Wagner Tuning BMW E-Series N55 EVO 2 Competition Package catless

E-series N55 performance bundle – intercooler upgrade plus de-cat turbo downpipe

Transform throttle response, lower intake temps and unlock real power on your BMW 1 Series and 3 Series E-chassis with this German-engineered package. It combines the EVO2 stepped front-mount charge cooler and a catalyst-free N55 turbo outlet pipe for maximum flow and cooling efficiency on the road or track.

Vehicle compatibility

• BMW 135i E82 coupe and E88 convertible
• BMW 335i and 335xi E90 saloon, E91 touring, E92 coupe, E93 convertible

Note: To install the larger EVO2 core across all listed models, minor adaptation work may be required.

Why enthusiasts choose this kit

• Huge reduction in charge temps for consistent performance on spirited drives and track days
• Freer exhaust flow from the de-cat section for quicker turbo spool and stronger mid-range torque
• Lower pressure drop than stock for sharper boost delivery and improved reliability
• Proven fitment on E-series N55 cars with excellent customer feedback

Intercooler details – part no. 200001044

• Stepped core size: 520 mm x 210 mm x 150 mm – volume 13,572 cm³
• Approximately 85 percent larger frontal area and around 90 percent more internal volume than the factory cooler
• Lightweight at approximately 7.4 kg with robust cast aluminium end tanks
• CAD-optimised, flow-analysed design removes factory bottlenecks for superior internal airflow
• Protective anti-corrosion coating with excellent heat dissipation characteristics
• Direct replacement FMIC for the OEM unit with a precise fit and straightforward installation
• Ideal foundation for tuned N55 setups seeking lower IATs and repeatable performance

N55 de-cat downpipe highlights

• Premium 1.4301 stainless steel construction – also known as SS304
• Straight-through, catalyst-delete design to minimise back pressure
• Less thermal load on the turbocharger for improved durability
• Noticeable torque increase and faster turbo response
• Direct-fit replacement for the original component

Real-world results you can feel

We run this setup on customer cars and our own E-series demonstrators. Expect cooler intake temps, crisper boost, and a stronger pull through the rev range. BMW 135i and 335i owners tell us the car feels more eager everywhere – perfect for remapped N55 applications seeking dependable cooling and flow.

Popular search terms

BMW 135i FMIC, 335i FMIC, E82 intercooler, E92 intercooler, N55 de-cat, N55 straight pipe, E90 xDrive downpipe, BMW 1 Series turbo upgrade, BMW 3 Series charge cooler, E9X performance parts, N55 exhaust upgrade, high-flow down pipe, BMW E chassis tuning.

Fitting and support

Professional installation recommended. For fitting, speak to the specialists at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and workshop availability.

Legal notice: the de-cat downpipe is intended for motorsport or off-road use where applicable. Check local regulations before road use.