BMW S55 Hybrid Turbo Upgrade – Mosselman MSL Stage 2 Twin Turbos for F87 M2 Competition, F80 M3, F82/F83 M4 | Direct-Fit Bolt-On | Stock-Location | 620hp Capable | OEM-Grade Reliability | No Core Exchange | VSR Balanced | Plug & Play Drop-In Bi-Turbo

Mosselman MSL Stage 2 Uprated Twin Turbos for BMW M2C, M3, M4 - Direct Replacement, OEM-grade Reliability

Transform your BMW M with a high-flow, stock-location twin turbocharger set that keeps everyday manners while unlocking serious headroom. Built from brand new OEM units and re-engineered by Mosselman Turbo Systems in the Netherlands, this Stage 2 pair is a true drop-in solution for the 3.0-litre S55 straight-six. Expect rapid spool, punched-up midrange and a broad torque curve - all with OEM-plus durability and quality control.

What makes this upgrade stand out

• Brand new factory-based housings with Mosselman-engineered internals for increased airflow and durability
• Fast spool characteristics for responsive performance and a wide usable powerband
• Direct replacement in the factory location - bolt-on fit with no additional modifications required
• Manufactured in-house in the Netherlands to Poka-Yoke and ISO standards
• VSR balanced with accompanying balance reports for each unit
• Limited 1-year warranty for peace of mind

Power potential

With appropriate supporting hardware and calibration, these uprated turbos are capable of approximately 620 hp and 750 Nm when paired with a Stage 3 ECU remap and catless downpipes. Premium fuel is strongly recommended - 98 RON EU or 93 oct US.

Compatibility

• BMW F87 M2 Competition - S55 engine
• BMW F80 M3 - S55 engine
• BMW F82 M4 - S55 engine
• BMW F83 M4 Convertible - S55 engine

Built right, tested right

Every unit is produced on Mosselman’s in-house line in the Netherlands, following ISO and Poka-Yoke processes. Each turbo is VSR balanced and supplied with its balance report, delivering the confidence and consistency you expect from an OEM-based upgrade.

Proven on customer cars

We have fitted these turbos to multiple S55-powered builds and owner feedback has been excellent. Customers love the sharp spool-up, strong mid-range punch and everyday drivability, with the reliability you want from a factory-location solution.

Installation and support

Professional fitting is recommended. MJ Modifications in Warwickshire offer in-house installation and support. For a fitting quotation or to plan your S55 build, email info@mjmodifications.co.uk.

Why enthusiasts choose this set

• OEM-based new units - no core exchange
• High-flow upgrade while preserving daily comfort
• Stock-location fitment for a clean, factory-style installation
• Trusted brand with rigorous quality control and documentation

Ready to elevate your M2 Competition, M3 or M4. This Mosselman Stage 2 twin turbo set delivers a true OEM-plus solution that supports serious gains without giving up drivability.

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