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      07-30-2021, 08:27 AM   #155
FormulaMMM
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Originally Posted by SYT_Shadow View Post
I've tried this, I find 'RDX rubber remover' to be significantly faster.

When my cars get home from the track I powerwash them to get the bugs off as well as the brake dust, but the rubber remains unless I have a month before the next event.

Heads-up for CS/GTS owners: I've found strange permanent water stains on the plastic piece around the hood vent opening, and I speculate whether it's the RDX - haven't been able to test that theory one way or another yet!

No issues anywhere else using RDX all over my e90 and f80 CS, but heads-up juuuust in case
You must need some extra punch to cut through that sticky slick rubber. Just derubbered the GTS last week, plenty of year+ old marks. A few took a couple applications of the Mothers stuff, but all came off no problem. Maybe I'm just not going fast enough.

The R3 product is cheap as hell so that's a fit with my detailing interest. $9.99!
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      07-30-2021, 10:24 AM   #156
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Originally Posted by FormulaMMM View Post
You must need some extra punch to cut through that sticky slick rubber. Just derubbered the GTS last week, plenty of year+ old marks. A few took a couple applications of the Mothers stuff, but all came off no problem. Maybe I'm just not going fast enough.

The R3 product is cheap as hell so that's a fit with my detailing interest. $9.99!
I suspect the answer is simply you must be more patient than I am with the rubber stuff
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      07-31-2021, 11:29 PM   #157
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I'll be giving the R3 a shot this week. Anything will help, as the car is absolutely covered in rubber.


The M235iR was a fantastic purchase. We did an oil change + brake flush and sent it on the Pirelli DHHBs that it came with. Been a while since I've played with slicks, it was a learning experience to say the least.

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Livery from the prior owner still on the car. At some point I'll wrap the car. Step one is just cleaning up the vinyl/decals.

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Poor audio but the car does sound pretty decent in my opinion. It's loud as hell inside, and the cockpit resonates something fierce between 3000-3300 or so. Basically never run below 4k



This was a shakedown for the car, and I primarily wanted to let my old enduro Miata teammates drive the car. We plugged the Catalyst in to just try it out, and I was impressed. I didn't have the audio hooked up since 1) racecar with no speakers 2) forgot my bluetooth headphones. However the post-session information was pretty useful.

I need to dedicate a few days to just get comfortable with the car. I'm not used to having what felt like infinite grip, so I kept pushing things until I spun the car on turn 8. T8 is my damn nemesis with the GTS, it's a very tight 2nd gear corner, and I just ripped the rear free with the M235iR within 3 laps of turning off traction control

I'm very excited to learn more about this car. I'm probably done tracking the GTS, the M235iR was a lot more fun. I guess that's the difference between racecar and street car, even if the racecar is down ~180hp.
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      08-02-2021, 02:15 PM   #158
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I'm very excited to learn more about this car. I'm probably done tracking the GTS, the M235iR was a lot more fun. I guess that's the difference between racecar and street car, even if the racecar is down ~180hp.
I had much the same experience with my M3 GT4 car. Nothing like a prepared racecar, especially a factory motorsport car. I just do an occasional HPDE with the GTS when I'm not racing. I haven't driven an M235iR but they look like a blast.

Have fun!
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      08-03-2021, 09:29 AM   #159
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I'm loving this factory Motorsport GmbH race car content.
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      08-05-2021, 10:00 AM   #160
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The M235iR was a fantastic purchase. We did an oil change + brake flush and sent it on the Pirelli DHHBs that it came with. Been a while since I've played with slicks, it was a learning experience to say the least.
BTW, I forgot add, be sure to stay off the curbs and rumble strips with the Pirelli's when the tires are cold. Give them a few laps to heat up and build pressure. The sidewalls are easy to cut down when cold.
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      08-05-2021, 10:31 AM   #161
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BTW, I forgot add, be sure to stay off the curbs and rumble strips with the Pirelli's when the tires are cold. Give them a few laps to heat up and build pressure. The sidewalls are easy to cut down when cold.
Good to know, I'll keep that in mind. I took it real chill the first ~3 laps out, I'll make sure to make that a rule moving forward. How does that work for a race? No tire warmers here, so just avoid curbing on the first lap or two?
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      08-06-2021, 08:36 AM   #162
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Good to know, I'll keep that in mind. I took it real chill the first ~3 laps out, I'll make sure to make that a rule moving forward. How does that work for a race? No tire warmers here, so just avoid curbing on the first lap or two?
Its hard in a race and not always easy to do, but I try to warm them up the best I can on the out lap. Even then it can take a lap for them to get to temp.
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