Wagner Tuning BMW F-Series N55 Competition Package w. cat. 7/13+

Unlock reliable, repeatable power on your N55-powered BMW with this Wagner performance bundle: a front mount intercooler upgrade and a high-flow catted turbo downpipe engineered for F-series models from July 2013 onward.

Perfect for spirited road use, track days and tuned applications, this package delivers cooler charge temps, quicker response and lower exhaust back pressure. Expect sharper throttle, stronger mid-range and excellent heat management on hard drives. We have installed and run this setup ourselves, and our customers consistently comment on the quality, fit and results.

Compatible BMW models

• BMW M135i F20 / F21, 07/2013 onwards
• BMW M235i F22
• BMW 335i and 335i xDrive F30 / F31 / F34, 07/2013 onwards
• BMW 435i and 435i xDrive F32 / F33, 07/2013 onwards

What you get

Wagner Stepped FMIC Upgrade Kit — Part No. 200001046

• Stepped competition core for maximum cooling efficiency
• Core dimensions: 520 x 210 x 130 mm
• Core volume: 11,752 cm³ (OEM 7,293 cm³)
• Approx. 85 percent larger frontal area than the factory cooler
• CAD and FEM optimised cast aluminium end tanks for superior flow
• Direct fit using the original pipework, no cutting and no bumper removal
• Weight: 6.6 kg
• TÜV certificate included

Wagner N55 Sports Cat Downpipe — Part No. 500001013

• Replaces BMW OE part number 18328602882
• Manufactured from premium stainless steel 1.4301 (SS304)
• 200 CPI performance catalytic converter for high flow
• Reduces exhaust back pressure to help the turbo work cooler and more efficiently
• Improves torque and response
• Precision fitment, designed to install in place of the stock unit
• Connection diameter: 105 mm

Why choose this setup

• Front mount intercooler upgrade keeps intake air temperatures stable, reducing heat soak on fast road and circuit sessions
• High-flow catted downpipe frees up the exhaust side, aiding spool and mid-range punch
• Ideal foundation for software calibrations on the N55 engine
• German-engineered, track-proven quality with documentation
• Retains factory-style installation for a clean, reversible fit

In the box

• Intercooler assembly
• Mounting hardware
• Installation instructions
• TÜV certificate
• Catted downpipe assembly

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote and lead times, email info@mjmodifications.co.uk. Our team has hands-on experience with this hardware and can advise on complementary upgrades for your build.

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