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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Is my car tuned?
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      05-24-2021, 06:34 PM   #23
j.f.leonard
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Well, this car does have like 20-25 more hp from the factory than the n52 e9x's. I have an e90 325i before my f30.
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      05-24-2021, 07:03 PM   #24
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Quote:
Originally Posted by patriotaki View Post
BluAnimal

Sounds like a muffler delete.
Doesn't it? It has stock exhaust all the way through. I even double checked to make sure it has BMW stamp on the muffler. Idk anymore lol.
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      05-26-2021, 05:17 AM   #25
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Quote:
Originally Posted by BluAnimal View Post
Doesn't it? It has stock exhaust all the way through. I even double checked to make sure it has BMW stamp on the muffler. Idk anymore lol.
Not sure then, maybe the car comes with (or the previous owner put it) the BMW's sports catback system.

It sounds 90% identical to my f32 which i removed the muffler from the middle
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      06-03-2021, 04:43 AM   #26
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Maybe cat's are emptied, or replaced with a downpipe... Try knocking on it and see if it sounds hallow.

It sounds almost like mine with a downpipe and bm3

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      06-03-2021, 06:39 AM   #27
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Quote:
Originally Posted by milans View Post
Maybe cat's are emptied, or replaced with a downpipe... Try knocking on it and see if it sounds hallow.

It sounds almost like mine with a downpipe and bm3

Yep that's legitimately how it sounds. Don't have car at my house atm, will try that when I get it back. Is a different turbo a possibility? I don't know how common that is, I will have to look for any identifiers in the engine bay.
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      06-03-2021, 06:49 AM   #28
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Different turbo is a bit expensive, and not so common, probably downpipe and a tune
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      06-11-2021, 09:26 AM   #29
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I attached a pic of my turbo and downpipe from above. Looks all factory to me.
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