Blanking Plugs Adapter For BMW 1 Series 3 Series 5 Series 7 Series With Aluminum Thermostat Bungs

Keep your BMW diesel cooling system in top shape with the Adapter Blanking Plugs Cooler Thermostat Bungs Removal Kit (Model BOP40). This aluminum adapter plugs replacement kit is designed to replace faulty thermostat bungs and allow safe removal or bypass of thermostat components without tearing apart the cooling circuit. It’s engineered to fit BMW 1, 3, 5, and 7 Series across E90, E60, E61, and E83 platforms, with additional compatibility for X5 E70, X6 E71, and X3 E83. Specifically suitable for diesel engines (NOT PETROL), it aligns with OEM numbers 11717789999 and 11717804379 for a precise factory fit. Origin: Mainland China. Brand: NONE.

Crafted from durable aluminum, this lightweight component resists corrosion and helps prevent leaks during thermostat maintenance or replacement. By offering a reliable blanking solution, it supports smooth engine operation, maintains proper coolant flow, and reduces downtime when servicing the cooling system. This kit is particularly relevant for diesel BMWs using M47N2 and M57N2 engines, delivering a practical, cost-effective alternative to replacing larger components.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Benefits & Tips

• Use during thermostat maintenance on diesel BMWs (M47N2, M57N2) to seal the cooling system without disassembling other parts.
• Verify fitment against OEM numbers 11717789999 / 11717804379 and against listed BMW models (E46/E60/E61/E65/E83/E53, including E87, E90/E91/E92/E93, E70, E71).
• When installing, ensure clean mating surfaces and refer to your service manual for torque and sealing guidelines to prevent leaks.

Product specifications

• Material: Aluminum
• Model Number: BOP40
• Origin: Mainland China
• Application: Diesel BMW engines (NOT PETROL)
• Fitment (short version): For BMW E46, E60, E61, E65, E83, E53
• For BMW 3 Series E46 330d M57N (09/2002 - 08/2006)
• For BMW 5 Series E60 530d M57N (09/2002 - 09/2005)
• For BMW 7 Series E65 730d M57N (09/2002 - 02/2005)
• For BMW X3 E83 3.0d M57N (09/2002 - 02/2005)
• For BMW X5 E53 3.0d M57N (09/2002 - 09/2006)
• OEM numbers: 11717789999 / 11717804379
• Note: This item is for diesel vehicles only (NOT PETROL)

Package includes:

• 1 x Aluminum Thermostat Bungs Adapter (Model BOP40)

Warnings/Reminders

• Diesel engines only — NOT petrol.
• Ensure compatibility with your engine model and verify OEM numbers before installation.

Trust you’ve found a precise, purpose-built solution for your BMW diesel maintenance. At intercyprus.com since 2002 — trusted for quality and reliability.