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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Normal N54 engine sound?



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      09-27-2018, 05:19 PM   #1
suni_335
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Normal N54 engine sound?

Hey guys. I recorded my engine sound where you can hear when I close up my phone to the left side near the boost solenoids a strange noise which I’m not sure if it’s normal. Do your sound the same and is this the valvetronic or something else? Thanks for the attention!

VIDEO:
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      10-01-2018, 04:17 PM   #2
akg123
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My car makes a similar sound toward the rear of the engine. I got paranoid so I sent in an oil sample for analysis, but still waiting for results. Following
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      10-01-2018, 05:34 PM   #3
Groganrocket
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Quote:
Originally Posted by suni_335 View Post
Hey guys. I recorded my engine sound where you can hear when I close up my phone to the left side near the boost solenoids a strange noise which I’m not sure if it’s normal. Do your sound the same and is this the valvetronic or something else? Thanks for the attention!

VIDEO:
That’s normal and on these cars the injectors are also pretty loud.
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      10-01-2018, 08:27 PM   #4
TiAgAu
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Quote:
Originally Posted by Groganrocket View Post
That’s normal and on these cars the injectors are also pretty loud.
Just like an old sewing machine. There insanely loud without the engine cover.
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      10-01-2018, 09:00 PM   #5
LaynEE92
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The chugging or helicopter sort of noise you hear i think is coming from the throw out bearing near the clutch or is the dmfw. My first 335i made the same noise.. everthing else is normal.
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      10-02-2018, 11:03 AM   #6
Mike@N54Tuning.com
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Quote:
Originally Posted by GovernUrMental View Post
Just like an old sewing machine. There insanely loud without the engine cover.
+1

The engine cover muffles A LOT of noise..

Mike
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