Four Seasons 64166 A/C Evaporator Core - Front
OE Quality 60-Day Returns
Four Seasons
 Evaporator Core

Four Seasons 64166 A/C Evaporator Core - Front

Brand Four Seasons 64166
Position Front
O-Rings Included Included
Inlet Fitting Gender Male
Outlet Fitting Gender Male
Core Depth Fraction 2
Core Depth MM 50
Core Height Fraction 9-9/16
Core Height MM 243
Core Width Fraction 11-13/16
Core Width MM 300
Description Evaporator cores
Type Parallel
Product line Evaporator Core
Fits BMW · 87 vehicles

OE-style replacement. Parallel evaporator core for straightforward HVAC service.

O-rings included. Ready for a cleaner, more complete installation.

Backed by over 50 years of mobile A/C experience.

Cross-references Continental 64166, Nissens 92858 and 64115B3A5E0 for the same application. See all 6.

$92.67Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $92.67
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all A/C Evaporator Core options

BMW A/C Evaporator Core 64166

Four Seasons 64166 is an A/C evaporator core for select BMW applications, including BMW X5, X6, X7, 840i, M8, and related models. Built as a parallel-type evaporator core with male inlet and outlet fittings, it is sized for direct replacement service in the HVAC system.

The Four Seasons Evaporator Core line focuses on dependable mobile A/C performance, drawing on more than 50 years of HVAC experience and product testing for consistent operation. This evaporator core includes O-rings and is built to match the listed fitment and dimensions for service work on BMW climate control systems.

  • Part number: 64166
  • Four Seasons Evaporator Core product line
  • Parallel-type evaporator core construction
  • Male inlet fitting and male outlet fitting
  • O-rings included
  • Core dimensions: 300 mm wide, 243 mm high, 50 mm deep
  • Cross-reference: Continental 64166

Detailed Product Information

Four Seasons 64166 is an HVAC evaporator core used in the air conditioning system to transfer heat and support cold air delivery through the cabin vents. It is listed for a wide range of BMW vehicles, including 2019-2025 BMW X5, 2020-2025 BMW X6, 2022-2025 BMW X7, 2020-2025 BMW 840i, 2020-2025 BMW M850i xDrive, and 2018-2023 BMW M5. Additional fitment includes 2023 BMW 530e, 530i, 540i, and M550i xDrive applications. The part number 64166 is also cross-referenced by Nissens 92858.

What This Evaporator Core Helps Address

  • Weak or inconsistent cabin cooling
  • Refrigerant leakage at the evaporator core
  • Restricted A/C heat transfer inside the HVAC case
  • Loss of cold air performance in BMW climate control systems
  • Service replacement for a worn or damaged evaporator core

Installation Notes and Tips

Verify the vehicle’s HVAC configuration before ordering, especially on 2019-2021 BMW X7 models with five-zone climate control exclusions noted in the fitment data. Confirm the core dimensions, male fitting orientation, and application match the original unit before installation. Proper evacuation, leak checking, and system recharge are required after evaporator replacement.

Quality Assurance

Four Seasons engineers and tests its mobile A/C products for long service life and consistent operation. Backed by more than 50 years of mobile air conditioning experience, the brand positions this evaporator core as a direct-fit service part for BMW HVAC repair.

Related reading

This part fits 87 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2025BMW840i———N/AEvaporator Core
2025BMW840i Gran Coupe———N/AEvaporator Core
2025BMW840i xDrive———N/AEvaporator Core
2025BMW840i xDrive Gran Coupe———N/AEvaporator Core
2025BMWAlpina B8 Gran Coupe———N/AEvaporator Core
2025BMWAlpina XB7———FrontEvaporator Core
2025BMWM8———N/AEvaporator Core
2025BMWM8 Gran Coupe———N/AEvaporator Core
2025BMWM850i xDrive———N/AEvaporator Core
2025BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2025BMWX5———N/AEvaporator Core
2025BMWX6———N/AEvaporator Core
2025BMWX7———N/AEvaporator Core
2024BMW840i———N/AEvaporator Core
2024BMW840i Gran Coupe———N/AEvaporator Core
2024BMW840i xDrive———N/AEvaporator Core
2024BMW840i xDrive Gran Coupe———N/AEvaporator Core
2024BMWAlpina B8 Gran Coupe———N/AEvaporator Core
2024BMWAlpina XB7———FrontEvaporator Core
2024BMWM8———N/AEvaporator Core
2024BMWM8 Gran Coupe———N/AEvaporator Core
2024BMWM850i xDrive———N/AEvaporator Core
2024BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2024BMWX5———N/AEvaporator Core
2024BMWX6———N/AEvaporator Core
2024BMWX7———N/AEvaporator Core
2023BMW530e———N/AEvaporator Core
2023BMW530e xDrive———N/AEvaporator Core
2023BMW530i———N/AEvaporator Core
2023BMW530i xDrive———N/AEvaporator Core
2023BMW540i———N/AEvaporator Core
2023BMW540i xDrive———N/AEvaporator Core
2023BMW840i———N/AEvaporator Core
2023BMW840i Gran Coupe———N/AEvaporator Core
2023BMW840i xDrive———N/AEvaporator Core
2023BMW840i xDrive Gran Coupe———N/AEvaporator Core
2023BMWAlpina B8 Gran Coupe———N/AEvaporator Core
2023BMWAlpina XB7———FrontEvaporator Core
2023BMWM5———N/AEvaporator Core
2023BMWM550i xDrive———N/AEvaporator Core
2023BMWM8———N/AEvaporator Core
2023BMWM8 Gran Coupe———N/AEvaporator Core
2023BMWM850i xDrive———N/AEvaporator Core
2023BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2023BMWX54.4LV8—N/AEvaporator Core
2023BMWX6———N/AEvaporator Core
2023BMWX7———N/AEvaporator Core
2022BMW840i———N/AEvaporator Core
2022BMW840i Gran Coupe———N/AEvaporator Core
2022BMW840i xDrive———N/AEvaporator Core
2022BMW840i xDrive Gran Coupe———N/AEvaporator Core
2022BMWAlpina B8 Gran Coupe———N/AEvaporator Core
2022BMWM5———N/AEvaporator Core
2022BMWM8———N/AEvaporator Core
2022BMWM8 Gran Coupe———N/AEvaporator Core
2022BMWM850i xDrive———N/AEvaporator Core
2022BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2022BMWX5———N/AEvaporator Core
2022BMWX6———N/AEvaporator Core
2022BMWX7———N/AEvaporator Core
2021BMW840i———N/AEvaporator Core
2021BMW840i Gran Coupe———N/AEvaporator Core
2021BMW840i xDrive———N/AEvaporator Core
2021BMW840i xDrive Gran Coupe———N/AEvaporator Core
2021BMWM5———N/AEvaporator Core
2021BMWM8 Gran Coupe———N/AEvaporator Core
2021BMWM850i xDrive———N/AEvaporator Core
2021BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2021BMWX53.0LL6GASN/AEvaporator Core
2021BMWX6———N/AEvaporator Core
2021BMWX7———N/Aw/o Five Zone Climate Control; Evaporator Core
2020BMW840i———N/AEvaporator Core
2020BMW840i Gran Coupe———N/AEvaporator Core
2020BMW840i xDrive———N/AEvaporator Core
2020BMW840i xDrive Gran Coupe———N/AEvaporator Core
2020BMWM5———N/AEvaporator Core
2020BMWM8———N/AEvaporator Core
2020BMWM8 Gran Coupe———N/AEvaporator Core
2020BMWM850i xDrive———N/AEvaporator Core
2020BMWM850i xDrive Gran Coupe———N/AEvaporator Core
2020BMWX5———N/AEvaporator Core
2020BMWX6———N/AEvaporator Core
2020BMWX7———N/Aw/o Five Zone Climate Control; Evaporator Core
2019BMWM5———N/AEvaporator Core
2019BMWX5———N/AEvaporator Core
2019BMWX7———N/Aw/o Five Zone Climate Control; Evaporator Core
2018BMWM5———N/AEvaporator Core
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 64166Nissens — 9285864115B3A5E02892196411937810864119496922