How do I know if my timing chain is bad on my BMW?

Symptoms of Your BMW’s Failing Timing Chain

  1. Rough idling: Start up your car and set out of it.
  2. Unusual noises: Especially when idling, but not just when idling, you may hear your engine rattle.
  3. Metal shavings in oil: The timing chain will wear out over time.

How often do BMW timing chains break?

Replacement Guidelines 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.

Did BMW fix the timing chain issue?

Has Bmw Fixed Timing Chain Problem? There appears to have been a significant reduction in chances of failure in the timing chain components since BMW redesigned them in January 2015.

How much does it cost to replace a timing chain on a BMW?

The average cost for a BMW 328i timing chain tensioner replacement is between $822 and $972. Labor costs are estimated between $574 and $724 while parts are priced at $249. This range does not include taxes and fees, and does not factor in your specific model year or unique location. Related repairs may also be needed.

What are the symptoms of a bad timing chain tensioner?

Check Engine Light. The check engine light illuminates only when there is something wrong with the engine.

  • Noisy Engine. There is often a timing chain tensioner noise from within the engine due to a failing tensioner.
  • Difficulties Starting the Engine.
  • Engine Misfire.
  • Engine Failure.
  • How do you install a timing chain tensioner?

    Put your engine at the top dead Centre.

  • Make sure that cam doesn’t move in any other direction.
  • Remove the front timing chain hydraulic tensioner.
  • Remove the bolts.
  • Take the chain and sprocket off.
  • Replace your balance shaft tensioner.
  • Remove the keyway for chain removal.
  • Spin the chain and pull it out.
  • Reinstall the crankshaft keyway.
  • How to tighten timing chain?

    Drive out the crankshaft seal with a hammer and punch. This is the rubber seal around the crankshaft and the timing cover.

  • Tap the new crankshaft seal into the timing cover. The seal should be seated into the correct place on the timing cover.
  • Coat the seal with oil.
  • Reinstall the timing chain cover.
  • Is a timing chain better than a timing belt?

    While timing chains are far more reliable, timing belts are far cheaper. This allows the manufacturer to save some money during production. Furthermore, timing belts used to be far quieter than timing chains, but this isn’t the case anymore in newer vehicles.