CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Fits 2015-2021 M2/M3/M4 Models

CSF High-Performance Auxiliary Radiator - BMW F8X M2 Competition / M3 / M4 2015-2021 - Black, Left or Right (Sold Individually)

CSF SKU: CSF8258
Price
6% OFF
In Stock – Ready to Ship
Make sure this fits your vehicle Select your vehicle to confirm fitment before you order. Check
Shipping calculated at checkout.

CSF High-Performance auxiliary radiator for the BMW F8X M2 Competition, M3 and M4. CSF eliminated the OE plastic mounting pod and folded it into a modular housing that fits both the left and right side, freeing space for a larger 2-row 42mm core and bigger end tanks (roughly 7% more core, 10% more tank volume than OEM). The high-efficiency core uses CSF's exclusive B-Tube technology with 6.5mm multi-louvered fins, all in 100% all-aluminum TIG-welded construction with stronger metal mounting pins and brackets. A detachable bolt-on rock guard and satin black finish protect the core from road and track debris behind the grille. All applications require two units; sold individually.

Specifications

Type High-performance auxiliary radiator (fits either side; the right side unit is part of the charge air cooling system, the left side unit is part of the engine cooling system)
Material 100% all-aluminum, TIG-welded
Core 2-row, 42mm (CSF B-Tube technology)
Fins 6.5mm tall multi-louvered
Inlet / Outlet OEM-style quick-connect
Finish Satin black
Fit Drop-in fit, no modifications; fits both left and right side
Included Detachable bolt-on rock guard
Part Number 8258
Warranty 2-year limited warranty

This part fits:

Year Make Model Submodel
2019-2021 BMW M2 Competition
2020 BMW M2 CS
2015-2018 BMW M3 Base
2015-2020 BMW M4 Base
2019-2020 BMW M4 CS
2016 BMW M4 GTS

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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