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CSF

CSF 8131B Front-Mount Triple-Pass Heat Exchanger for BMW B58/B48/B46 - Black

Regular price
$695.00
Regular price
$749.00
Sale price
$695.00
Shipping calculated at checkout.

In Stock: 36

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Product Specification:

SKU:CSF8131B

MPN: 8131B

UPC: 71035308131B

Weight: 19.8 lb

Inventory: 36

Type: Radiators



Vehicle Fitment

  • 2015-2020 BMW F30/F31/F32/F33/F34/F36 B58/B48/B46 (320i, 330i, 340i, 420i, 430i, 440i, M240i)
  • 2015-2020 BMW F20/F21/F22/F23 B58/B48/B46 (M140i, 220i, 230i, 240i)
  • 2015-2020 BMW F30/F31/F34 GT B58/B48/B46 (320i GT, 330i GT, 340i GT)
  • 2015-2020 BMW F32/F33/F36 Gran Coupe B58/B48/B46 (420i GC, 430i GC, 440i GC)

Features

  • Industry-exclusive 68mm thick, 2-row core with CSF's B-Tube technology
  • Triple-pass flow design for optimal heat dissipation
  • Detachable rock guard to protect the core from debris
  • 100% TIG-welded construction for durability
  • CNC-machined brackets and fittings for precise fitment
  • Black semi-gloss finish for a stealthy appearance

Specifications

  • Core Thickness: 68mm (compared to OEM 27mm)
  • Core Type: 2-row bar-and-plate
  • Flow Design: Triple-pass
  • Construction: Aluminum with TIG-welded seams
  • Finish: Black semi-gloss
  • Included: Heat exchanger, rock guard, mounting hardware

Product Description

The CSF 8131B is a high-performance front-mount heat exchanger designed for BMW F-Chassis vehicles equipped with B58, B48, or B46 engines. Featuring an industry-exclusive 68mm thick, 2-row core with CSF's B-Tube technology, it offers superior heat dissipation compared to the OEM 27mm single-row unit. The triple-pass flow design ensures optimal cooling efficiency, making it ideal for performance applications.

Constructed with 100% TIG-welded seams and CNC-machined brackets and fittings, the CSF 8131B guarantees durability and precise fitment. The included detachable rock guard protects the core from road debris, while the black semi-gloss finish provides a stealthy appearance that complements your vehicle's aesthetics.

Whether you're upgrading your cooling system for track days or enhancing daily driving performance, the CSF 8131B delivers the reliability and efficiency you demand.

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