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325i - Strange noise when turning engine off?
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| 12-01-2022, 06:44 AM | #1 |
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325i - Strange noise when turning engine off?
Hi chaps – First time posting 😊 Would anyone know what this noise could be, when turning the engine off. It started a few weeks back (typical after its come back from BMW for an MOT). The car starts, idles and drives spot on. The noise seems like it coming from the High pressure Fuel Pump area or that side of the engine. Sounds like its some kind of compression or piston noise??
Any ideas? Hoping its an easy and no so expensive fix. Ta in advanced! Cheers. Video - https://1drv.ms/v/s!Ar1xCGxgjcMigfsJ...GaL7A?e=zRfAcs |
| 12-02-2022, 09:46 AM | #3 |
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Drives: E92 325i MSport Coupe
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Relax, that noise is completely normal. It is a pressure relief valve releasing pressure in the crankcase on switch-off.
P.S. You clearly look after your engine bay, so you might want to fit the black plastic cover on the oil cooler (part number 11427537294) shown here as number 11: https://www.realoem.com/bmw/enUS/sho...diagId=11_3753
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E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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| 12-03-2022, 06:41 PM | #4 |
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Thanks Phil325i, is this something that comes with age as it never used to do it, it started a few weeks back after coming back from BMW for an MOT. Also will look into the oil cooler cover
 cheers bud! |
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| 12-04-2022, 06:32 AM | #5 | |
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Quote:
__________________
E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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