Cooling Adapter Bungs Kit Aluminum for BMW E90 E60 E61 E83
Restore precise coolant routing and eliminate external leaks on E90, E60, E61, and E83 BMW platforms by replacing degraded polymer or cracked outlet seals with these machined aluminum adapter bungs. Designed as a direct interchange for factory thermostat housing blanking plugs, they block unused passages, stabilize thermal expansion cycles, and completely remove the need to swap expensive complete cooling assemblies or thermostat units.
Benefits & Installation Tips
- Maintain optimal engine temperature management by sealing bypass lines on M47N2 and M57N2 diesel configurations.
- Clean the mounting flange thoroughly before fitting, as residual old gasket material can cause uneven seating.
- Torque fasteners to manufacturer specifications; aluminum inserts require careful hand-tightening to prevent cross-threading into aging plastic housings.
Technical Specifications
- Construction: Solid CNC aluminum alloy
- Surface Treatment: Black anodized or natural silver finish
- Compatibility Range: BMW 1 (E87), 3 (E90/E91/E92/E93), 5 (E60/E61), 7 (E65/E66), X3 (E83), X5 (E53/E70), X6 (E71)
- Model Years Covered: 2002–2010 productions including 118d/120d, 318d/320d/325d/330d, 520d/525d/530d/535d, and 730d/730Ld variants
- Cross-Reference: BOP40
Package includes:
- Aluminum cooling adapter blanking plugs
- Stainless steel locking nuts and copper crush washers
- Step-by-step fitting guide for E-Series cooling circuits
Important Reminders
Never open a pressurized hot cooling system. Allow the engine to cool completely and drain excess fluid before disconnecting hoses. Regularly inspect nearby sensor rings and hose clamps for fatigue, ensuring all replacement connections remain secure during seasonal temperature shifts. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Providing precise engineering and dependable fulfillment through intercyprus.com since 2002.