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CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module CSF CSF8331
CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module CSF CSF8331
CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module CSF CSF8331
CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module CSF CSF8331
CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module CSF CSF8331
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CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module

CSF
CSF8331
710353083314
Transmission Coolers
Out of stock
$ 1,339.00 $ 1,289.00
FREE Ground Shipping!

SKU: 8331 | UPC: 710353083314

CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module 2020-2025

Replace the factory cooling module on your 2020-2025 BMW X3M/X4M with CSF's 8331 high-performance heat exchanger and transmission cooler. This all-aluminum unit delivers increased cooling capacity for charge air and transmission fluid during demanding drives. Direct bolt-on design ensures easy upgrade while protecting vital components from heat soak on street or track.

Key Features

  • 42mm 2-Row Heat Exchanger Core: Doubles OEM 27mm thickness for 50% more cooling surface area and faster heat dissipation from turbo charge air
  • High-Capacity Transmission Cooler: Bar-and-plate design with 140% greater volume and 6mm multi-louvered fins pulls more heat from ZF 8HP transmission fluid
  • Integrated Rock Guard: Heavy-duty aluminum shield protects front-mounted transmission cooler from road debris passing through the grille for long-term durability
  • CNC-Machined Fittings: Precision-machined aluminum inlets/outlets match OEM connections for leak-free installation and maximum flow
  • Lightweight All-Aluminum Construction: 18.5 lbs unit sheds weight versus stock while resisting corrosion in harsh conditions

Product Notes

  • Direct replacement for OEM part number 17428758149 with no modifications required
  • Black powder-coated finish resists road salt and brake dust buildup
  • Ships fully assembled with all brackets and hardware included

Installation Notes

  • Professional installation recommended.
  • Bolt-on fit using factory mounting points, 1-2 hours with basic tools
  • Compatible with OEM shrouds and fans, no cutting or trimming needed

This Part Fits

Year Make Model Submodel
2020-2024 BMW X3 M
2020-2022 BMW X3 M Competition
2020-2025 BMW X4 M
2020-2022 BMW X4 M Competition

Why Choose CSF?

  • Over 75 years in OE-level cooling for BMW motorsport applications
  • U.S.-made with race-proven designs from GT3 and IMSA teams
  • Exact-fit engineering from factory scans for seamless integration

Frequently Asked Questions

  • Q: Will this fit both X3M and X4M Competition models?
    A: Yes, direct fit for 2020-2022 BMW X3M/X4M Competition and 2020-2024 X3M/2020-2025 X4M with S58 engine and F97/F98 chassis
  • Q: What materials are used in construction?
    A: Full 6061/6063 aluminum with brazed cores, CNC fittings, and TIG-welded assembly for strength and heat transfer
  • Q: What warranty coverage is provided?
    A: Lifetime limited warranty against manufacturing defects when installed properly by certified technician

Shipping & Handling

  • Method: UPS or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure custom box 42" x 22" x 6"
  • Weight: 18.5 lbs

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