Blog
How to Choose the Right Track Day Modifications for Your BMW
Track days are a blast — and BMWs, especially platforms like the E36, E46, and E9X, are well-suited for performance driving. But choosing the right upgrades can be overwhelming if you’re just getting started. Whether you're chasing lap times or just looking to have...
The Real Impact of Brake Cooling Kits at the Track: Stop Fade Before It Starts
Discover how brake cooling kits reduce fade, improve consistency, and protect your setup at the track—plus why AAF’s kit is built for real race conditions.
Spec E46: How It Started, Why It Still Rules
If you've spent time at any road course in the U.S., chances are you've seen or heard the name Spec E46. It's one of the most popular and fastest-growing grassroots racing classes—and for good reason. Let’s dive into how Spec E46 started, why it exploded in...
Top 5 Overlooked Race Car Upgrades That Actually Improve Performance
Think big horsepower is all that matters? Think again. Here are 5 overlooked race car upgrades that improve performance, reliability, and consistency.
Why We Fabricate In-House at AAF: Precision, Passion & Track-Ready Performance
Discover why Advanced Auto Fabrication fabricates in-house: unmatched precision, real-world performance, and race-proven parts made by racers, for racers.
CAR FOR SALE: SPEC E46
Turnkey Spec E46 race car with premium AAF upgrades, CSF radiator, truck fill kit & more. Built for performance and reliability. Race-ready and for sale now
Why Your Racecar Needs a Solid-Mount Subframe – And What to Expect
When it comes to building a reliable and competitive racecar, one of the most overlooked upgrades is also one of the most important: solid subframe mounts. Whether you're chasing lap times or building a dependable track day weapon, upgrading to a solid-mount rear...
How to Prevent Rear Subframe Failure in Your BMW
🚨 Why Rear Subframe Failure Matters The BMW E46 chassis is beloved for its handling balance, but one of its biggest structural flaws is the Rear Axle Carrier Panel (RACP). Over time—or more quickly under track use—this area can develop cracks that lead to catastrophic...
What Makes a Great Track Car? Key Features to Look For in a Build Platform
Learn what makes a great track car, from chassis balance to aftermarket support. We compare platforms like the BMW E36 vs E46 to find the ideal build
Understanding Brake Cooling: How AAF’s Kit Keeps Your Lap Times Consistent
Explore how AAF’s brake cooling kits for various vehicles prevent fade, reduce temperatures, and ensure consistent lap times on the track.
PRO3 Spring Sprints Recap — Pacific Raceways, May 17–18, 2025
PRO3 Spring Sprints 2025 Recap: Shaun Northrop and AAF Shine at Pacific Raceways
Why Every Track Car Needs an Oil Pan Baffle: Preventing Oil Starvation at High Gs
Learn how oil starvation occurs during high-G track driving and why installing an oil pan baffle—like AAF’s E46 solution—is crucial for engine longevity and reliability.




