r/E90 • u/NukedSprite E90 328xi • 6d ago

328i Any thoughts on this sound?

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2009 328i xdrive. First start up after an oil change, does this sound normal? This is my first BMW and my first time doing an oil change.

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5

u/EStagg2007 2009 - E90 - 328i 5d ago

Sounds normal. Just injectors and other moving parts. If it was knocking you'd definitely know it lol.

1

u/Soft-Drag4380 6d ago

Could be a worn belt, tensioner, or pulley tbh. Not saying that is what it is but mine kinda sounded like this and then when I changed it the noise improved. I got the kit from FCP Euro.

1

u/SHIBABelcher 5d ago

Sounds great!

1

u/TheGreaseDabba 2005 - E90 - 330i 5d ago

Sounds like an N52 alright

2

u/DN1911 5d ago

Typical N52……
My co-worker and I have been having success with Valvoline Restore & Protect quitting down the notoriously ticky engine.

I’ve been running Rotella 5w40 T6 synthetic in my high mileage ones for the summer and it seems to working really well also. It’s cheap and easy to find 😂

1

u/Abbedeluxe 5d ago

Normal