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      02-18-2020, 03:06 PM   #45
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Testing at Streets of Willow Springs CCW


We loaded the trailer and set out for Streets of Willow, hosted by JMP Autowerkz. We arrived slightly late with 4 minutes until the second session. I unloaded the trailer, torqued the wheels, and drove straight to the hot pits. Immediately the car felt better on the stock tune. Zero hiccups, no drivetrain malfunction, and ran an easy 1:24 lap. The tires were just about done, so I saved what was left to aim for a 1:23 in the next session. It was time for the 3rd session, now with slightly hotter temperatures. I took the car out for about 5 total laps (two cool downs included) and the lap times on the AIM Solo were:

1:23.57
1:22.95
1:22.42

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The laps felt great with definitely some time left on the table with an alignment to dial out understeer. I'm looking forward to adding some SPL arms for additional front camber adjustment and realign the car before round 2 of Bimmer Challenge at Buttonwillow on the 29th.


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Testing was successful and we had accomplished what we came for, ensuring that the car ran issue free, and enjoy a day of lapping with some friends. During lunch break, JMP announced a "drift" session over the speaker. I wasn't going to let that opportunity pass, so I headed straight to the skid pad to send the tires off in style.


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      02-18-2020, 07:08 PM   #46
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Video of Streets of Willow CCW Test Day


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      02-19-2020, 12:46 AM   #47
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Tune

Hey Matt, awesome write up 👊. Back to this aftermarket tune, "Are you going to continue testing and try to make it work or abandon it completely? Thanks.
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      02-19-2020, 12:52 AM   #48
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Quote:
Originally Posted by jacobe92 View Post
Hey Matt, awesome write up 👊. Back to this aftermarket tune, "Are you going to continue testing and try to make it work or abandon it completely? Thanks.
Same thoughts. Hate to read the tune hasnít worked out. Have you given any thought about Tom@EAS? Not sure who was or has helped with the previous tune.
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      02-19-2020, 12:04 PM   #49
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Quote:
Originally Posted by jacobe92 View Post
Hey Matt, awesome write up 👊. Back to this aftermarket tune, "Are you going to continue testing and try to make it work or abandon it completely? Thanks.
I am going to run the car this season on stock power/stock tune. I may add an Active Autowerkz mid pipe as I still have about 0.5 pts to stay within the class. I will eventually go back to tuning the car, however this time around, I will be going with MHD.

Quote:
Originally Posted by dcpatters View Post
Same thoughts. Hate to read the tune hasnít worked out. Have you given any thought about Tom@EAS? Not sure who was or has helped with the previous tune.
Tom and everyone at EAS has been a great help so far. They didn't tune my car, but I know several EAS/Cary Jordan tuned cars with success under track use. It was my personal custom tune that just wasn't working out for what I needed. As I mentioned about to Jacob, I will run the rest of the season on stock power, stock tune, perhaps with an AA midpipe, then next year I will be moving to MHD as far as tuning goes.
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      02-28-2020, 02:03 PM   #50
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Yeah.. but can I get the OEM seats? Hehehehehee
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      02-28-2020, 02:25 PM   #51
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I love this. Nice work Matt!
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      02-28-2020, 02:40 PM   #52
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Yeah.. but can I get the OEM seats? Hehehehehee
OEM Seats are sold :/
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      02-28-2020, 02:40 PM   #53
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Sick. Following
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      02-28-2020, 02:41 PM   #54
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Originally Posted by spuntyb View Post
I love this. Nice work Matt!
Appreciate it!
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      02-28-2020, 02:48 PM   #55
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Quote:
Originally Posted by Corsa Motorsport View Post
SSR Performance Chargepipes & BMC Filters


Next commonly failed component addressed was the charge pipes. The factory plastic charge pipes are known for cracking and failing. We definitely didn't want any of that on track, so we headed to SSR Performance who was local to us in Orange County and snagged a set of their charge pipes in fashion grey. Shah was extremely helpful and we decided that we would get the SSR Performance downpipes as well shortly down the road. Chargepipe installation was straightforward, and fitment was on point. I used scotch-brite to scuff the where the couplers attach to the pipe for a bit of cheap insurance. While we were at it, we ditched the stock carbon filters for a set of BMC drop in air filters.


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I have the N55, and the BMC filter constantly threw a CEL
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      02-28-2020, 02:55 PM   #56
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Final Prep for Bimmer Challenge Round 2


With the tune gremlins sorted out there was no much left to do to finalize the car for it's second time attack competition aside from alignment. I brought the car over to Robert Choo at Chewerks and we made some slight adjustments with the limited parts we had. We increased front camber from -3.5 to -3.7 and removed a bit of rear toe to help the car rotate a bit better. Unfortunately I dropped a wheel and bent one of the TE37s at Streets of Willow. We were able to bend it back to balance out perfectly (Forged ftmfw) and we refinished them in house to Volk Racing Ti Silver. This time around, we will no longer be running slicks but rather a street tire in hopes of beating out time with both slicks and 100tw tires. The tire of choice was a 295/30/18 Yokohama Advan A052. Gave the filthy thing a wash, and we're just about ready to load up.


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      02-28-2020, 02:57 PM   #57
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Quote:
Originally Posted by BeastieBombRacing View Post
I have the N55, and the BMC filter constantly threw a CEL
No CEL to report here. That's odd. I can't see the BMC filters causing a CEL. What was the code?
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      02-28-2020, 03:09 PM   #58
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Quote:
Originally Posted by Corsa Motorsport View Post
No CEL to report here. That's odd. I can't see the BMC filters causing a CEL. What was the code?
I donít remember - it threw the dealership for a loop. Once I went back to stock I stopped getting it. Subsequently I found out that oiled filters can cause CELs.

Iím going to go with the AFE pro dry filter.
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      02-28-2020, 04:04 PM   #59
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Congrats on the feature. The car is looking so good. And thank you for all the detailed photos.
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      02-28-2020, 04:11 PM   #60
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Quote:
Originally Posted by Corsa Motorsport View Post
I'm sure you can agree that was a terrible place to be stuck for 3hrs haha. The thread is still being updated to be up to date, but it wasn't a boost leak. The tune itself may just be too aggressive. I am bringing the car to Streets of Willow on Sunday to dedicate a day to datalogging and revisions. Hopefully this solves the tune issues once and for all. And thank you.
I always bring fifth wheel just for that reason. Glad you were ok. Extraordinary build!
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      02-28-2020, 06:24 PM   #61
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I feel like this thread belongs in Car & Driver or Road & Track. Amazing build documentary. I love the color, the wrap looks perfect. Of course the rest of the build is...inspiring and exhilarating to read, I can only imagine the satisfaction you all have gotten out of building and tracking it.
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      02-28-2020, 06:42 PM   #62
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Quote:
Originally Posted by haagm58 View Post
I feel like this thread belongs in Car & Driver or Road & Track. Amazing build documentary. I love the color, the wrap looks perfect. Of course the rest of the build is...inspiring and exhilarating to read, I can only imagine the satisfaction you all have gotten out of building and tracking it.
Appreciate the kind words good sir.
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      02-28-2020, 08:01 PM   #63
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Awesome write up!!! Look forward to the times you set this weekend!
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      02-28-2020, 09:17 PM   #64
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I'm assuming thats a 295 square set up on the A052's. I may have missed it but what are the wheel specs? Sick build!
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      02-28-2020, 09:57 PM   #65
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Such a dope project. Looks super fun. Please add more pics and stories soon.
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      02-28-2020, 11:02 PM   #66
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Great build and thread!
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