BMW Timing Belt | Chain Replacement Cost - All Models 1989 BMW 325i L6-2: Timing Belt Replacement: $559: $721 – $1039: 1992 BMW 325i L6-2: Timing Belt Replacement: $531: $670 – $952 BMW Timing Chain Lawsuit Settlement Reached A BMW timing chain lawsuit settlement has been reached over vehicles equipped with N20 and N26 direct injection turbocharged engines that can fail. According to the timing chain BMW timing belt [chain] - boards BMW timing belt [chain] Hi lads I have an 08 320d M sport. I know there were issues with the timing belts on these models. I've 127,000 miles on the clock. Wondering whether I should get the timing belt done? It seems to be running fine but I know I heard of some horror stories.