Mosselman Turbochargers

Looking for that next step in performance? Mosselman Turbochargers for BMW engines offer a huge boost in performance. Our turbochargers do not only make a car faster, they are designed to make the car feel better to drive: smoother, stronger and more alive.

Every Mosselman turbo begins with a brand-new OEM turbocharger from Garrett, MHI or BorgWarner. We never reuse old cores or rely on components with unknown history, because the foundation must be perfect. From that foundation, we engineer and upgrade what truly matters. This includes our own billet aerospace-grade compressor wheels, flow-optimized turbine geometry, strengthened bearings and CNC-machined housings that are produced in-house to achieve maximum efficiency, response and reliability. The goal is simple: more performance while maintaining the OEM refinement these engines are known for.

Airflow is the core of every Mosselman design. By increasing airflow and reducing backpressure, our turbos deliver faster spool, stronger mid-range performance and clean, consistent power right up to the redline, with boost that builds naturally, without lag, surges or sudden steps. Resulting in a predictable, controlled and seamlessly integrated driving experience.

Installation is kept as straight forward as possible. Because the original layout remains intact, each Mosselman turbo fits like OEM. The upgrade feels like a natural extension of the engine, as if the car should have been delivered with it from the factory.

At Mosselman Turbo Systems, every performance turbo begins with precision engineering. The compressor wheels are CNC-milled from forged billet aluminum for maximum strength and airflow efficiency, while the turbine wheels are built from Inconel or MAR–M to withstand extreme exhaust gas temperatures. Each component is machined to exact tolerances before being assembled into the CHRA, the core of the turbo where strength, sealing and smooth rotation are critical.

Balancing is the defining step in our process. Our turbos operate at speeds up to 200,000 rpm, so every wheel is balanced individually before the complete CHRA is high-speed balanced under oil pressure to replicate real-world conditions. Microscopic corrections are made until the core runs flawlessly, ensuring fast spool, stable boost and long term durability.

The result is a compact, high-performance unit that delivers predictable response, clean power delivery and the reliability Mosselman is known for. Engineered to elevate BMW engines far beyond their factory limits.

Explore the full range of Mosselman upgraded turbochargers below.

Mosselman BMW N20 Turbocharger

Performance up to 500hp*
No core charge
Upgraded compressor wheel
Upgraded turbine wheel
Based on a NEW MHI Turbocharger
Plug and Play installation

Available for the PWG and EWG models. *Depending on modifications and fuel type.

MOSSELMAN N20 TURBOCHARGER

Mosselman BMW N54 Turbocharger Set

Performance up to 650hp*
Based on a NEW MHI Turbocharger
Equipped with an MHI TD04 cartridge
Plug and Play installation
No core charge

Available for the LHD and RHD models. *Depending on modifications and fuel type.

MOSSELMAN N54 TURBOCHARGER SETS

Mosselman BMW N55 Turbocharger

Performance up to 600 hp*
Upgraded compressor and turbine wheel
Based on a NEW OEM Turbocharger
Plug and Play installation
No core charge

*Available for the PWG and EWG models. *Depending on modifications and fuel type.

MOSSELMAN N55 TURBOCHARGER

Mosselman BMW S55 Turbocharger Set

Performance up to 800 hp*
Based on NEW MHI S55 Turbochargers
Billet aerospace grade aluminum compressor wheel
Latest design oversized MHI turbine wheel with “slim nose”
Plug and Play installation
No core charge

*Depending on modifications and fuel type.

MOSSELMAN S55 TURBOCHARGER SET

Mosselman BMW S58 Turbocharger Set

Performance up to 950hp*
Based on a NEW MHI Turbocharger
Flow optimized custom intakes
Plug and Play installation
No core charge

*Depending on modifications and fuel type.

MOSSELMAN S58 TURBOCHARGER SET

The Heart of Precision, CNC and Automation

Mosselman’s 50-year legacy is built on technical knowledge, not theory. Today, that expertise is translated into absolute control over products that bear our name. In a market often fraught with uncertainty about the origin of performance parts, we guarantee quality by keeping the entire chain in-house. Our philosophy of “Performance Secured” starts right here, in our facility, where precision is non-negotiable.

“OUR PASSION FOR PERFECTION MEETS PRECISION. THAT IS WHY WE TRUST DMG MORI.“

The flagship of our production capability is the DMG DMU 50 3rd Generation 5-axis milling machine, a unit that delivers millimeter perfect work with extreme accuracy. By integrating this with the BMO Platinum 50 automation cell, we can produce the most complex parts 24/7 with a minimal margin of error. This isn’t mass production, this is precision engineering at scale.