VAICO V20-0744 Coolant Flange

VAICO V20-0744 Coolant Flange

The VAICO V20-0744 Coolant Flange is a precision‑engineered component designed to replace or upgrade the coolant flange on BMW 3 Series models, particularly the E36 generation. It provides a reliable seal between the engine’s cooling system and the heat exchanger, ensuring optimal fluid flow and temperature regulation.

Key Design Features

• Exact Fitment: Engineered to match OEM specifications for BMW 3 Series (E36) models ranging from 1991‑1998. The flange dimensions, bolt pattern, and thread pitch are identical to the original part.
• High‑Quality Material: Made from durable cast aluminum alloy with a corrosion‑resistant coating. This construction resists rust, scale build‑up, and thermal fatigue over extended service life.
• Robust Seal Interface: Equipped with an integrated gasket surface that mates seamlessly with the heat exchanger’s mating flange. The design eliminates leaks even under high pressure and temperature conditions.
• Easy Installation: Features a standard bolt pattern compatible with existing mounting hardware, allowing for quick swap‑in without special tools or modifications.

Compatibility Overview

The V20-0744 flange is specifically tailored for the following BMW 3 Series variants:

• E36 Coupe (316i – M3)
• E36 Sedan (316i – M3)
• E36 Compact (316i – M3)
• E36 Touring (316i – M3)
• E36 Convertible (316i – M3)

It also fits engines with the following cylinder heads and block combinations:

• M40B16 / M43B16 (1.6L)
• M40B18 / M42B18 / M43B18 (1.8L)

Because of its exact OEM match, the flange is interchangeable with original parts bearing numbers such as 64118390697, 64111393330, and 1393330.

Installation Guide

1. Preparation: Drain the cooling system completely to avoid spills. Remove any existing flange or gasket material from the heat exchanger surface.
2. Positioning: Align the V20-0744 flange with the mounting holes on the heat exchanger. Ensure that the bolt pattern matches perfectly.
3. Bolt Tightening: Insert bolts through the flange and secure them to the heat exchanger. Tighten in a cross‑pattern sequence to distribute pressure evenly.
4. Reassembly: Refill the cooling system with the appropriate coolant mixture, then start the engine to check for leaks or abnormal temperatures.

Performance Benefits

• Improved Heat Transfer: The flush mating surface reduces turbulence and enhances coolant flow across the heat exchanger, maintaining lower engine operating temperatures.
• Leak Prevention: The high‑quality gasket interface eliminates micro‑leaks that can lead to overheating or coolant loss over time.
• Extended Component Life: By protecting the heat exchanger from corrosion and thermal shock, the flange contributes to a longer overall lifespan of the cooling system.

Maintenance Tips

• Inspect the flange and gasket surface annually for signs of wear or residue buildup.
• Replace the gasket material if any discoloration, cracking, or deformation is observed.
• Avoid using harsh chemicals that could degrade the aluminum alloy; use only approved coolant additives.

Why Choose VAICO V20-0744?

The VAICO V20-0744 Coolant Flange offers a blend of OEM fidelity, superior material quality, and straightforward installation. Whether you’re restoring an older BMW 3 Series or upgrading its cooling system for enhanced performance, this flange delivers reliable protection against leaks and overheating.

Conclusion

For owners and technicians seeking a dependable replacement or upgrade to the coolant flange on BMW E36 models, the VAICO V20-0744 Coolant Flange stands out as an optimal choice. Its precise fitment, durable construction, and proven performance make it an essential component for maintaining engine health and ensuring consistent cooling efficiency.