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CSF Dual-Core Transmission Oil Cooler with Rock Guard - BMW G8X 2021-2026

CSF SKU: CSF8221
Price
5% OFF
In Stock – Ready to Ship
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CSF's dual-core transmission oil cooler replaces the factory ZF8 automatic cooler with two stacked 22mm cores built on CSF's AC condenser technology, using a 1-row super-high-pressure 16mm 9-channel microtube. Core and tank measure 555 x 191 x 44mm against the OEM 553 x 155 x 28mm, with 16 rows versus 14, raising fluid capacity about 94% (roughly 1700ml versus 875ml) and core and tank volume 194%. The dual-pass design reuses the OEM top and bottom rubber seals and quick-connect fittings for a drop-in fit, adds a replaceable rock guard, and works with the OEM cooling system or CSF's #8215 heat exchanger.

Specifications

Type Dual-core, dual-pass transmission oil cooler
Transmission ZF 8-speed automatic
Core Two stacked 22mm cores (44mm), 1-row 16mm 9-channel microtube
Dimensions 555 x 191 x 44mm (OEM 553 x 155 x 28mm)
Fluid Capacity Approx. 1700ml (OEM approx. 875ml)
Rock Guard Included, replaceable
Connections OEM-style quick connect
Pairs With CSF #8215 High-Performance Heat Exchanger
OEM Replacement 17-11-8-095-284, 17-11-5-A49-5B9
Quantity 1
Part Number 8221
Warranty 2-year limited (CSF)

This part fits:

Year Make Model Submodel
2023-2026 BMW M2 Base
2021-2026 BMW M3 Base
2021-2026 BMW M3 Competition
2022-2026 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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