BMW 1 Series M135i xDrive F40 2020-2022 OPF/GPF Delete Exhaust Mid Pipe/Midpipe | Scorpion 70mm (2.75") Centre Section | OPF Bypass/Removal Tube | Fits Scorpion GPF-Back Exhaust Only | Track/Race Use

F40 M135i xDrive OPF Bypass Centre Section by Scorpion 70 mm 2.75 inch | Track Only

Unlock a stronger, more characterful soundtrack from your F40 M135i xDrive with Scorpion’s OPF bypass centre section. Purpose-built for the 2020, 2021 and 2022 1 Series M135i fitted with a particulate filter, this race-use centre pipe replaces the factory filter unit to reduce mass and unleash a sharper, freer-flowing tone when paired with the compatible Scorpion rear system.

Why enthusiasts choose it

• Richer, more aggressive exhaust note for circuit and trackday use
• Weight cut of approximately 2.35 kg vs OE assembly (OEM 6.5 kg vs Scorpion 4.15 kg)
• 70 mm 2.75 inch bore for improved flow compared with the stock centre section
• Direct replacement OPF removal tube engineered for the F40 chassis M135i
• Designed to connect with the Scorpion GPF-back system only

Fitment and compatibility

• Vehicle: F40 M135i xDrive 1 Series with factory gasoline particulate filter
• Years: 2020, 2021, 2022
• Connection: must be used with the Scorpion GPF-back rear section
• Pipe size: 70 mm 2.75 inch

Real-world feedback

We have installed this OPF bypass on customer cars and our experience has been excellent. Fitment is spot on, the sound is more purposeful without the factory filter in place, and owners love the transformation for track sessions. It is a popular choice for drivers seeking a clean, reversible centre-section upgrade for closed-course use.

Professional installation

Want it fitted properly first time? Book your car in with MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Important notice

This centre pipe replaces a factory emissions control component. For off-road, track and closed-circuit use only. Not for road use. Check local regulations before purchase and installation.

Search terms customers use

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