Spool Performance ATC-13 Stage 2 Transfer Case Kit

Spool Performance ATC-13 Stage 2 Transfer Case DIY Kit is a reinforced internal upgrade for BMW xDrive vehicles equipped with the ATC-13 / ATC13-1 transfer case.

• 4340 billet-steel hub with case-hardening and nitriding
• Optimized spline engagement for improved load distribution
• Reworked oiling pathways for improved lubrication and heat control
• Increased clutch capacity with 11 frictions versus 9 OEM
• Upgraded steels and Spool FX-TRT high-friction material

Fitment: BMW xDrive applications using the ATC-13 / ATC13-1 transfer case. Confirm VIN and transfer-case code before ordering.

Dispatch: Special order — allow 2–3 weeks.

Supplier

Spool Performance

Product System

• Transmission & Driveline

Vehicle Fitment

• BMW F90 M5 Atc13
• BMW F91 M8 Atc13
• BMW F92 M8 Atc13
• BMW F93 M8 Atc13
• BMW F95 X5M Atc13
• BMW F96 X6M Atc13
• BMW F97 X3M Atc13
• BMW F98 X4M Atc13
• BMW G01 X3 Atc13
• BMW G02 X4 Atc13
• BMW G05 X5 Atc13
• BMW G06 X6 Atc13
• BMW G07 X7 Atc13
• BMW G09 Xm Atc13
• BMW G11 Xdrive Atc13
• BMW G12 Xdrive Atc13
• BMW G14 Xdrive Atc13
• BMW G15 Xdrive Atc13
• BMW G16 Xdrive Atc13
• BMW G20 Xdrive Atc13
• BMW G22 Xdrive Atc13
• BMW G23 Xdrive Atc13
• BMW G26 Xdrive Atc13
• BMW G30 Xdrive Atc13
• BMW G32 640I Xdrive Atc13
• BMW G42 Xdrive Atc13
• BMW G70 Xdrive Atc13
• BMW G80 M3 Xdrive Atc13
• BMW G82 M4 Xdrive Atc13
• BMW G83 M4 Xdrive Atc13

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Supplier Part Number

SP-ATC13-DIY

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.