07-14-2023, 04:11 PM | #1 |
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N55 squeal new pcv valve cover and no fix
Hi,
I have recently purchased a 2016 BMW M235i N55 on 52000 miles. Shortly after purchasing, I started noticing a squealing/whistle noise at idle constantly and 3-4sec after I switched off the engine like the video attached. https://youtube.com/shorts/Afseh8OkaO0 https://youtube.com/shorts/YjfpQyiyzNY Since Finding the Noise I have replaced the PCV Valve Cover and Gasket and the squeal still persists. However, to add to the problem I have noticed a massive oil leak from the round back of the engine and gearbox could this mean the PCV Eventually broke the rear main seal? FYI 1 Litre of Oil from 500-600 miles. SOMEONE, PLEASE HELP IM A WITS END WITH IT. |
07-19-2023, 01:42 PM | #3 |
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07-19-2023, 04:55 PM | #4 |
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The engine creates vacuum at idle and under light throttle.. You've got a significant oil leak, presumably at the rear main seal. The noise seems more significant under the car near the trans. The rear main seal is in this area. I'd fix the seal as it is also the likely source of the sound. To be leaking 1 quart every 500 miles is major.
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DanAmbro0.00 |
07-19-2023, 05:34 PM | #5 | |
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Now I don't suppose you are aware of labour times or costs this may come with the repair I know the part is about £27 however I'm trying to work out general labour costs. |
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