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CSF High-Performance Engine Oil Cooler with Rock Guard - BMW G8X 2021-2026

CSF SKU: CSF8266
Price
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CSF's high-performance engine oil cooler for the S58 is built with CSF's AC condenser technology, using a 1-row super-high-pressure 32mm 10-channel microtube for optimal oil flow and maximum surface area contact. An 8mm tall multi-louvered fin (versus 6mm OEM) increases heat dissipation, while the factory mounting location and dimensions are retained so the OEM ducting, shrouds, and top and bottom rubber seals are reused with no modifications. A rock guard protects the core from road and track debris, and OEM-style inlet and outlet connections make it a drop-in upgrade for road racing, drag racing, and tuned cars.

Specifications

Type Engine oil cooler (CSF AC condenser technology)
Engine BMW S58 3.0L inline-6 turbo
Core 1-row, 32mm 10-channel microtube
Fins 8mm multi-louvered (OEM 6mm)
Rock Guard Included
Connections OEM-style inlet/outlet
OEM Replacement 17 11 8 095 293, 17 21 8 095 297
Quantity 1
Part Number 8266
Warranty 2-year limited (CSF)

This part fits:

Year Make Model Submodel
2024-2026 BMW M3 Competition xDrive
2024 BMW M3 CS
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2025 BMW M4 CS
2023 BMW M4 CSL

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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