Question about 2001 BMW 5 Series

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Valve Lifter Noise on 2001 525.

You can't hear noise from inside car unless you roll down window or you are standing outside. Car is a stick. Has 82000 on it. No oil consumption. Use Castrol synthetic oil (5w20). Engine runs very smoothly. Starts quickly and has no drivability problems.

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  • riclds Jan 23, 2009

    Noise is constant. It is a very light sounding ticking. Also, I have been using the heavier oil for the last 29000 miles.

  • mbseaman765 Mar 24, 2009

    lifter clicking-2001 BMW 330i 87K miles. Clicking has been going on for the last 30K miles intermittently.

    Tried adding Marvel Mystery oil for 200 miles and then changed the oil. Clicking stopped for a short time and then returned.

    Going from 5W30 Mobil 1 to 10W30 helped a little to subdue the noise but it is still there.

  • Anonymous Apr 14, 2009






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The Castrol synthetic 5W20 oil may be too light for your car. None of the following three sources recommend 5W20 oil.

Per Bentley manual for 1999 and later E39 BMW (excluding M5), BMW HP 5W30 synthetic oil (07 51 0 017 866) is recommended.
Per the Mobil Oil web site, Mobil 1 synthetic 0W40 oil is recommended.
Per the Castrol Oil web site:
SM 5W-30 - Thank you for inquiring about what oil is best for your vehicle. Based on the information you provided, your vehicle requires a special engine oil that can only be purchased at your local dealer. Please visit your local dealer to ensure that your vehicle is serviced properly.

Does the noise vary or is it constant? Noticed only at startup or all the time?
Another ticking noise source could be the VANOS unit.
PT Stanley

Posted on Jan 23, 2009


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