BMW Radiator Hose with Temperature Sensor Fitting | 1998-2003 21-20-7-531-843 3 reusable application tool kits

3 reusable application tool kits (presumably with various attachments for different engine types)

this connecting bridge effectively connects your vehicle's knock sensor to the engine control module

It helps maintain optimal tyre performance and safety by ensuring correct inflation levels

making it an ideal companion for both daily commutes and travel

Precise Fit: Designed for a perfect fit between the cylinder head and engine block

BMW Radiator Hose with Temperature Sensor Fitting | 1998-2003 21-20-7-531-843 3 reusable application tool kitsRadiator Hose with Temperature Sensor Fitting for 525i (2001 2003), 528i (1998 2000), 530i (2001 2003)