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Csf

Csf

CSF Heat Exchangers 8131B Radiator, BMW B58/B48 Front Mount Exchanger w/ rock guard (BLACK) (Triple-pass)

SKU: CSF8131B

Radiators
Csf

Csf

CSF Heat Exchangers 8131B Radiator, BMW B58/B48 Front Mount Exchanger w/ rock guard (BLACK) (Triple-pass)

SKU: CSF8131B

Radiators
A$1,262.63
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Description

The original OEM B58 heat exchanger is a 1-row unit that is 27mm thick. In comparison, CSF has used its industry-exclusive world's largest 2-row core (68mm) with CSF's B-Tube technology. A unique tank design allows the larger CSF core to still fit into the OEM cooling system housing. Another critical feature of the CSF BMW B58 high-performance heat exchanger is its unique triple-pass flow design. The water traveling through the upgraded heat exchanger flows through the radiator three times before exiting the cooler and flowing back into the manifold charge cooler. This ensures that the outlet water temperature of the heat exchanger is the absolute lowest it can be. The OEM design, as well as more expensive aftermarket designs, all have single-pass flow structures.

Product Overview

The original OEM B58 heat exchanger is a 1-row unit that is 27mm thick. In comparison, CSF has used its industry-exclusive world's largest 2-row core (68mm) with CSF's B-Tube technology. A unique tank design allows the larger CSF core to still fit into the OEM cooling system housing. Another critical feature of the CSF BMW B58 high-performance heat exchanger is its unique triple-pass flow design. The water traveling through the upgraded heat exchanger flows through the radiator three times before exiting the cooler and flowing back into the manifold charge cooler. This ensures that the outlet water temperature of the heat exchanger is the absolute lowest it can be. The OEM design, as well as more expensive aftermarket designs, all have single-pass flow structures.


Features and Benefits

  • Core Size: 524mm Length x 478mm Height x 69mm Wide
  • Replaces OEM Part Number: 17118741830
  • 68mm 2-Row Core with CSF's B-Tube Technology (World's Largest 2-Row Core)
  • 6.5mm Multi-Louvered Fin Height
  • Triple-Pass Flow Design
  • Included Detachable Rock Guard
  • OEM CNC Machined Mounting Location Pins and Brackets
  • Direct Plug-and-Play Design, Including CNC Machined "Quick Connect" Inlet/Outlet Water Fittings
  • No Modifications Needed to Install
  • Semi-Gloss Black Finish

Product Details

ADD-ON:8300C
Core Material:Aluminum
Description:CSF BMW B58/B48 Front Mount Triple-Pass Heat Exchanger w/Rock Guard - Black
Finish/Color:Black
Grade Type:Performance
Installation Type:Drop-In Fit Installation
Part Number:csf8131B
Prop 65 Yes/No:No
Title:BMW F3X/F2X B58/B48 Triple-Pass Heat Exchanger w/ Rock Guard - Black

Part Type

Turbocharger Heat Exchanger

Data: v4.2 - Upd: 2026-10-01 02:14:30

Features

  • 6.5mm Multi-Louvered Fin Height
  • 68mm 2-Row Core with CSF's B-Tube Technology (World's Largest 2-Row Core)
  • Core Size: 524mm Length x 478mm Height x 69mm Wide
  • Direct Plug-and-Play Design, Including CNC Machined "Quick Connect" Inlet/Outlet Water Fittings
  • Included Detachable Rock Guard
  • No Modifications Needed to Install
  • OEM CNC Machined Mounting Location Pins and Brackets
  • Replaces OEM Part Number: 17118741830
  • Semi-Gloss Black Finish
  • Triple-Pass Flow Design

Specifications

Product Attributes - Brand
CSF Radiator
Product Attributes - Manufacturer's Part Number
8131B
Product Attributes - Part Type
Radiators
Product Attributes - Product Line
CSF Heat Exchangers
Product Attributes - UPC
00710353081310
Product Attributes - Radiator Material
Aluminum
Product Attributes - Radiator Style
Crossflow
Product Attributes - Transmission Cooler
No
Product Attributes - Inlet Location
Upper driver side
Product Attributes - Outlet Location
Lower passenger side
Product Attributes - Row Quantity
2
Product Attributes - Radiator Finish
Black
Product Attributes - Core Thickness (in.)
1.65 in.
Product Attributes - Trans Cooler Adapter Fittings Included
No
Product Attributes - Fan Included
No
Product Attributes - Radiator Cap Included
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Csf
StreetFX SKU csf8131B
SFX Item ID 4963162
Supplier Item Code 4963162
Manufacturer SKU 8131B
Manufacturer UPC N/A
Alternative References 71035308131B, B58/B48

Compatibility

Application Data
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2021
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model230I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2021
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model230I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainAWD
    Ending Year2021
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model230I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L4 PLUG-IN HYBRID EV-GAS (PHEV)
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330E
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2017
    Engine FamilyBMW L4 PLUG-IN HYBRID EV-GAS (PHEV)
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330E
    RegionUSA
    SubmodelIPERFORMANCE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainAWD
    Ending Year2018
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330I GT XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainAWD
    Ending Year2019
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model330I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    CID183
    DrivetrainRWD
    Ending Year2016
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/183
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    CID183
    DrivetrainRWD
    Ending Year2016
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/183
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainAWD
    Ending Year2019
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I GT XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    DrivetrainAWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2016
    CC2998
    DrivetrainAWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model340I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2020
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model430I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainRWD
    Ending Year2020
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model430I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainAWD
    Ending Year2020
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model430I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC1998
    CID122
    DrivetrainAWD
    Ending Year2020
    Engine FamilyBMW L4 GAS
    Engine Size2.0L/122
    Engine TypeL4
    Liter2.0
    MakeBMW
    Model430I XDRIVE GRAN COUPE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainRWD
    Ending Year2019
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainRWD
    Ending Year2020
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainRWD
    Ending Year2020
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I GRAN COUPE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainAWD
    Ending Year2019
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainAWD
    Ending Year2020
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainAWD
    Ending Year2020
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    Model440I XDRIVE GRAN COUPE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainRWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2019
    CC2998
    DrivetrainRWD
    Ending Year2021
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2019
    CC2998
    DrivetrainRWD
    Ending Year2021
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I
    RegionUSA
    SubmodelBASE
    TransmissionManual
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2017
    CC2998
    DrivetrainAWD
    Ending Year2018
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic
  • Application NotesTurbocharged; CSF #8131B is a drop-in fit performance Turbocharger Heat Exchanger with a black finish
    Beginning Year2019
    CC2998
    DrivetrainAWD
    Ending Year2021
    Engine FamilyBMW L6 GAS
    Engine Size3.0L/2998cc
    Engine TypeL6
    Liter3.0
    MakeBMW
    ModelM240I XDRIVE
    RegionUSA
    SubmodelBASE
    TransmissionAutomatic

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