CSF All-Aluminum Radiator for BMW E9X 325i 328i 330i, E8X 128i, and 09–10 E89 Z4

Keep your BMW cool on street or track with CSF’s high-performance all-aluminum radiator. This true drop-in design uses OEM-style brackets and quick-connect hose fittings, delivering a major step up in heat rejection and durability while retaining factory fitment.

Highlights

• 2-row 42 mm dual core with CSF B-Tube technology for higher efficiency and strength
• Ultra-efficient multi-louvered fins with 6.5 mm fin height for maximum airflow and heat transfer
• CNC-machined quick-connect inlet and outlet for clean OEM-style hose connection
• CNC-machined brackets and fittings for precise fit and durability
• All-aluminum race style drain plug, smooth satin finish
• Drop-in fit, no modifications, accepts OEM quick-connect hoses, AC condenser, mounting brackets, and fan shroud

Why B-Tube Technology

• B-shaped tubes are seam-brazed and stronger than typical O-type tubes
• Allows thinner, lighter aluminum without sacrificing strength
• About 15 percent more tube surface area for improved heat transfer
• Dual liquid laminar flow design for efficient cooling under sustained load

Fitment

• BMW E82/E88 128i 2008–2013, 3.0L L6
• BMW E9X 325i 2006, 3.0L L6
• BMW E9X 325xi 2006, 3.0L L6
• BMW E9X 328i 2007–2013, 3.0L L6
• BMW E9X 328i xDrive 2009–2013, 3.0L L6
• BMW E9X 328xi 2007–2008, 3.0L L6
• BMW E9X 330i 2006, 3.0L L6
• BMW E9X 330xi 2006, 3.0L L6
• BMW E89 Z4 sDrive30i 2009–2010, 3.0L L6

Technical Details

• Core: 2-row, 42 mm dual core with B-Tube technology
• Fins: Multi-louvered, 6.5 mm fin height
• Connections: CNC-machined quick-connect, OE style
• Finish: Smooth satin

In the Box

• CSF all-aluminum radiator assembly
• Race style drain plug

OEM Reference Numbers

• BMW 17117559273
• BMW 17117562079

SKU

7001

Warranty

2 years