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330i Suspension Conversion to Sport
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04-13-2013, 08:31 AM | #1 |
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330i Suspension Conversion to Sport
I need to change my suspension as it's getting old and one of the struts is leaking. I decided to go with the stock sport springs (d5/d4) and the bilstein touring "sport version" shocks.
Besides those, do I need something else, from what I've read, my stock bump stops might have to be cut a little bit, or should I just buy bump stops that go with the sport suspension? Thanks |
04-13-2013, 09:42 AM | #3 |
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04-13-2013, 11:30 AM | #4 | |
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Tischer sells them or your dealer can get 'em for alot more
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04-14-2013, 03:55 PM | #6 | |
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33536767335 |
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04-15-2013, 06:02 AM | #7 |
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Im also going to mod my stock 330i.
Also thinking bilstein b4s (touring for lowered springs) and the eibach pro kit. A few members have this and claim ride/performance to be excellent. Bumpstop are chaffing my a## as well. Im being told me e46 fronts and z4 rears but in australia they cost $130 each!!!! Now im thinking to jut get msport bumpstops with a little trim based on the photos in this forum or even aftermarket bumpstops trimmed up. Let us know how you go! |
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04-18-2013, 01:52 PM | #8 |
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Why don't you just settle with a set of coilovers. Decent shocks will cost you around the same if not a little less. Might as well get some coils and have the added luxuries. Most also ride a lot better than stock.
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04-19-2013, 10:39 AM | #10 | |
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- no more than 0.5-1" drop (because of snow, comfort (we have major potholes here)) - comfort, I don't want to compromise comfort - I don't care much about improving handling, even stock non sport used suspension allows me to take curves much faster than I should on public roads, yes there's body roll, but the car is well balanced and I can work with it. Of course if I can eliminate a little body roll with little to no impact to comfort I'll take it - price, even the cheapest "decent" coilovers are double the price of buying sport springs with bilstein touring sport shocks, and they'll be less comfortable, drop the car over 1" even at the minimum drop level, rust, etc... (again I'm talking about cheapest "decent" coilovers, which for me are the ST, no reboud/damp adjustable and anodized only for the threads so they'll finish by rusting here with all the salt in winter...) again I'm over 30, have a kid and my needs are very different then let's say 5-10 years ago when I was looking for best performance and comfort/snow clearance being one of my last worries hehe. |
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04-24-2013, 06:11 PM | #12 |
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already got my sport oem springs d5/d4, and ordered the bilstein touring stock shocks, will put on a review once I get them installed ~2 weeks, as mentionned I hope a slightly lower/firmer ride without much sacrafice to comfort, well that's what I hope
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05-24-2013, 07:56 PM | #13 |
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so today I got the suspension installed on the car, so the car is a 330i e90, it came with stock suspension non sport, ~75000miles, one leaking in front.
I went as mentioned above with bmw oem sport suspension springs d5/d4 for e90, and bilsteins touring (non sport) shocks/struts First impressions Looks (I'll get pics once it stops raining) - front is noticeably lower - back slightly lowered only, however even on stock non sport springs, the wheel gap wasn't too bad in the back Comfort - omg, such a big improvement, not only don't I feel "small" potholes, but the car is much smoother than before, wasn't expecting that much of a big improvement, this alone made it worth it. Handling - well first thing I noticed the car just felt "tighter", less body roll .... Unfortunately I can't say more for now, as outside is raining and I also had my daughter in the car, so I took it really easy in the corners. I'll update the thread with pics and once it's nicer outside and I take it for a test drive alone. |
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05-24-2013, 10:03 PM | #15 |
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06-02-2013, 09:11 PM | #16 |
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ok so as promised here's a pic of the car with the suspension/springs
to avoid a big and useless review, I'll summarize by saying that comfort is great, car handling greatly improved (keep in mind my original shocks where warned out), 2 things that could be better: 1. It's not stiffer than stock, I thought the bilstein would be "10%" stiffer, so if you don't have crazy crappy roads, probably the bilstein touring "for sport OEM suspension" would be better choice 2. The rebound on some of the bigger bumps on the highway isn't great, meaning it's a little bit bouncy, less than my worned out suspesion, however would of liked it to be less Overall for the price I paid I'm really happy, can't go wrong with improving comfort, handling and looks at the same time. |
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06-03-2013, 08:40 PM | #17 | |
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What were all the little bits and pieces you needed in this whole upgrade? Bumpstops, dust boots, etc? Off topic, I remember visiting Montreal in my friend's '03 WRX, and getting car sick from the bumpy roads, LOL. |
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06-03-2013, 10:19 PM | #18 |
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This is exactly what I am looking for. One question, are you still on run flats? I have always thought I could go from non sport with rfts to a sports suspension with performance tires and get better handling with at least the same amount of comfort.
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06-03-2013, 10:41 PM | #19 |
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Too late but I have complete M-sport set up available with spring and struts if anyone is interested. Came off 335IS replaced with BMW performance kit.
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06-05-2013, 04:11 PM | #22 | |
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Thanks.
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That's the thing roads here are horrible, so had no choice to go with something like I did, if not it would have been much lower and stiffer... |
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