BMW S55 TDO4HL 9 blade turbine shaft upgrade

TD04HL 9 blade turbine shaft for upgrade 2014 - 2018 BMW S55 F80 M3 F82 F83 M4 turbo charger

• Direct for fit TDO4HL turbos
• 45.6mm x 52mm 9 blade turbine 
• used in TDO4 upgraded BMW S55 turbo chargers
• Can be used to upgrade smaller tdo4 variations 
• Lightweight for quicker spool
• 9 blade design makes more topend power
• These upgraded turbines are commonly used in Vargas s55 turbo upgrades which have turbine housings machined for this turbine
• The factory BMW M3 M4 TFO35 turbine housing must be machined to fit this turbine and TDO4 journal bearing must be used.

If you are not sure which turbine you have here are the different size turbines:

• TFO35: 37.7mm x 43mm (stock s55)
• TD04: 40mm x 47.2mm
• TD04L has 41.3mm 47mm
• TD04H 44.2mm x 52mm
• TD04HL 45.6mm x 52mm