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03-14-2011, 05:10 PM | #1 |
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JIC Cross Coilovers or ???
I have the opportunity to buy a set of lightely used JIC Cross coilovers for my car for $500 and I'm not sure if I should or not. The car has rear springs and pretty agressive wheel/tire package. It already rides pretty rough(especially rear) and slightly rubs in large dips in road.
I did a track day and the car felt like it just wouldn't corner. Maybe just needs the front springs done? Better tires? I was thinking about doing the JIC's but I don't want to have a stiff bouncy, rough ride. Anyone used these before and have comments??? I'm figuring if the previous owner went back to stock in front, the ride quality must have sucked with front springs or rubbed too much....
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. |
03-14-2011, 06:33 PM | #2 |
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I have the Cross setup and it is very firm, even with non-RFTs. One of the reasons I chose them is that they use a linear rate spring. That offers smooth road handling advantages, but there is a ride penalty.
What wheels/tires are you running? The Cross struts take up about 5mm of clearance on the inside up front, which could be a problem if you are running a wide tire/wheel with high offset. I'm running 225 Hankook V12s on stock wheels, and there is just about zero clearance inside. With 2 degrees of camber, there's at least an inch on the outside. |
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03-14-2011, 06:39 PM | #3 | |
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I'm running VMR 710's. 18" with a super agressive offset. They tend to rub where the fenders meet the bumpers during fast dips in the road. The front tire is a 235/40/18 Contisport.
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. |
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03-14-2011, 06:57 PM | #4 | |
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Assuming that is a 8.5" wheel up front, I'm guessing you will be very close on the inside, but OK outside with enough camber. 2 degrees is easy with the Cross camber plates. |
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03-14-2011, 10:28 PM | #5 |
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I love my JIC suspension.
The ride is fantastic as long as the roads are good where you are at. I paid $1000 used shipped and would have paid $1500. Great investment.
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03-15-2011, 10:32 AM | #6 |
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Thanks guys!! I don't want a rougher ride than I have now, so I think I'll probably pass on them. I appreciate the feedback!
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. |
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03-15-2011, 01:37 PM | #7 | |
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03-15-2011, 08:05 PM | #8 |
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Escobar, what are the sizes/offsets of your 701s front and back?
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03-17-2011, 09:05 AM | #9 |
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03-17-2011, 04:42 PM | #10 |
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were you okay in the front and just needed spacer in the rear? i've got et50 on my 710 rears that are being delivered soon, so wondering if I'll have the same problem you had.
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03-17-2011, 06:14 PM | #11 | |
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I need a spacer for the front. I am not 100% sure on how much room I need yet. The tires arent mounted on since I am waiting on TPMS which should be here tomorrow or sat. When I did a test fitment w/ only the rim, I had barely 3-5mm of space. So I am assuming I will need a spacer to get just enough room with an et of 50 for the rear, you should be more than fine |
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03-17-2011, 07:28 PM | #12 |
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but you're saying the front will have an issue on the inside at the strut? i really don't want to use a spacer. grr.
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03-18-2011, 10:33 AM | #13 |
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03-18-2011, 02:47 PM | #14 |
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same. damnit.
will neg camber fix this?
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03-19-2011, 08:19 AM | #15 |
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no room in there but first test says it fits. will update soon.
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03-19-2011, 08:56 AM | #16 |
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cool, let me know
I had to work today, freaking sux, but gonna try to get my tires mounted and wheels balanced, hoping to do a test fit myself today |
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03-19-2011, 09:35 AM | #17 |
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225/40/18 and v710 et45 with KW V2s work on the front.
there's between 1 and 2mm between tire and the coilover. definitely could not do 235s with an 8.5" wheel. and I guess it could also depend on the tire's shape. but the V12s fit.
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03-19-2011, 11:21 AM | #18 |
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good to know since we have the same set up, I was thinking of getting a 5mm spacer just for peace of mind but I may not if there is enough room
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03-31-2011, 05:54 PM | #19 |
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I LOVE the JIC Cross!!!!!!!!!!! Excellent ride quality. Much better than stock!
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. |
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04-01-2011, 07:13 AM | #20 |
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looks good, i would personally go a tad lower in the front
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04-01-2011, 10:20 AM | #21 |
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Thanks!
Yeah, it's going to the alignment shop in about 30 minutes. I'm going to have the front lowered a bit more. I'll post after photos later today. So far, the ride is excellent! Should have done this to other cars I've had years ago!
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. |
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04-01-2011, 04:19 PM | #22 |
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Well, the alignment shop didn't lower it too much but otherwise, love it!!
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2008 135i AT, iDriveNAV, Remus quad exhaust, A.P. DP/MP/IC, Custom Oil Cooler, BMS JB4/Meth/DCI, JIC Cross Coilovers/Camber Plates/STB, BMWP rotors, EBC Track pads, Motul Fluid, CF Hood, BMWP Kidneys, black painted roof/mirrors, BMWP CF rear spoiler, Roof Spoiler. VMR V710 18" Wheels. Last edited by wildcat767676; 04-01-2011 at 04:41 PM.. |
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