Estimates last updated October 16, 2025

BMW 840i Gran Coupe Timing Chain Tensioner Replacement Cost

The average cost for a BMW 840i Gran Coupe Timing Chain Tensioner Replacement is between $352 and $432.

• Labor costs are estimated between $171 and $251 while parts are typically priced around $181.
• This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.