Aluminum Cooling Thermostat Plug Kit for BMW 1 3 5 7 Series
Ditch the expensive dealership bills and fix cooling leaks fast with this aluminum thermostat plug kit. It replaces worn or cracking factory bungs without requiring a full radiator replacement.
You will get immediate peace of mind when you restore these critical coolant seals. The solid metal construction tolerates repeated heat cycles far better than aging plastic components. Your engine stays properly regulated and reliable under heavy driving conditions.
Benefits & Tips
- Direct replacement design: Mounts directly over existing plumbing lines to stop drips quickly.
- Heat resistant build: Withstands constant thermal stress without warping or losing grip.
- Budget friendly repair: Swap just the failed bung instead of buying a complete cooling assembly.
- Simple installation: Use standard hand tools to complete the job in minutes.
Pro tip: Lightly degrease the mounting contact surfaces before fitting. This ensures a tight seal and prevents future seepage around the connector.
Compatible Models
This adapter set matches several proven BMW generations. It functions correctly on the 1 series E87, 3 series E90 E91 E92 E93, and 5 series E60 E61. You will also find it a perfect fit for 7 series E65 E66, X3 E83, X5 E70, and X6 E71 vehicles.
Product Specifications
- Material: Precision cast aluminum alloy.
- Model Number: BOP40 adaptor plug kit.
- Purpose: Regulates coolant flow through dedicated thermostat bypass points.
- Manufacturing Origin: Mainland China production facility.
Package includes:
- Cooling bungs: Set of aluminum adaptor plugs matched to original BMW thread geometry.
Reminders
- Verify your chassis code: Confirm your exact BMW model generation before ordering.
- Maintain system pressure: Fill and bleed the cooling circuit thoroughly after installation to avoid air pockets.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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