Aluminum Adaptor Plugs for BMW E46 Thermostat Bungs
Main description
Engineered for diesel BMWs, the Aluminum Adaptor Plugs for BMW E46 Thermostat Bungs offer a precise, robust solution when replacing thermostat bungs. CNC machined from a single aluminum billet, this adaptor delivers a reliable, corrosion-resistant connection that fits neatly into the engine bay. Its aluminum construction helps manage inlet air temperatures, contributing to more stable performance and helping to prevent inlet and turbo clogging. Designed to match the primal car’s specifications, it’s a purpose-built upgrade for select diesel models across the BMW lineup.
Key compatibility spans BMW 1, 3, 5 and 7 Series, along with X3, X5 and X6 variants. The adaptor is intended for diesel engines only (NOT PETROL) and is suitable for the specific E-series applications and engine codes listed below. Replacing faulty parts like thermostat bungs with this adaptor can help maintain proper airflow and engine efficiency without replacing the entire assembly.
Brand and model details are provided to help confirm fitment: Brand Name NONE, Model Number BOP40. Origin: Mainland China. This item is designed to fit a broad range of diesel BMW engines and models, including but not limited to the engines and codes specified in the fitment list. Replace faulty parts instead of the entire equipment for a targeted, cost-effective upgrade.
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Benefits & Tips
- Protects intake and turbo pathways by maintaining cleaner airflow, helping to sustain performance and reduce clogging risks during operation.
- Useful as a targeted upgrade when servicing thermostat bungs on diesel BMWs, offering a precise fit for a wide range of E46-era engines.
- Professional installation is highly recommended; while DIY is possible, precise alignment and sealing are critical for performance and reliability.
Product specifications
- Brand Name: NONE
- Model Number: BOP40
- Material: Aluminum
- Color: Silver
- Origin: Mainland China
- Specifications: CNC Machined from a single aluminum billet
- Fitment: Suitable for BMW 1 Series E87; BMW 3 Series E90/E91/E91N/E92/E93; BMW 5 Series E60/E60N/E61; BMW 7 Series E65/E66; BMW X5 E70; BMW X6 E71; BMW X3 E83/E83N
- Application: To fit the following Engine Codes (found on a sticker on the Cam Belt Cover or in the Boot):BMW engines M47, M47N, M57, M47N2, M67, M47R; 3 series E46 318d (2001-2005), 318td (2002-2004), 320d (1997-2005), 320cd (2003-2006), 320td (2000-2004), 330d (1998-2003), 330xd (2000-2003); 5 series E39 520d (1999-2003), 525d (1999-2003), 530d (1997-2003); X5 E53 3.0d (2000-2003); X3 E83 2.0d (2003-2006); E38 7 Series 730d (1997-2001), 740d (1998-2001); E65 7 Series 740d (2001-2005). This item is for diesel vehicles only NOT PETROL.
- Notes: No installation instructions are included; DIY installation is possible but professional installation is highly recommended.
Warnings / reminders
- This item is for diesel vehicles only NOT PETROL.
- No installation guidance is provided; professional installation is highly recommended if you are not experienced with BMW engine work.
- All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Providing quality and trusted service since 2002 at intercyprus.com.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.