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Eisenmann

Axle-Back Exhaust System Quad 90mm Round Tips

$2,822.94 $2,680.90 Save $142.04

SKU: B5429.00904

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

Moderate — 2–4 hours

Description

The Eisenmann axle-back exhaust system is a hand-built performance exhaust designed for the BMW 640i F06, F12, and F13 models from 2013-2019. Constructed from T304/T306 stainless steel, this system features quad 90mm round tips. Eisenmann engineers leverage their OEM system design experience to create optimized performance exhausts.

This axle-back system is meticulously calculated and optimized for maximum performance across all revs, drawing on Eisenmann's extensive motorsport experience. It is crafted with old-world craftsmanship, ensuring a level of quality not found with other manufacturers.

Fitment

Fitment Guaranteed

Don’t gamble
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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

BrandEisenmann
Part NumberB5429.00904
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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