might be water is entering spark plugs or some ware in engine

What is your question?

i have to put antifreeze in radiotor every 2 weeks it not leaking it going some ware in engine now in order to start my car is jump start it

What makes this problem better or worse?

when engine is cold

How long has your 2006 Land Rover Range Rover Sport had this problem?

(at least 2 months)