Part #: RA2973C

Universal Air RA2973C Radiator

Crossflow Radiator
34 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Crossflow Radiator
Fitment: BMW, Z4, 135i, 135is, 335i xDrive, and 1 Series M
Easy Returns — Return within 60 days for a full refund
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Overview of Universal Air Crossflow Radiator RA2973C

The Universal Air Crossflow Radiator RA2973C is designed specifically for select BMW models, including the 1 Series M, 135i, 135is, 335i xDrive, and Z4. This radiator provides reliable cooling performance tailored to the unique requirements of these vehicles.

  • Compatible with BMW 1 Series M, 135i, 135is, 335i xDrive, and Z4 models
  • Part number RA2973C for precise identification and fitment
  • Crossflow design enhances cooling efficiency and heat dissipation
  • Constructed to meet OEM specifications for durability and performance
  • Direct replacement radiator for effective engine temperature management

Detailed Product Description

The RA2973C radiator from Universal Air belongs to the Crossflow Radiator product line, which is engineered to optimize cooling by directing coolant flow horizontally across the radiator core. This design improves heat exchange efficiency, which is critical for maintaining optimal engine temperatures in performance-oriented BMW models such as the 1 Series M and 335i xDrive. The radiator is manufactured to meet strict quality standards, ensuring compatibility and reliable operation within the vehicle's cooling system.

Applications and Common Issues Addressed

  • Replaces faulty or leaking radiators in BMW 1 Series M, 135i, 135is, 335i xDrive, and Z4
  • Resolves engine overheating caused by inefficient cooling
  • Addresses coolant leaks that can lead to engine damage
  • Improves cooling system performance for vehicles with high mileage
  • Supports engine temperature regulation under demanding driving conditions

Installation Notes and Tips

  • Ensure compatibility by verifying the part number RA2973C before installation
  • Inspect and replace any worn hoses or clamps during radiator installation
  • Bleed the cooling system properly to avoid air pockets after installation
  • Use manufacturer-recommended coolant to maintain system integrity
  • Professional installation is advised for optimal fit and function

Quality Assurance and Warranty

The Universal Air Crossflow Radiator RA2973C is built to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure durability and performance. Buyers should consult product documentation or contact the manufacturer for warranty information related to this radiator.

This part fits 34 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
2016BMWZ4sDrive28i2.0LL4N/ACrossflow Radiator
2016BMWZ4sDrive35i3.0LL6N/ACrossflow Radiator
2016BMWZ4M Sport2.0LL4N/ACrossflow Radiator
2015BMWZ4sDrive35i3.0LL6N/ACrossflow Radiator
2015BMWZ4sDrive28i2.0LL4N/ACrossflow Radiator
2015BMWZ4M Sport2.0LL4N/ACrossflow Radiator
2014BMWZ4Design Pure Traction2.0LL4N/ACrossflow Radiator
2014BMWZ4M Sport2.0LL4N/ACrossflow Radiator
2014BMWZ4sDrive28i2.0LL4N/ACrossflow Radiator
2014BMWZ4sDrive18i2.0LL4N/ACrossflow Radiator
2013BMW135iN/ACrossflow Radiator
2013BMW135isN/ACrossflow Radiator
2013BMW335i xDrive2 DoorN/ACrossflow Radiator
2013BMWZ4sDrive28i2.0LL4N/ACrossflow Radiator
2013BMWZ4sDrive20i2.0LL4N/ACrossflow Radiator
2012BMW135iN/ACrossflow Radiator
2012BMW335i xDriveN/ACrossflow Radiator
2012BMWZ4N/ACrossflow Radiator
2011BMW1 Series MN/ACrossflow Radiator
2011BMW135iN/ACrossflow Radiator
2011BMW335i xDriveN/ACrossflow Radiator
2011BMWZ4sDrive35i3.0LL6N/ACrossflow Radiator
2011BMWZ4sDrive30i3.0LL6N/ACrossflow Radiator
2010BMW135iN/ACrossflow Radiator
2010BMW335i xDriveN/ACrossflow Radiator
2010BMWZ4sDrive30i3.0LL6N/ACrossflow Radiator
2010BMWZ4sDrive35i3.0LL6N/ACrossflow Radiator
2010BMWZ43.0si3.0LL6N/ACrossflow Radiator
2009BMW135iN/ACrossflow Radiator
2009BMW335i xDriveN/ACrossflow Radiator
2009BMWZ43.0si3.0LL6N/ACrossflow Radiator
2009BMWZ4sDrive35i3.0LL6N/ACrossflow Radiator
2009BMWZ4sDrive30i3.0LL6N/ACrossflow Radiator
2008BMW135iN/ACrossflow Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.