocks blew.

This is the main reason why everyone says don't run H&R Race with stock shocks. I ran mine through numerous events and lots of hooliganism with stock shocks and the ride was a bit unresponsive and spent much time on the bump stops. After switching to Koni's, the ride was suddenly much smoother and controllable with less body roll.

These are the main reasons it's recommended to pair the Race springs with aftermarket shocks.

[WCM3]

Originally Posted by Ali@Jlevi SW

This is the main reason why everyone says don't run H&R Race with stock shocks. I ran mine through numerous events and lots of hooliganism with stock shocks and the ride was a bit unresponsive and spent much time on the bump stops. After switching to Koni's, the ride was suddenly much smoother and controllable with less body roll.

These are the main reasons it's recommended to pair the Race springs with aftermarket shocks.

Thanks, Ali. But if there are no plans on racing the car, would it be ok to run the race springs with stock shocks? The H&R Race's give me the drop I am looking for (2" front, 1.5" rear). Could you tell the difference driving on the street?

[mtkid]

you need aftermarket shocks period. possibly a camber kit too. I'm running h&r race springs on my e90 with stock shocks and it sucks. I bottom out over everything and the inner wear on the rear tires is ridiculous.

[WCM3]

Originally Posted by michaelkidon

you need aftermarket shocks period. possibly a camber kit too. I'm running h&r race springs on my e90 with stock shocks and it sucks. I bottom out over everything and the inner wear on the rear tires is ridiculous.

That's the next thing I wanted to ask. When I ran the race springs and stock shocks on my e36, the camber wear was terrible. I needed to get Turner rear adjustable control arms, and KMAC front camber plates. I didn't know if you needed to get them for the e90s because I haven't really seen anything on that.