CSF

CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator

Name: CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator
Brand: CSF
SKU: C00B 8321
Price: 633.56 USD
Availability: InStock

$633.56

SKU: C00B 8321

In Stock

Ships by Jun 9

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The CSF #8321 is a high-performance auxiliary radiator designed for BMW G8X M3/M4/M2 models, featuring a 2-row, 42mm high-performance core with B-tube Technology and ultra-efficient 5mm tall fins. It is a 100% all-aluminum, TIG-welded unit with OEM style "Quick Connect" inlet/outlet, detachable rock guards, and a satin black finish. It is a direct "Drop-in Fit" replacement, suitable for professional racing, street performance, or OEM replacement, and is sold individually (all applications use two auxiliary radiators, fitting both left and right sides).

Fitment

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Specifications

Brand	CSF
Part Number	C00B 8321

Videos

How to Install CSF Aux Radiators on a G8X M2, M3, or M4

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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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