MSL35-45 Stage 1 Turbocharger for BMW N20 PWG

The Mosselman MSL35-45 Stage 1 is a bolt-on, uprated turbocharger designed to enhance the performance of BMW N20 PWG engines. Built using new genuine BMW turbocharger cores and incorporating Mosselman's proprietary high-spec internals, this unit provides a dependable, daily-drivable upgrade. It delivers stronger midrange torque, sharper throttle response, and smooth, repeatable performance while maintaining factory-like manners. Engineered for rapid spool and low lag, the MSL35-45 Stage 1 features a fast-spooling design that results in lively response and a wide, usable powerband. This makes it ideal for road, fast road, and track-day use, especially when paired with suitable supporting modifications and a proper ECU remap. Customers have reported crisp response, repeatable heat management, and an OEM-plus feel with the added power. This turbocharger is specifically compatible with BMW N20 engines featuring the PWG pneumatic wastegate, manufactured before July 2013. This includes models such as the F20/F21 125i (2011-2013) and the F30/F31/F34 328i (2011-2013). The design is a direct replacement, offering a true bolt-on installation with factory-style orientation and connections for straightforward integration with the stock N20 PWG unit, requiring no fabrication.