Aftermarket Coolant Reservoir Tank With Cap And Sensor Built To Crush The Heat Straight Swap Drop Right In Installation Durable Overflow Bottle Oem Replacement Cooling System Part For Daily Drivers

Direct Fit BMW Cooling System Overflow Bottle With Sensor
✔️ Sturdy resin tank keeps 1.35 liters coolant under 140 kilopascals

This single replacement part drops right into the engine bay to replace a busted capillary jug on daily commuters. You strap it onto mounts quickly to stop messy coolant leaks while keeping cylinder heads from running hot in stoplight traffic.

✅ Direct plug and play swap fits multiple BMW sedan and coupe model variants
✅ Includes factory matching mounting hardware and electrical sensor attachment
✅ Handles extreme engine bay heat while maintaining steady fluid levels inside
✅ Matches original equipment reference codes 17137642158 and 17137609469

💡 What is a coolant expansion tank handy for when hauling heavy loads uphill?
Fixing a cracked vessel stops messy leak spots around the driveway floor.
- Sealed inner chambers route thick glycol mixture back into the heater core fast
- Reinforced wall panels absorb vibration so hoses never rattle loose on bumpy backroads
- Factory spec ports mate right with existing thermostat housings without drilling holes

✝️