Cobra Sport GPF/PPF Delete Performance Exhaust for BMW 1 Series F40 M135i xDrive (M135ix) 3in (76.2mm) Resonated/Non-Resonated 20182019

OPF Delete Mid-Pipe for BMW F40 M135i xDrive by Cobra Sport

Give your F40 hot hatch a proper soundtrack. This Cobra Sport OPF removal section replaces the factory petrol particulate filter between the turbo downpipe and the centre pipe, opening up a sharper, sportier tone that enthusiasts want for track days and off-road events. If you are searching for an OPF delete for M135i, OPF removal pipe, centre section upgrade, or mid-pipe for the M135ix AWD platform, this is the proven choice.

• 76.2 mm pipework - 3 inch diameter for a direct, OE-style fit from the downpipe to the centre section, replacing the stock OPF unit.
• Sound transformation with a crisper, more aggressive note compared to the standard exhaust.
• Choose silenced or unsilenced to fine tune volume and character for your build.
• Specific to BMW 1 Series F40 M135ix xDrive, model years 2018 to 2019.
• ECU calibration required at install to clear the EML/CEL warning light.
• Motorsport and off-road use only where emissions equipment can be removed.
• Covered by Cobra Lifetime Warranty non-transferable for peace of mind.

Why owners pick this OPF removal section

We have installed this OPF delete on customer cars in our own workshop and feedback has been consistently excellent, with owners praising the cleaner tone, noticeable increase in character and the quality fitment. If you are hunting terms like OPF delete M135i F40, OPF removal pipe M135ix, mid-pipe upgrade, centre pipe replacement or Cobra Sport mid section, this is exactly what you are after.

Silenced vs unsilenced options

• BM136 - Resonated uses a centre silencer for a refined, matured tone that suits daily-driven cars while still delivering extra presence.
• BM137 - Non-Resonated removes the centre silencer for maximum volume and a raw, motorsport-inspired soundtrack.

Fitment and specifications

• Chassis: BMW 1 Series F40 M135ix xDrive 2018 to 2019.
• Layout: replaces the petrol particulate filter section between the downpipe and the centre pipe.
• Pipe diameter: 76.2 mm - 3 inch mandrel-style routing.
• Direct bolt-on to the relevant factory connection points for straightforward installation.

Part numbers

• BM136 - Resonated
• BM137 - Non-Resonated

Tuning and usage

• EML/CEL light will illuminate unless a suitable calibration is applied at fitting.
• For closed-course use only. Not for road use where OPF/GPF equipment is required.

Manufactured by

Cobra Sport

Warranty

Cobra Lifetime Warranty non-transferable

Professional fitting

For expert installation, alignment and mapping support, book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Photos and videos

Search-friendly terms

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