Exhaust› Mufflers and Resonators

M Performance

M Performance Rear Exhaust Muffler B58D

$3,280.00

SKU: 18-30-2-464-492

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Genuine BMW M Performance Exhaust Muffler is a rear silencer designed for the BMW 3 Series G20 M340i and M340i xDrive Saloon with the B58D engine, from 2019 to present. It is developed using CAD and FEM for precise OEM fitment and finish, reducing back pressure to improve exhaust flow and performance capacity.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandM Performance
Part Number18-30-2-464-492
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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