The CTS Turbo intake system is specifically designed for BMW G2X 230i, 330i and 430i models with the B46 engine. It provides improved airflow, more power, faster throttle response and a more pronounced turbo system sound – without triggering the check engine light (CEL).
Replacing the factory airbox with a high-flow 6″ Velocity stack air filter allows the engine to breathe more easily, contributing to improved responsiveness and smoother acceleration. The custom heat shield separates the air filter from the heat in the engine bay, helping to maintain lower intake air temperatures. High-quality construction ensures reliable, long-lasting performance.
Key features:
- No CEL: The system is designed to prevent issues with the check engine light (CEL) coming on.
- More power: Optimised airflow provides more horsepower and torque.
- Improved throttle response: Acceleration is faster and more responsive.
- More pronounced sound: More intake and turbocharger spool sound for a sportier drive.
- High-flow air filter: Washable and reusable 6″ Velocity stack filter.
- Custom heat shield: Reduces intake air temperature by separating the filter from the heat in the engine bay.
- Durable construction: Made from high-quality materials for reliable, long-lasting performance.
- Easy installation: Direct bolt-on replacement with no modifications.
The intake system is intended for the BMW G2X platform and B46 engine. The system weighs 4.54 kg.
Suitable for: BMW 2 II (G42/G87/F44), BMW 3 VII (G20/G21/G80/G81), BMW 4 II (G22/G23/G26/G82/G83).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| BMW 230i | — | 2021 | — |
| BMW 330i | — | 2019–2023 | — |
| BMW 430i | — | 2018–2023 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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