FORUMS
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| 04-24-2012, 08:11 PM | #1 |
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Tracking 135i
Hey there! Firstly, I'll introduce myself... My name is Ralf Schneider, and I've recently purchased a 2008 BMW 135i, which is now a race prepped street car.. I have a question on suspension... Got the KW Clubsport suspension installed, but just wondering what you guys use for camber rates for the track? Thanks!
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| 04-24-2012, 08:32 PM | #2 |
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Colonel
 
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welcome aboard Ralf. 2.5 - 3.0 deg of camber is standard for us. I am running 2.9 front and 2.0 in the back. what else have you done for mods?
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"I would quote everything pixelblue said, but you've already read it. Take it from someone who's put the 1 through its paces"
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| 04-24-2012, 10:41 PM | #3 |
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Ok, great thanks!! Heading to the track this weekend, so this helps! Yea, other mods are just an AFE Cold Air Intake, Roll bar, Recaro fixed race seats, and other visual work.. Possibly a Dinan chip, but have to still get use to the power it as right now!
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| 04-24-2012, 10:50 PM | #4 |
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I think you are missing 2 big pieces for it to be decent on the track. First, you need to do something about those rear sub frame bushings. On the track they will lead to some stability problems when you push the car's weight around
2nd, you need to get a proper LSD in that thing
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| 04-24-2012, 10:56 PM | #5 | |
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New Member
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Quote:
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| 04-24-2012, 11:10 PM | #6 | |
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Brigadier General
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Quote:
 Actually it's Limited Slip Differential - found on a M cars
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| 04-25-2012, 06:38 AM | #8 | |
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Colonel
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Quote:
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"I would quote everything pixelblue said, but you've already read it. Take it from someone who's put the 1 through its paces"
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| 04-25-2012, 09:34 AM | #10 |
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Colonel
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If it's a dedicated track car get at least 3 degrees up front...i keep mine at 2.5 b/c it's dual duty...but wish i had 3 for the track.
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Faster, faster, faster, until the thrill of speed overcomes the fear of death… – Hunter Thompson
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| 04-25-2012, 09:47 AM | #11 |
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MSgt (ret)
Drives: VO 1M #739/740 Join Date: May 2010
Location: Heidelberg Germany
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+3!!!!!!
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| 04-25-2012, 12:43 PM | #12 | |
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New Member
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Quote:
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| 04-25-2012, 12:46 PM | #13 |
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Colonel
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Yeah so far tire wear seems to be pretty good though depending on the track my outside edges on the front still seem to get a bit worn, but no where near as bad as stock.
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Faster, faster, faster, until the thrill of speed overcomes the fear of death… – Hunter Thompson
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| 04-25-2012, 01:33 PM | #14 |
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Major
 
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ralf - on a side note, can you post a photo of the car in your signature?
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 MY Build Log08 AW 135i | Cobb | ETS FMIC | ER CP w/ Tial Bov | AR Catted Downpipes | Berk Mids | Meisterschaft GT SUS 1M |M3 Control Arms | M3 Sways | M3 Rear Subframe Bushings | Wavetrac LSD | AST 4200 DA Coilovers | HRE R43 | Hankook R-S3 |Full BMW Performance Interior | Revozport 1M Raze Aero Package in Satin Carbon |1M Body Conversion| |
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| 04-25-2012, 06:15 PM | #16 |
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Colonel
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click on go advance then scroll down to manage attachments
__________________
"I would quote everything pixelblue said, but you've already read it. Take it from someone who's put the 1 through its paces"
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| 04-25-2012, 06:27 PM | #17 | |
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Colonel
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If you have separate track wheels and don't use your street tires on track, -3.0 will wear them much faster than normal. So how much money are we talking about? I'll guess $350 extra per year. Or you can adjust the camber plates when you change the wheels. You can set up the camber plates so the toe and camber adjust together between street and track settings. The guys I've talked to who adjust camber at the track say it takes them five minutes a side. But most people don't think it's worth even that much time. adding: Hoosier says you'll get best track performance around -3, but best compromise of performance and longevity closer to -2.5. So maybe I shouldn't say you might as well do -3 because the difference in track tire cost could be way more than $350 if you do a lot of events. Last edited by GaryS; 04-25-2012 at 06:43 PM. |
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| 04-25-2012, 07:35 PM | #18 |
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Major
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Welcome Ralf!
Add the front M3 suspension bits to your list, as well as the HP Autowerks rear toe arms and rear sway bar. Camber is key. Like the others say -3 up front is good. Get a set of Apex Arc 8s. Light, wide and cheap, yet still a great dual purpose wheel. Next will be cooling the brakes and the oil down. That's a hole separate thread haha. |
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| 04-25-2012, 08:28 PM | #19 |
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New Member
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haha, thanks a lot guys!! this really helps! I'll try 2.5 front camber, and see how it goes.. I'm at the track all weekend, so I can try 2.5 one day, and 3.0 the next.. I'm sure its a greatly noticeable difference, but never hurts to try! thanks again!
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| 04-25-2012, 11:07 PM | #21 |
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Jason Bourne
Drives: E82 Coupe Join Date: Nov 2011
Location: Atlanta, GA
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keep us updated on how its first track experience went, very interested
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| 04-26-2012, 12:35 AM | #22 |
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Major
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car looks cool. what harness bar is that?
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MY Build Log08 AW 135i | Cobb | ETS FMIC | ER CP w/ Tial Bov | AR Catted Downpipes | Berk Mids | Meisterschaft GT SUS 1M |M3 Control Arms | M3 Sways | M3 Rear Subframe Bushings | Wavetrac LSD | AST 4200 DA Coilovers | HRE R43 | Hankook R-S3 |Full BMW Performance Interior | Revozport 1M Raze Aero Package in Satin Carbon |1M Body Conversion| |
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