Estimates last updated October 16, 2025

BMW 645Ci Windshield Washer Fluid Reservoir Replacement Cost

The average cost for a BMW 645Ci Windshield Washer Fluid Reservoir Replacement is between $306 and $363.

• Labor costs are estimated between $122 and $179 while parts are typically priced around $184.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.