Exterior Components Body Panels and Components

BMW

M Sport Rear Diffuser

$591.00

SKU: 51192291414

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

Constructed from PUR-RIM (Polyurethane Reaction Injected Molding), it offers a durable yet lightweight component in a black matte finish that can be painted to match your vehicle's color.

This rear diffuser requires the M Sport Rear Bumper for proper installation. It is specifically designed for select BMW 3 Series models, including the 335i, 335i xDrive, 340i, 340i xDrive, and ActiveHybrid 3.
Show original supplier description
Manufactured using PUR-RIM (Polyurethane Reaction Injected Molding) for a balance of strength and light weight, this diffuser comes in a black matte finish that is ready for custom painting. It is engineered for a precise fit on the F30/F31 3 Series chassis, including models such as the 335i, 335i xDrive, 340i, 340i xDrive, and the ActiveHybrid 3, with dual exhaust outlets. It is important to note that this diffuser does not fit vehicles without the M Sport package. Furthermore, fitment has been explicitly confirmed as NOT compatible with models such as the BMW 428iX, 2018 BMW 230iX, or any 1993 BMW models, nor will it fit a 2017 F31 if it lacks the M Sport bumper. Always ensure your vehicle is equipped with the M Sport Rear Bumper for correct installation.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBMW
Part Number51192291414
CategoryExterior Components

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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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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