BMW M5 / M8 (F9x) upgrade turbochargers
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When installing a new turbocharger we recommend to read our Installation guide.
Bolt-on solution for BMW M5 F90, M8 F91, M8 F92 with 4.4l S63B44T4 twin-turbocharged V8 engine designed to work with stock exhaust manifold and other engine units. 
 
Turbosystems upgrade turbocharger for BMW S63B44T4 features: 
dual ceramic ball bearings;
reinforced bigger machined from the solid compressor wheels;
enlarged turbine wheels;
refurbished housings;
new shafts;
balanced on VSR
Power range: up to 950hp
BMW M5 F90 4.4 V8 BiTurbo
BMW M8 F91 4.4 V8 BiTurbo
BMW M8 F92 4.4 V8 BiTurbo