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Mark Hendrikx - Automotive engineer at Mosselman

Expert's advice:

Looking for more than just chiptuning? Our MSL Turbocharger for the N54 engine offers a huge boost in performance. By increasing the airflow and reducing backpressure, these turbos increase performance levels significantly without sacrificing reliability. To ensure maximum compatibility, they’re based on OEM quality turbos, but with several components of our own design to ensure the highest quality and reliability.

Mark Hendrikx - Automotive engineer at Mosselman

Performance gains per stage

For your BMW 335i E90 N54 306hp

Series stock performance: 306hp | 400Nm | 225kW* * based on manufacturer supplied data


Chiptuning, BMW Exx N54

With an ECU remap, also known as “chip tuning” or “reflash”, the original ECU of the car will be recalibrated on several different engine parameters for more performance. Options like speed limiter removal and start/stop deactivation are available. Please note that an ECU remap will void the factory warranty once detected by a BMW dealer. Installation and back to stock can be done by any official Mosselman Dealer, or at home with the iMoss DIY solution that we offer.

The ECU Remap will take your BMW 335i E90 N54 to approximately 370 hp and 510 Nm on premium fuel (98 Oct EU / 93 Oct USA), which is highly recommended. Additional to the ECU remap we recommend installing our MSL Oil Thermostat N54 to lower the oil temperature.

Chiptuning, BMW Exx N54

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Intercooler E-series N54/N55, BMW 135i, 335i, Mosselman

Go for the next step in performance with our Stage 2 ECU remap and an upgraded Intercooler: a very cool and powerful combination. The intercooler will lower the intake temperature, allowing more timing and boost resulting in better performance in all conditions.

The MSL Stage 2 package will take your BMW 335i E90 N54 to approximately 390 hp and 540 Nm on premium fuel (98 Oct EU/ 93 Oct USA), which is highly recommended. Additional to this package we recommend installing our MSL Oil Thermostat N54 to lower the oil temperature.

Chiptuning, BMW Exx N54

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Intercooler E-series N54/N55, BMW 135i, 335i, Mosselman

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Downpipes Catless N54, BMW 35i E8x/E9x Stainless steel (LHD ONLY)

The Stage 3 package includes our Stage 2 ECU remap, an upgraded intercooler and sport/catless downpipes. The downpipes can be ordered with or without Sport Catalytic* and will reduce the backpressure, resulting in better performance and a racing sound. *Please note that the catless downpipe can cause problems due to the road regulations in your country.

The MSL Stage 3 package will take your BMW 335i E90 N54 to approximately 400 hp and 560 Nm on premium fuel (98 Oct EU/ 93 Oct USA), which is highly recommended. Additional to this package we recommend installing our MSL Oil Thermostat N54 to lower the oil temperature.

Chiptuning, BMW Exx N54

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Intercooler E-series N54/N55, BMW 135i, 335i, Mosselman

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Downpipes Catless N54, BMW 35i E8x/E9x Stainless steel (LHD ONLY)

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Upgrade Turbocharger Set BMW N54, STAGE 2, MSL50-65

Go full power with our Stage 4 package! The Mosselman MSL N54 Turbocharger Upgrade set is based on brand new OEM turbos and will unleash the real potential of the N54 engine. Together with our Stage 3 ECU remap, Upgraded Intercooler, and Catless Downpipes, this Stage 4 Package will take your BMW 335i E90 N54 to approximately 450 hp and 600 Nm on premium fuel (98 Oct EU/ 93 Oct USA), which is highly recommended.

Additional to the Stage 4 package we recommend installing our MSL Oil Thermostat N54 to lower the oil temperature.

Excluding sales Tax

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BMW 335i E90 N54 TUNING.

Tuning a car is a delicate thing. Whether it’s an ECU remap, a new turbo or a full-on stage three tuning, you need to make sure each component is working at optimal efficiency under careful supervision of a sufficiently smart engine management system. After all, you’re looking to create a symphony and that’s hard to do when one of the instruments is off. That’s why all of our products are designed and built in-house. Professional tuning requires a steady hand and we want to be solely responsible for getting the most out of your car.

Because most modern engines are heavily restricted due to emission regulations, an ECU remap or installation of an engine control unit is always the first step towards unlocking the performance your BMW or Mini is capable of. However, as our name implies, we do have upgraded turbos, should you be in the market for one. In addition, Mosselman Turbo Systems offers more efficient intake and exhaust systems, oil thermostats, oil coolers, and intercoolers. So if you’re looking for more performance, you’ve come to the right place.

BMW 335i E90 N54 306hp tuning possibilities

Check the performance gains