Adaptor Fitting Plugs for Thermostat Bungs for BMW E46 Aluminum Single Billet CNC Machined
The BMW E46 Adaptor Fitting Plugs for Thermostat Bungs in aluminum is a precision-engineered upgrade designed to optimize air handling in diesel BMW engines. CNC machined from a single aluminum billet and finished in silver, this adaptor is built to endure under demanding conditions while delivering a cleaner, more efficient inlet system. It’s specifically recommended for diesel variants across popular BMW lineups and is designed to fit a broad range of models with proven compatibility for the E46 family and beyond.
Designed for diesel BMWs, this adaptor is not suitable for petrol engines. It replaces faulty components rather than the entire assembly, offering a targeted, cost-effective solution to reduce inlet air temperatures and improve throttle response. While it’s a DIY-friendly concept, professional installation is highly recommended as there are no installation guides included. This product is CE certified and sold with a two-year warranty, aligning with InterCyprus’ commitment to reliability and safety.
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Benefits & Tips
- Cooler inlet air can sharpen throttle response and help your diesel BMW respond more crisply to acceleration.
- Broad compatibility with multiple BMW models (including 1, 3, 5, 7 Series, X3, X5, X6) makes this a versatile upgrade for engines using the M47, M57, M47N2, M67, and related diesel codes.
- Use as a targeted replacement for faulty thermostat bungs, avoiding the cost and downtime of replacing larger assemblies.
Tips: Confirm your exact engine code (e.g., M47/M57 family) and diesel-only specification before purchasing. No installation instructions are included—arrange professional installation to ensure proper fit and seal integrity. All electronic and mechanical equipment sold by InterCyprus to EU countries is CE certified and carries a two-year warranty.
Product specifications
- Material: Aluminum
- Color: Silver
- Model Number: BOP40
- Compatibility: Diesel BMW engines and models including E87 (1 Series), E90/E91/E92/E93 (3 Series), E60/E60N/E61 (5 Series), E65/E66 (7 Series), X5 E70, X6 E71, X3 E83/E83N; includes engine codes M47, M47N, M57, M47N2, M67, M47R
- Fitment: Fits BMW 1 Series E87; 3 Series E90/E91/E92/E93; 5 Series E60/E60N/E61; 7 Series E65/E66; X5 E70; X6 E71; X3 E83/E83N
- Origin: Mainland China
- Application: Diesel engines (NOT PETROL)
Package includes:
- Aluminum adaptor fitting plug for BMW thermostat bung
Warnings / Reminders
- Designed for diesel BMW engines only; not suitable for petrol variants.
- No installation instructions are provided; professional installation is highly recommended.
- Ensure engine code and model compatibility before purchasing.
- All electronic and mechanical equipment sold by InterCyprus to EU countries are CE certified and carry a two-year warranty.