BMW Drop-In Engine Coolant Overflow Recovery Reservoir Tank With Sensor And Cap For 2001-2006 X3, 2001-2005 X5, And 3 Series Models Like 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i Replacement For 17137787039

BMW Engine Coolant Overflow Reservoir with Sensor and Cap 1x
✔️ Replacement for 17137787039, sensor & cap included, ready fit

This BMW coolant overflow reservoir is a drop-in replacement that restores proper coolant storage and sensor monitoring in your cooling system. It’s designed to fit a wide range of BMW models, including E46 3 Series sedan, convertible, coupe and touring, plus X3 (E83) and X5 (E53) from 1998-2011, offering a straightforward swap for worn or cracked tanks.

✅ Replaces OEM numbers: 17137787039, 17111436413, 17117573781, 17132247553, EPK0018, EPT0018, FRT1901C, S49002, 603-535
✅ Fits BMW E46 3 Series, X3 (E83), X5 (E53) and related models
✅ Sensor and cap included for easy, ready-to-install replacement
✅ High-quality reservoir bottle designed to meet OEM specs

💡 What is a coolant overflow reservoir used for in BMW cooling systems? This handy part helps manage coolant levels and prevent overheating in engines. - Keeps coolant level consistent to avoid overheating - Sensor data helps the dash or ECU alert to low coolant - Fits E46, X3 (E83), X5 (E53) families for handy replacements