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  • I have the same ticking noise on my 07 R56 when cold start, ticking noise goes away when engine warns up. Complained numerous time, was advised by dealer this is normal sound from plunge valve, timing chain tensioner was replace a year ago.

  • hi, when you rev you engine the noise decrease or increase?? i have this noise, when i rev the engine the noise decrease.

  • Take the car to your dealer, there is a fix to this. PuMA: 10686850-13 Bullet: SIM 11-02-07 List of parts, that need to be replaced: M11.31.7.597.895 tensioner (most up-to-date version) M11.31.7.534.784 timing chain M11.31.7.534.771 stud M11.31.7.568.241 rail M11.31.7.546.697 guide rail M11.31.7.534.833 chain tensioner M11.31.7.588.996 sprocket M11.31.7.534.768 stud (2 of these) M11.31.7.596.087 torx bolt M11.31.7.545.863 torx bolt Hope it helps.
  • It's the hydraulic timing chain tensioner sticking or failing. My R56 S is doing exactly the same thing!

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