Four Seasons 75315 Engine Cooling Fan Assembly

Radiator Fan Assembly for BMW Cooling

Four Seasons 75315 is an engine cooling fan assembly built for OE mount applications and 12-volt operation. It is a radiator fan assembly for select BMW 535i, 535i xDrive, and 535xi models, with a black plastic-and-metal construction and a single 3-pin male connector.

Key Features

• Engine cooling fan assembly with one fan
• OE mount style for direct-fit replacement use
• 12-volt motor assembly
• Black plastic / metal construction with plastic shroud
• Single connector, 3-pin male terminal
• Four Seasons part number 75315

Product Details

Four Seasons Radiator Fan Assy. 75315 is engineered and tested for dependable operation in the cooling system. The fan assembly measures 19.56 inches in height and uses a plastic shroud with a plastic/metal build for radiator airflow management. Four Seasons draws on more than 50 years of mobile A/C experience, and this product line focuses on replacement parts that match OE mounting and electrical requirements for straightforward service.

This part cross-references BMW applications using 850320 and 17427560966 for the same application.

Vehicle Fitment

• Fits 2008-2009 BMW 535i, N/A
• Fits 2009 BMW 535i xDrive, N/A
• Fits 2008 BMW 535xi, N/A

What It Helps Address

• Overheating caused by a failed radiator fan motor assembly
• Weak or inconsistent radiator airflow at idle or low speed
• Cooling fan noise from worn internal motor components
• Electrical faults related to a damaged 3-pin fan connector
• Cooling system performance loss on BMW 535i, 535i xDrive, and 535xi models

Installation Notes and Tips

Verify OE mount alignment, connector style, and available clearance before installation. Confirm the vehicle uses a 12-volt radiator fan assembly with a single 3-pin male terminal and compare the existing fan shroud and mounting points to the replacement unit. Four Seasons 75315 is supplied without mounting hardware.

Quality Assurance

Four Seasons states that its products are engineered and tested to provide years of trouble-free operation. This radiator fan assembly is backed by the brand’s long-standing mobile A/C and thermal management experience.