BMW S62 Carbon Fiber Velocity Stacks – Designed for Real Power Gains

Fixing What BMW Didn’t Perfect

The factory velocity stacks on the BMW S62 engine fall short in several critical areas. Their length and diameter are not optimized, but the most significant flaw lies in the flat-edged bellmouth design, which disrupts airflow and reduces intake velocity. At Partee Racing, we engineered a true solution with our BMW S62 Velocity Stacks—crafted for ideal flow, precision fitment, and proven performance.

Engineered for Performance

Our carbon fiber velocity stacks feature a 180-degree bellmouth profile that dramatically improves airflow speed and efficiency. This design eliminates turbulence at the entry point and allows for a smooth, unrestricted flow of air into the plenum. On our in-house dyno, these BMW S62 Velocity Stacks delivered a verified 22 wheel horsepower gain on a naturally aspirated S62 engine when compared to stock units. The test was performed back-to-back on the same day, same dyno, and same conditions. The only change was our velocity stacks.

Designed to Fit and Built to Last

These stacks are designed to fit the stock BMW S62 intake plenum without modification, though they achieve peak results when paired with the Partee Racing S62 Carbon Fiber Plenum. Each velocity stack is constructed from pre-preg carbon fiber, baked in an autoclave for maximum strength and minimal weight. The stacks are bonded with MMA adhesive into precision-machined billet aluminum flanges, finished by hand in our shop for flawless fit and finish.

Proven Results, Race-Grade Craftsmanship

Every Partee Racing velocity stack is the result of hundreds of hours of testing, design iteration, and real-world performance validation. The lightweight construction, optimized geometry, and superior materials make these BMW S62 Velocity Stacks one of the most effective upgrades available for a naturally aspirated S62 engine. Alongside high-quality headers, they represent the best dollar-per-horsepower improvement you can make.

Partee Racing – Because Every Detail Matters.