2014 - 2018 BMW M3 M4 S55 F80 F82 F83 TDO4 TFO35 Turbo Rebuild kits

2014 - 2018 BMW F80 M3 F82 F83 M4 with the S55 engine have twin TFO35 turbochargers stock. The TFO35 rebuild kit is smaller inside diameter of the journal bearings (7.04mm ID) which match the TFO35 turbine shaft. Click here to buy the TFO35 turbo rebuild kit for BMW M3 F80 M4 F82 F83.

The TFO35 Turbos can be upgraded to TDO4 turbos, by replacing the TFO35 journal bearings with TDO4 journal bearings (7.52mm) and using the TDO4HL (45.6mm x 52mm) turbine shaft. The upgraded S55 turbos as a result use a different rebuild kit than the stock TFO35 turbos.   Click here to buy the TDO4 upgraded turbo rebuild kit for BMW M3 F80 M4 F82 F83 turbos such as Vargas a Pure turbos.