Turbosystems upgraded turbocharger for BMW N55

Description

Important! Exchange basis.

When ordering this turbocharger with the “With exchange” option you are required to deliver your original turbocharger to our headquarters before we can send you the upgraded version.

Bolt-on upgrade turbocharger for BMW models with N55 engine. Comes in two options – Stage 1 and Stage 2. Before ordering, please confirm whether your vehicle requires vacuum or electronic control.

When ordering this turbocharger please include your vehicle’s VIN number in the order comments so we can select the correct actuator bracket for you.

Stage 1 features:

• improved bearing system helps hold heavy loads where standard bearings would fail;
• new billet compressor wheel. This enlarged impeller with improved design helps achieve wanted boost easier. Due to its better material and special production processes it is more reliable when used under high pressure;
• upgraded turbine wheel with shaft from stronger material and improved design. Enlarged base provides better flow;
• machined and fully refurbished housings;
• every rotating part of the turbocharger balanced, after full assembly turbocharger is balanced on VSR;

Power range: 550 HP

Stage 2 features:

• standard bearings replaced with dual ceramic ball bearing systems. It helps turbocharger spool better  and allows to reach results faster.
• new billet compressor wheel. This enlarged impeller with improved design helps achieve wanted boost easier. Due to its better material and special production processes it is more reliable when used under high pressure;
• upgraded turbine wheel with shaft from stronger material and improved design. Enlarged base provides better flow;
• machined and fully refurbished housings;
• every rotating part of the turbocharger balanced, after full assembly turbocharger is balanced on VSR;

Stage 2 power range: 600+ HP