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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > N43 rattling noise



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      11-28-2019, 01:40 PM   #1
dstihl
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N43 rattling noise

Hey guys, I really need your help.

I have bought an E90 LCI 318i recently. (2009/09, N43B20A)
When the engine gets warm, a rattling noise occurs, which is louder on higher revs and with warmer engine.

Here is a video on it:


If I speed up, and put it in neutral, it slows down and goes away, but comes back right when I put it back in gear.

The following have been replaced recently: plugs, coils, injector #2, nox sensor, chain tensioner

My current error codes:
0029F4 Catalytic-converter conversion
002A26 Catalytic converter, conversion in startified charge mode
002EF7 Map thermostat, activation
0030C1 Engine-oil pressure control, static

Any idea?
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      04-03-2020, 03:49 PM   #2
Xanturion
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Wondering if it is fixed. Here same problem
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      04-03-2020, 04:21 PM   #3
dstihl
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The following have been replaced since:
-timing chain and all its accessories
-oil pump
-oil pressure valve

The noise is still there.
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      06-21-2020, 11:01 AM   #4
Ray777
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Have the same problem here. It only happens when the engine is warmed up properly and when letting off the throttle. Cant find the fix anywhere. BMW E92 328XI N51

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      06-25-2020, 07:34 AM   #5
Phil325i
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Quote:
Originally Posted by dstihl View Post
The following have been replaced since:
-timing chain and all its accessories
-oil pump
-oil pressure valve

The noise is still there.
Did you replace the oil pump drive module?

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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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