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BMW >> 3 Series >> E46 >> 2.5 Litre 6 Cyl M54 B25 DOHC 24v >> 10/2001 - 01/2004 4 Door Sedan >> Mackay Engine Bypass Coolant Hose for BMW 3 Series E46

Mackay Engine Bypass Coolant Hose for BMW 3 Series E46 Fits BMW 3 Series E46 Sedan [10/2001 to 01/2004] (2.5L M54 B25 6 Cyl DOHC VVT MPFI)

Part
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Mackay Engine Bypass Coolant Hose for BMW 3 Series E46

Fitment Information:

Bottom Of Expansion Tank To Water Pipe

$51.48

Specifications
Material: High-Quality Tough Rubber / EPDM
Inside Diameter 1: 16mm
Inside Diameter 2: 21mm
Hose Length: 545mm
Fitting Position: Engine Bay
Primary Compatibility: BMW 3 Series E46 (e.g., 320i, 323i 2.5L I6 Petrol)

Tick This part will fit the following Vehicles:

BMW 3 Series E46 (2.5 Litre 6 Cyl M54 B25 DOHC 24v):
  • RWD Wagon 4 Door [01/2000 to 08/2001] 141KW With Auto Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Convertible 2 Door [02/2000 to 03/2003] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Coupe 2 Door [10/2000 to 12/2002] 141KW With Auto, Manual or Automated Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Sedan 4 Door [10/2000 to 12/2001] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Wagon 4 Door [05/2001 to 06/2005] 141KW With Auto Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Sedan 4 Door [10/2001 to 01/2004] 141KW With Auto Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Sedan 4 Door [10/2001 to 01/2004] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Convertible 2 Door [10/2002 to 08/2006] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • RWD Coupe 2 Door [03/2003 to 09/2006] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe
  • Compact RWD Hatchback 2 Door [10/2000 to 12/2004] 141KW With Auto or Manual Transmission With: Bottom Of Expansion Tank To Water Pipe

Description

Mackay Engine Bypass Coolant Hose for BMW 3 Series E46

Ensure your BMW 3 Series E46’s cooling system performs at its best with the Mackay Engine Bypass / Coolant Expansion Tank Hose (Product Code: CH4523). Crafted by Mackay, a trusted Australian brand with over 85 years of automotive excellence, this premium replacement hose guarantees durability, precision fitment, and reliable heat resistance.

Key Features:

  • Premium Quality Construction: Made from high-quality tough rubber and EPDM, this hose offers superior resistance to extreme temperatures and electrochemical wear, ensuring long-lasting performance under demanding engine conditions.
  • OE Standard Certified: Engineered and manufactured in Australia to meet or exceed original equipment standards, providing a perfect, direct fit for your BMW E46 without modifications.
  • Exact Fitment for BMW 3 Series E46: Compatible with:
  • 2.9L Radiator to Water Pump
  • 3.0L Bottom of Expansion Tank to Water Pipe
  • Precision Specifications:
  • Inside Diameter 1: 16mm
  • Inside Diameter 2: 21mm
  • Hose Length: 545mm
  • Fitting Position: Engine Bay

Why Choose Mackay?

With a rich heritage dating back to 1937, Mackay has been at the forefront of Australian automotive manufacturing — from pioneering rubber-to-metal bonding to supplying parts for iconic vehicles like the FX Holden. Mackay products are globally recognized for their commitment to uncompromised quality and passion for excellence, making them the ideal choice for your BMW’s cooling system needs.

Restore and Maintain Your BMW's Cooling Efficiency

Don’t compromise on your vehicle’s reliability. Replace your worn or damaged engine bypass coolant hose with the Mackay CH4523 for a durable, high-performance solution engineered specifically for your BMW 3 Series E46.

Choose Mackay – Quality you can trust to keep your engine cool and running smoothly.

Order now and experience the difference of premium Australian engineering!