Codes P052B and P1339?

Tiny
BHAMDOC1973
  • MEMBER
  • 2013 BMW 528
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Are these two codes pretty much tied up together?
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Friday, November 4th, 2022 AT 2:02 PM

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Tiny
BHAMDOC1973
  • MEMBER
And do you know what passive vs active sensor means? I am getting a tool to help me with these types of issues, just needed to know, and do you know one this car would have?
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Friday, November 4th, 2022 AT 2:27 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

It appears they are tied together. See pics 1 and 2 for descriptions.

My first thought is the sensor itself could be the issue. However, a stretched timing chain can also cause this type of issue.

By any chance, do you hear any rattling from the engine when running? I remember there being a technical service bulletin (TSB) indicating the Vanos (variable valve timing) bolt can come loose or even break.

Also, have you noticed a loss of power, rough idle, difficulty with starting or anything other?

Let me know.

Joe
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Friday, November 4th, 2022 AT 9:07 PM

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