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      03-18-2021, 02:27 PM   #45
x.shell
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Originally Posted by bimmerboyE92 View Post
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Originally Posted by x.shell View Post
Nice catch. I never would've thought this would happen. Good on AP for rectifying.
AP didn't believe me at first, I couldn't believe it either.

It doesn't help when the primary driver of the car can only describe a car with 3 different words:

"Loose" - can mean oversteer, can mean lack of grip (heat cycled out tires), can mean dampers not set as before, can mean understeer, can also mean she's just not in the mood drive
"Pulls" - can mean alignment is off, can mean sway bar end link completely broke, can mean caliper is the wrong one!, can mean TPMS screen shows tires are 0.5psi off but she can feel it, can also mean she's just not in the mood to drive
"Good" - this means don't touch anything and go drive your car so I can chase you down and bully you with double the hp
Haha. Your "domestic life" must have so many miscommunications.
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      04-01-2021, 09:27 PM   #46
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295/30 and 315/30 Toyo RRs on 18x10 et25 with 5mm shim and 18x11 et44 no shim.

Car rotates wonderfully now! The 275/305 combo pushed like a pig.

We actually dialed out just a little compression out of the rear shocks just to secure the rear a bit more in corner entry. Also tried to stiffen the front sway bar but it just muddied the turn in. Maybe we could have kept it a bit longer and just tried to get the nose down more but it felt unnautural.

This car seriously feels like my E36 track car now the way it turns. However, don't feel that a 295/30 square setup would be better except for the ability to rotor front to back.

8F7EEE90-66D8-4282-A655-F210F79F67FB by D S, on Flickr

E2DEF196-F0C7-473C-8AB3-091DE2CC1B52 by D S, on Flickr

E3F501D8-E7E4-457C-A471-2BEFED3FC11A by D S, on Flickr
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      04-09-2021, 09:24 AM   #47
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Very proud of my better half! This is not her fastest laptime ever... but shows her confidence in braking and throttle application. The car setup is the most neutral it's ever been. She is still driving with full traction control on as the car is so much more eager to turn than it was before but working toward MDM. 131mpg on the front straight at NCM is C6 territory. And 70mph entry at Turn 1A is on par with my e36.

Her "driving coach" is just having her work on maintenance throttle just before apex and finding when to apply full throttle. Basically he wants her to max out the throttle application after every apex no matter how short it is... maybe just for a split second but the pedal should hit bottom.

To accomplish this he had her do some figure 8 exercises on the skid pad with no traction control to let her find the correlation between throttle, brake, and counter steer while cornering on cold and hot Toyo RRs. Through it all she also realized when the e-diff locks and how it adds grip when you want it.

Needless to say she burned through the rears! Wish I had video of that.

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      05-16-2021, 09:36 AM   #48
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The reason this is a journal... covering not only the build but also day-to-day. Left front hub making noise. Was only able to hear it because I took the rotor and pads out. 19k miles on car.

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      05-21-2021, 05:23 PM   #49
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Took me 2.5hrs leisurely from wheels up to wheels down to replace both front hub assemblies. The left side is shown in the video but the right side also had some noise but only 25% of the volume. Is it me or does the old hub look like it was getting hot?

I was not able to use my cordless impact to remove them due to space constraints. I used a breaker bar along with a 2" extension for a couple of bolts on each side.

Credit to GuyLedouche for the original DIY located here...

https://f80.bimmerpost.com/forums/sh....php?t=1572940

38AFA76F-3960-4E36-B77D-6153956B891F by D S, on Flickr

F76CA0DA-2A59-40A4-9BE5-9F5507928E07 by D S, on Flickr

9E2D6EF9-B684-4685-BD5C-43152C80FBE9 by D S, on Flickr
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      05-21-2021, 07:04 PM   #50
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Quote:
Originally Posted by bimmerboyE92 View Post
Very proud of my better half! This is not her fastest laptime ever... but shows her confidence in braking and throttle application. The car setup is the most neutral it's ever been. She is still driving with full traction control on as the car is so much more eager to turn than it was before but working toward MDM. 131mpg on the front straight at NCM is C6 territory. And 70mph entry at Turn 1A is on par with my e36.

Her "driving coach" is just having her work on maintenance throttle just before apex and finding when to apply full throttle. Basically he wants her to max out the throttle application after every apex no matter how short it is... maybe just for a split second but the pedal should hit bottom.

To accomplish this he had her do some figure 8 exercises on the skid pad with no traction control to let her find the correlation between throttle, brake, and counter steer while cornering on cold and hot Toyo RRs. Through it all she also realized when the e-diff locks and how it adds grip when you want it.

Needless to say she burned through the rears! Wish I had video of that.

smooth and confident! Looks like a fun track!
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      05-31-2021, 07:12 AM   #51
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This is the best the car has ever been. That push you see in video was intentionally put in because wifey feels “safer” with it. We can dial it out with dampers but at this point don’t really need to. It makes the Toyos chatty at the limit and you can still squeeze in some torque to get the rear to rotate when needed. Me driving 3 laps in a row in advanced group (open passing). Was holding off a GT3 behind me the entire time which is why I spent so much time in my mirrors.





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      06-18-2021, 02:22 PM   #52
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Tried purple crack for the first time running 295/315 Hoosier A7 scrubs on Apex 18x10 and 18x11 SM10s. And yes, they really are like crack!

6sec faster than her personal best on Toyo RRs and her line isn't perfect or anything... in fact, straight aways speeds are 2-3mph slower than usual and still crushed her Toyo RR times without any fuss! Only catch is that she can only run 2-3 hot timed laps before she has to pit in and let the tires cool. They start to feel greasy quickly.

Wifey (black helmet, mine is white) ran a new personal best and new fast lap for the car (with one of us driving) at NCM with a 2:20.25!

4435BB33-7531-4A8A-8FC6-8F5C70C023F6 by D S, on Flickr

E06F929F-2D9B-4D20-8613-B1CF008AF928 by D S, on Flickr

E69538DB-9F1D-4BA0-B84D-9E6BD6D7A555 by D S, on Flickr

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      09-19-2021, 09:02 AM   #53
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Quote:
Originally Posted by bimmerboyE92 View Post
So, about those Pirelli's... after going through 2 sets of Toyo RRs, the Pirelli's finally made there way on. All I have to say is OMG! The AP brakes with DTC70 pads have finally met there match. On RE71Rs, the brakes would easily over power them, on Toyo RRs, it was a more even match up. But against the Pirelli's, the APs actually have to work a bit. Ambient temp on test day was 55 deg F and cloudy. The tires have grip for days! And are super consistent. My wife dropped 3 seconds from her personal best and was able to do so for 4 laps in a row. 3 laps being within 0.1 sec of one another.

So if you're not already on these tires, stop, do not pass go, get some!

8DDB58D7-F6F3-4C74-ABEE-F2C70FCADE0E by D S, on Flickr
Awesome, looking at doing the same, what spring rates are you running? Are you running an upgraded sway bar?
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      09-19-2021, 09:09 AM   #54
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350/600 standard TCK springs. H&R front bar on softest setting. Thinking of trying the original bar at Mid-O.

So many folks like stiff springs… we’re not one of them. Yes, these springs are too soft for these tires but certainly not the RRs.
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