Dayco 72703 Modular Coolant Hose – Lower E46 3 Series

Description

Dayco 72703 Modular Coolant Hose – Lower E46 3 Series

The Dayco 72703 Modular Coolant Hose is a heavy-duty direct replacement lower radiator coolant hose designed to deliver consistent coolant flow and long service life in BMW E46 3 Series models. This Dayco 72703 modular coolant hose is engineered as a perfect OE-style match for the 1999-2006 3 Series platform.

Key Features of the 72703 Modular Coolant Hose
• Premium EPDM rubber with knitted reinforcement for superior burst strength and flexibility
• Precision-molded curved/branched design with quick-connectors for exact OE routing
• Resistant to electrochemical degradation, ozone, and extreme temperatures while meeting or exceeding OE specifications

This high-quality lower radiator hose helps maintain proper engine temperature, prevents leaks and overheating, and ensures efficient cooling performance even under daily driving and high-mileage conditions. Whether you’re repairing a daily driver or maintaining a 1999-2006 BMW 3 Series, the Dayco 72703 Modular Coolant Hose delivers dependable cooling system performance that lasts.

Complete Vehicle Fitment (1999–2006)
This Dayco 72703 Modular Coolant Hose fits the following vehicles:
– BMW 320i: 2001–2005
– BMW 323Ci: 2000
– BMW 323i: 1999–2000
– BMW 325Ci: 2001–2006
– BMW 325i: 2001–2005
– BMW 325xi: 2001–2005
– BMW 328Ci: 2000
– BMW 328i: 1999–2000
– BMW 330Ci: 2001–2006
– BMW 330i: 2001–2005
– BMW 330xi: 2001–2005

Pro Tip: Always double-check fitment using your VIN or by comparing the old radiator hose’s length and shape before ordering to ensure perfect compatibility.

Common Questions This Modular Coolant Hose Answers
• What vehicles does the Dayco 72703 fit? → BMW 320i, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, and 330xi (1999–2006)
• Is the Dayco 72703 the lower radiator hose? → Yes — it’s the direct replacement lower radiator coolant hose with quick-connectors
• Is this the best replacement modular coolant hose for E46 3 Series? → Yes — it’s a heavy-duty OE-style match built for durability, precise fit, and reliable cooling performance