Adaptor Fitting Plugs Premium Aluminum for BMW E46 Thermostat Bungs
Upgrade your BMW with the Adaptor Fitting Plugs Premium Aluminum for BMW E46 Thermostat Bungs. This CNC-machined adaptor is crafted from a single aluminum billet to deliver a precise, durable fit that stands up to daily driving and the rigors of diesel performance tuning. By reducing inlet air temperatures, it helps your engine breathe more efficiently, unlocking steadier power delivery and smoother throttle response. It’s designed to replace faulty parts without replacing the entire system, offering a cost-effective, reliable improvement for aging or underperforming setups.
Built for broad BMW compatibility, this adaptor is suitable for BMW 1 Series, 3 Series, 5 Series, 7 Series, X5, X6, and X3 models. It is intended for diesel engines and is not compatible with petrol-powered vehicles. The adaptor matches the following engine codes and model ranges, ensuring a secure, leak-free connection when installed correctly:
Engine codes and compatible models include ( Diesel only, not petrol): M47, M47N, M57, M47N2, M67, M47R. Specifically designed for BMW E46 318d, 320d, 330d, 330xd, 320cd, 318td, 320td variants, among others. Fitment spans BMW 3 Series E46, 1 Series E87, 3 Series E90/E91/E92/E93, 5 Series E60/E60N/E61, 7 Series E65/E66, X5 E70, X6 E71, and X3 E83/E83N. The goal is a precise, primal-fit connection that preserves engine integrity while delivering the intended performance benefits.
Benefits & Tips
- Benefit: Lower inlet air temperatures lead to more consistent performance and improved efficiency, especially under diesel operation where air-management impacts power delivery.
- Tip: Because installation is DIY-friendly but no installation guide is provided, consider professional installation to ensure proper sealing and fitment for your specific BMW engine code.
Product specifications
- Material: CNC-machined aluminum billet
- Color: Silver
- Application: Diesel BMW engines, compatible with the listed engine codes and models above
- Origin: Mainland China
- Brand: NONE
- Model Number: BOP40
- Notes: Not for petrol engines; professional installation is highly recommended
Package includes:
- Adaptor Fitting Plugs (premium aluminum) for BMW E46 diesel applications
Warnings / Reminders
- For diesel vehicles only. This item is not suitable for petrol engines.
- DIY installation is possible, but professional installation is highly recommended; installation instructions are not provided.
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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