1 Set 14mm 0.55" ID Universal Silicone Coolant Cap Intake Vacuum Hose End Plug - Car for Coolant Heater Bypass Vacuum Water Port - Silicone Blue Red 2.5mm X 14mm Nozzle Dimension: 31x18x31mm / 1

Nozzle Dimension: 31x18x31mm / 1

and when they knock on nails

Fitment: for BMW 335i 2007-2013

don't worry the contents will be spilling out

Mounting Diameter : 19

1 Set 14mm 0.55" ID Universal Silicone Coolant Cap Intake Vacuum Hose End Plug - Car for Coolant Heater Bypass Vacuum Water Port - Silicone Blue Red 2.5mm X 14mm Nozzle Dimension: 31x18x31mm / 1Function: Made of 3 ply Polyester Reinforced Silicone material, which is high temperature and pressure resistance, sturdy and durable. It provides the required performance, reliability, strength and flexibility, improves the flow and performance of the engine cooling system. Function: In automobiles, silicone tube plugs are often used to prevent leakage of coolant and other liquids to ensure the normal operation and safety of the car. Application: