Adapter Assenmacher Tools (AST) FZ25

The Adapter Assenmacher Tools (AST) FZ25 (manufacturer part number FZ 25) is a precision aftermarket tool designed by Assenmacher Tools (AST) for accurate pressurization of BMW cooling systems. Engineered specifically for systems requiring a tank adapter with female 47 x 3 mm threads, this adapter is essential for professional cooling system diagnostics and leak detection.

Key Features:

• Designed and manufactured by Assenmacher Tools (AST)
• Manufacturer Part Number: FZ 25
• For use as a Cooling System Tester Adapter (Tank Adapter)
• Features female 47 x 3 mm threads for direct compatibility

Verified Fitment Includes:

• BMW 330e (2016-2018; F30 chassis; Base and iPerformance; 2.0L L4; Sedan)
• BMW 550i, 650i, 750i, 760Li, ActiveHybrid 7, Alpina B7/B7L, i3, i8, M2, M3, M4, M5, M6, M850i xDrive, X1, X5, X6 across select years and submodels as indicated (see detailed fitment for exact applications and conditions)

This adapter is an essential addition for technicians and advanced enthusiasts working on BMW cooling systems where female 47 x 3 mm threads are specified. Always verify fitment based on your vehicle’s model, year, engine, and chassis as outlined above.