Wagner BMW N55 Catless Downpipe -06/2013 for M135i, 335i and 435i
Upgrade your BMW N55 with the Wagner Tuning catless downpipe and unleash real performance gains. This high quality stainless steel 1.4301 SS304 de-cat downpipe is a direct OEM replacement for pre 06/2013 BMW M135i F20 F21, 335i F30 F31 F34 and 435i F32 F33 including xDrive. Designed to reduce back pressure, lower thermal load on the turbocharger and improve turbo spool, this N55 downpipe delivers more power and significantly more torque. Perfect for enthusiasts chasing a sharper throttle response and a freer flowing exhaust on their BMW N55 F-Series platform.
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Why choose this Wagner Tuning N55 decat downpipe
- Manufactured from high quality stainless steel 1.4301 SS304 for durability
- 100 percent perfect fit, direct bolt-on OEM replacement
- Reduces exhaust back pressure for improved performance
- Less thermal load on the turbocharger for more consistent power
- Delivers more power and significantly more torque
- Catless design for maximum exhaust flow
- Large 105 mm connection diameter
- Wagner Tuning engineering and build quality
At Nforcd we have installed and used this Wagner N55 catless downpipe on customer cars with excellent results. Fitment is spot on and feedback has been consistently positive regarding gains, sound and quality. If you want a proven BMW N55 performance exhaust upgrade, this is a top choice.
Compatibility
This Wagner Tuning BMW F-Series N55 Catless Downpipe fits the following models up to 06/2013:
- BMW M135i F20 F21 till 06/2013
- BMW 335i x and non x F30 F31 F34 till 06/2013
- BMW 435i x and non x F32 F33 till 06/2013
Replacement for OEM BMW part number 18328603875.
Installation and fitting
- Professional fitting recommended. We can help
- Based in Warwickshire, Nforcd offers fitting. Request a quote at Sales@nforcd.com
- We highly recommend replacing the downpipe to turbo gasket during installation
- ECU coding may be required to avoid engine management light errors
Legal notice
Off-road use only unless a catalyst is fitted in the exhaust mid section. Removal of all catalytic converters will almost invariably make your vehicle illegal for use on a public road. ECU will need to be coded to avoid engine management light errors.
Compatibility check
We run a compatibility check prior to dispatch to ensure the part fits your vehicle. Provide your UK registration number or the last 7 digits of your VIN at checkout.
Part number and warranty
- Wagner Tuning part number: 500001014
- Replaces OEM BMW part number: 18328603875
- Warranty: 2 Years Manufacturer Warranty
Order your Wagner BMW N55 catless downpipe today from Nforcd for the best price, fast support and expert advice on BMW M135i, 335i and 435i performance upgrades.




