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If you’re partial to MCS, I’ve heard good things from bimmerworld and limit+1 in Chicago Personally, I went with Racewerkz in Burbank CA. Majority of their business are race cars, but also will do street cars. Casey, the owner, has been awesome to work with and even did a free divorce...

Shoot, you’re right. There is an offset difference of approx 2.6cm. I guess the rear wheel hub is just different on the M cars. this was a good find, but I’m sorry you had to figure it out like this

The rotors shouldn’t affect clearance as the caliper carrier bracket is the same for both non M and M series cars. Because of this, there shouldn’t be any offset difference between non M and M rotors. With that being said, I am running a riveted rotor from a non M car and NOT the pin drive style...

Okay jacob

This is what I do also. I’m not a safety expert, but I run a Simpson Hybrid S when doing so. I’m under the impression that locking the belt removes 3 major safety functions for 3 point belts: 1) the belts ability to stretch and decelerate the body 2) the ability for the body to roll on the...

actually, the fact the parking brake light on as well makes me believe it’s the wheel speed sensor even more. Every BMW that I’ve worked on since the E chassis days will throw traction, ABS, and parking brake light on when they go out. as far as that vertical acceleration sensor, you’ll get a...

Any chance you bought these locally? I just sold a set to a guy in LA/OC

Unless if you’re also burning it, it’s coming from your CCV rather than PVC. And unless if it looks like it’s shitting out a ton of oil, looks like they’re both functioning normally.

This almost looks like what happens when the thrust bushing on the steering rack is too tight. When it’s too tight, you’ll have issues with the steering wheel returning to center; however, the clicking is usually associated with too loose of a thrust bushing. See here...

Running a BMS spacer with the Wagner. I probably did about 6-7 track days prior to the spacer. Whether it made a difference was pretty difficult to tell. Placing my hand on top of the intercooler after runs felt cooler, but IAT’s didn’t seem to improve. I had to make small notches in the...

You seem to offer advice on things often and you don’t have any real advice to give. Z4m40i

the cores sometimes do not have the brass fittings pressed into the wheel core. In the first photo, the red arrows show the locations of 3 out of 4 holes where they would be pressed in. If these are missing, the spring plate (second picture outlined in green) won’t be able to actually ground...

Two tracks in one weekend! Fastest street car at the new SoW CW which was cool…. Until a radical showed up. Name isn’t on the list as I timed on my catalyst. Big Willow is sketchy as hell, but a lot of fun. I did an intro day 2 years ago and haven’t been back since. SoW CW long layout: 1.22.19...

your coolant rose 10 degrees from a 2 gear pull? That’s wild. I’d love to see that log, because I’ve had koyo aux rads for 2 years and they didn’t do anything.

All the heavy lifting for IAT cooling is done by the manifold. Even if it does heat soak, what the actual engine sees is still virtually not impacted. you can see in this pull, pre manifold temps are ~300F. At the end of the multi gear pull (roughly 70-160mph), it’s -400F. IATs, however, only...

I find it so weird that they’d recommend an oil restrictor on a journal bearing turbo…

He has an instagram and FB page for the build, too. Cool guy. https://www.instagram.com/mysupraadventures/? https://www.facebook.com/mysupraadventures?mibextid=wwXIfr

Yeah, this is very similar to that video I posted a few months back about @kern417 having this issue. The following videos are just snippets from his post with the 1st one showing a proper working waste gate vs what was wrong with his. The photo shows it looks like the waste gate shaft was...

Have you looked at doing nickel plating instead? Powder coat turns to ass when you’re braking as hard as you should on track.

Idk why people give Rod so much credit. Maybe on the older 6 speeds and early zf8’s but I’ve never had any luck with his trans tune. He ghosted me the moment I told him about the issues with the tune. manual shifting was ass. There was a huge delay especially vs xHP and you can see it in the...