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02-24-2011, 11:46 PM | #287 |
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Definitely gives a deeper rumble to the power of the 135, but not obnoxiously loud.
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02-24-2011, 11:54 PM | #288 |
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I'll bet its hard not wanting to mod the crap outta this car though. |
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02-25-2011, 12:10 AM | #289 |
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The rules are the only thing that keep us from going nuts with it
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02-25-2011, 07:24 PM | #290 |
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It's the ones that HP Autowerks are having fabricated.
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03-22-2011, 10:33 PM | #291 |
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Thanks. We had our first BMW Club Race at the new Chuckwalla Valley Raceway this past weekend. Here is driver Rolando Saldana driving the 135i sans sunroof.
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04-29-2011, 05:51 PM | #292 |
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Did the larger radiator make a difference? I am torn whether to do oil or water cooling upgrade first. I keep running into the dynamic rev limiter after 3-4 laps, and sometimes full on check engine light limp modes...
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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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05-01-2011, 10:58 PM | #293 |
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I would do both, but if you want to try one first, then I believe the software is keyed off of the water temp.
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05-02-2011, 10:45 AM | #294 |
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Thanks! Off to dealer today to see why I have ABS warning lights like crazy after coilovers installed...............arrrrrrrrrrggggggg........ ......
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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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05-02-2011, 01:10 PM | #295 |
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Maybe broke one of the ABS sensor wires on one of the corners (or maybe one of the connectors not re-connected?)
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05-02-2011, 01:12 PM | #296 |
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I hope not, but the shop checked everything over twice and didn't see any issues.
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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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05-24-2011, 10:55 PM | #298 |
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Not sure - have to check with HP Autowerks
Well, we finally got to try some coilovers per the new rules, so we're trying the Eibach set. Made a huge difference on the car with some real spring rates as Ralph was out there trying to chase I-prepared cars at Willow Springs
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05-25-2011, 10:48 AM | #299 |
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Do you think the coilovers on the 135i really are necessary for track days? I like mine but the rear is so stiff and clunky. It seems to oversteer like crazy too. What did you set your camber at front and rear? The shop set my rears to -1.8 and fronts to -1.0. I think you had said the front needs to be more than the rear. Taking it to another place to get set up again...see how that goes.
What size tires are you running?
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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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05-25-2011, 10:56 AM | #300 | |
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Quote:
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05-25-2011, 11:06 AM | #301 |
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Makes sense. With the stock suspension it did understeer pretty badly. This last time I stiffened up the front coilovers all the way and there was no understeer. However, I could induce oversteer very easily. The tires I had weren't that great(Contisport Extreme Contact) so I just switched to Nitto Invos(however FYI Nittos run large and they rub, so having to get fender rolled Friday). Interested to see how it handles with an extreme performance tire this time. I will pull apart the rear trunk and soften the rebound, see if that helps.
Since the rear shocks are adjustable in length, does anyone know how to properly adjust them? I'm thinking the clunking sounds could be due to too much preload on the rear shocks since its pretty low? Sorry, not trying to thread jack.........just interested in what you have experienced with your race car.....
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05-26-2011, 01:10 AM | #302 |
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We are running springs that are a few hundred lbs. higher in the rear than in the front. That is quite different from the e46 M3.
The shocks are set at about the same stiffness front and back and a slightly lower ride height in the front. That is like the e46 M3. We run a square setup with the same tires front and rear. That is like the e46 M3. We run a large front sway and little or no sway bar in the rear. That is like the e46 M3.
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06-06-2011, 12:26 AM | #303 |
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With the new Sport Class rules, we weighed the car at Willow Springs and we were still over 200 lbs. overweight. Time for the 135i to continue it's diet. It's amazing how many non-essential things you can find to take out of a car.
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06-17-2011, 12:22 AM | #304 |
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We continue the diet plan for the 135i (here at Sear's Point)
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06-17-2011, 04:16 PM | #305 |
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Time to bring this car to the Ring for a little fun!!!!!!
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2012 135i LeMans Blue Metallic, M Sport, DCT (Retired) 2011 528i SGM, Loaded (Retired) "M-the most powerful Letter in the World"! |
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07-18-2011, 12:14 AM | #306 |
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Ah, if only we had budget for that!
But in the mean time, we're a little busy with a rear subframe bushing project We're going with the Turner bushings They are aluminum and delrin So what do you need to do first? Drop the rear Sub-Frame. Which means drop the rear everything. It's not often we have the whole back end of the rear drivetrain on the garage floor. Now to remove the old bushings. You'll need a bushing removal/install kit. HP Autowerks rents one. Putting the bushing catcher underneath, the long bolt thru with the pushing and stopping washers and go at it with the impact gun. It takes a while and it vibrates like crazy. Old Bushings out. Now install the new ones. Be sure to have the flatter sides of the aluminum part aligned right with the rear subframe (perpendicular to the travel direction of the car). Delrin from up top, Aluminum from the bottom, bolt thru with the squeeze washers and hit with imapct gun. Now to figure out how to get the rear subframe back in.
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07-20-2011, 02:27 PM | #308 | |
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