Estimates last updated October 16, 2025

BMW 840i Windshield Washer Fluid Reservoir Replacement Cost

The average cost for a BMW 840i Windshield Washer Fluid Reservoir Replacement is between $361 and $452.

• Labor costs are estimated between $195 and $286 while parts are typically priced around $166.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.