The timing chain tensioner is expected to last between 80,000 and 120,000 miles. However, there is no recommended time frame to change the tensioner. The device is expected to run long and should be checked regularly. BMW i3. BMW X3. BMW 750i. How long should a BMW timing chain last? BMW use timing chains in almost every model of engine that they produce. It is recommended to replace your timing chain before failure as repair prices can become very high from internal engine damage if left. The average life of these timing chains is 90,000 miles or 9 years. If you think you have a timing chain problem or timing belt problem with your BMW engine, then contact us. We have over 30 years’ experience in the BMW trade and can help you with any timing chain problems you are experiencing. Our contact details are below. Contact Details. Phone: 029 2039 8873 / 2037 2688. Email: sales@majormotors.co.uk How Long Does It Take to Replace a Timing Chain? The timing chain replacement cost is higher than many other auto repair jobs in large part because of how long it takes to put a new timing chain into place. Oftentimes, it’s going to take a mechanic between 4 and 6 hours to complete a timing chain replacement job from start to finish. BMW and MINI use Timing Chains in almost every model of engine that they produce.It is recommended to replace your timing chain before failure as repair prices can become very high from internal engine damage. From experience the life of these timing chains are 90,000 miles or 9 years. Table of Contents show. We have covered the timing chain symptoms and how this replacement is performed. Now let’s discuss the cost to replace this timing chain on your car. And the short answer is that replacing the chain is not cheap. On the cheapest end, you can replace the timing chain for $400 to $800. wDwsZT. Take the alternator belt’s idler pulley and fit it to the timing cover. Slide the pulley up from the bottom of the engine and thread in one of its three bolts. Then, come from the top of the engine and thread in the other two. Use a 10mm socket or wrench to tighten the bolts. All manufacturers fitted timing chains in their cars back in the good old days, yet with the introduction of new materials, most were replaced with rubber timing belts in the 60s and 70s. The new rubber options were easy to manufacture, much quieter, and easier to access and replace. However, timing chains made a partial comeback in the 90s, in How much does it cost to replace a timing chain on a 2013 BMW X3? The average cost for BMW X3 Timing Chain Replacement is $1520. How long should a BMW timing chain last? BMW use timing chains in almost every model of engine that they produce. It is recommended to replace your timing chain before failure as repair prices can become very high Replacing the timing belt is an expensive service. It is an intricate, labor-intensive process that can take 4–8 hours, depending on the vehicle. But replacing the timing belt before it breaks will prevent engine damage and save you money in the long run. 2001 E38 740iL Timing Chain. I am aware that this topic has been discussed n number of times but so please be patient. I have decided to replace the timing chain guides since the engine leaks oil and vanos is rattling lightly when warmed up. There are 160k miles on the car and engine has not been touched at all. Its very greasy up front. 33 comments. Add a Comment. SodaSlaughter • 11 yr. ago. Timing chains are not designed with a specific maintenance interval and are supposed to last the life of the motor. That being said, the 2.4 quad 4 is known to have guide failures and the chains themselves are known to break. The quad 4 was plagued with reliability problems in general.

how long should a bmw timing chain last