The most common sign of a faulty or slacking timing chain is a rattling or clanking noise with sometimes heavy vibrations coming from the location of the timing belt is, the rear of the engine. The positioning of the timing chain remains a fundamental flaw in the engineering design, a major contributing factor to the wear of the chain.
How much does it cost to replace a timing chain on a BMW?
The Best in Auto Repair The average cost for a BMW 328i timing chain tensioner replacement is between $707 and $857. Labor costs are estimated between $572 and $721 while parts are priced at $135.
What year BMW have timing chain Problems?
A range of BMW diesel engines produced between 2006 and 2012 appear to have a design problem affecting the timing chain. The engine timing chain is very weak – it stretches over time, and ultimately snaps.
Do BMW timing chains need replacing?
BMW timing chains are engineered for the life of the engine and never need maintenance or replaced. To prove that point BMW has always performed several long distance tests on its new engines before they are put on the market.
Related Question How do I know if my timing chain is bad on my BMW?
When should a BMW timing belt be changed?
How often should the timing belt on a BMW be replaced? With the advent of newer and more durable timing belts, several car makers have extended the recommendation for how much mileage the belt can withstand, which also counts for BMW. Normally it is between 100,000 and 200,000 km.
Does BMW use timing chain?
Porsche, BMW and Mercedes Benz make use of an internal timing chain. These chains are more durable and less likely to fail themselves. On average, timing belts should be replaced every 80,000 miles or every 5 years. These should be visually inspected at least once a year or with each service.
Which BMW engine do I have?
Search for the VIN of your BMW. BMWs list the VIN on the left side of the dash looking in through the windshield or in the right inner fender. The fourth through eighth number in the VIN indicate features including the engine type.