Thread: Whisling noise on low revs
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      04-12-2024, 03:14 AM   #5
Nicolene
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Drives: BMW F10 523i 2011
Join Date: Apr 2024
Location: Pretoria South Africa

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Thanks for the advice I will investigate that (PCV), oil filter and also the transmission oil. Please advise, can PCV whislte, with no accompanying up/down/up/down rpm?
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