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      10-26-2019, 06:38 PM   #103
Biginboca
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Drives: 2009 E92 328i 6MT
Join Date: Jun 2017
Location: Boynton Beach, FL... USA

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Quote:
Originally Posted by AlpineE93 View Post
I'm sure it's been stated some where before, but what's the advantages of going with the N54 intake over the 3SIM?
N54 = More peak power, makes power all the way to 7500 rpms.

3IM = More torque down low, direct bolt on.

The N54 makes the motor feel and behave like the S54 from the e46m3. I’ve run both manifolds and liked the n54 better. If you have a manual the n54 with a rear diff swap (3.73 or 3.91) is tits. You can take advantage of a raised redline and it makes the car a beast.

If you have an automatic then you can’t take advantage of the rear diff swap or the power above 7000rpms so the low end torque of the 3IM is better.
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