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Just got back from 2 days at VIR Full Course. Car has heavy aero, but the engine is completely stock, 93 pump gas, no tune. I’m getting fuel starvation/cut after about 7 laps, right around half tank (even when starting sessions with a full tank). It happens right after the start/finish right...

I have a 2025 3.0 8AT with 1,700 miles and the updated axles which look like the one in the cardboard box. I'm pissing grease out of the differential side boots on both sides. It's making a giant mess. There's no way to tighten the clamp as it appears to no longer be a traditional ear/Oetiker...

Just a couple of days so far this year. It's a '25 with under 2k miles. Seeking alternatives, open to options. Car will not see any daily driving duties. Was previously heavily tracking an '07 RS4 at VIR over the last couple years and always running liqui moly 5w-40 products--leichtlauf high...

You're right. I moved this to another thread with some resemblance of continuity. Please delete.

2-25 Update regarding OEM pricing: Toyota dealer 0W-20 C5 hit me with a price of $29.65 per liter (pre-tax). Even the parts guy seemed embarrassed quoting it. I walked into the BMW dealership down the street and asked for 1L of oil for a Z4 with the B58 engine. Their price? $17.28 pre-tax...

So I reached out to my dealer to ask what oil they use and how much it costs per quart/liter. They told me it's 0W-20 C5 and then hit me with a price of $29.65 per liter (pre-tax). Even the parts guy seemed embarrassed quoting it. Curious, I decided to do a little comparison. I walked into the...