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Exterior Components› Body Panels and Components

BMW M Performance

M Performance PUR-RIM Rear Diffusor

$591.00 $479.06 Save $111.94

SKU: 51192339218

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

Moderate — 2–4 hours

Description

The BMW M Performance rear diffusor is an exterior enhancement designed to add an aggressive style to the rear of select BMW 4 Series models. Constructed using a PUR-RIM (Polyurethane Reaction Injected Molding) process, it offers both strength and light weight. The diffusor features a black matte finish that can be painted to match the vehicle's aesthetic.

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

BrandBMW M Performance
Part Number51192339218
CategoryExterior Components

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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