4N Motorsport – 4Nmotorsport

4N spec GT race engines

4N spec GT race engines

S55 F8x series

N52, N54, N55 E series

N52, N54, N55 E series

B58 F/G series

F8x custom intake/ exhaust systems

F8x custom intake/ exhaust systems

F8x custom transmission upgrade

F8x custom transmission upgrade

Apparel

S55 F8x series

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4N G-1200 external w/g

4N G-1200 external w/g

4N GT internal w/g

4N GT internal w/g

4N M4 GT4 Build

4N M4 GT4 Build

About Us

4N Motorsport is a high performance turbo kit manufacturer for BMW platforms. Over 20 years of road course and circle track racing experience has driven us to create products that push the envelope of performance. We strive to create the best turbo kits in the industry and break records!