Akrapovic Evolution Stainless Steel Mid Pipe / Midpipe Centre/Center Section Link Pipes for BMW M140i M240i F20 F21 F22 F23 (2018+, OPF/GPF) – B58 BMW 1 Series & 2 Series Exhaust Connecting Pipes Upgrade | E-BM/SS/4

BMW M140i and M240i B58 OPF centre section by Akrapovic - Part No. E-BM/SS/4

Unlock serious sound and response from your B58 1 Series and 2 Series with this stainless steel centre section from Akrapovic. Designed specifically for particulate filter models from 2018 onward, this precision-engineered mid section frees up flow, sharpens throttle feel and delivers a richer, deeper tone while retaining everyday usability and premium fit and finish. If you want your M140i or M240i to sound how it should, this is the upgrade.

Why enthusiasts choose it

• Flow-optimised mid section for stronger mid-range punch and crisper throttle response
• High quality stainless construction for durability and a factory-grade fit
• Tailored for OPF and GPF equipped F20 F21 F22 F23 B58 cars from MY2018 onwards
• Beautiful tone under load with a mature cruise, engineered by a world-leading exhaust specialist

Verified gains

• Up to +16.8 kW at 4450 rpm
• Up to +37.0 Nm at 4300 rpm
• Weight saving of 0.7 kg vs stock

Technical data

Maximum power

• 260.3 kW at 5750 rpm
• 353.9 HP metric at 5750 rpm
• 349.1 HP imperial at 5750 rpm

Maximum torque

• 547.1 Nm at 3050 rpm
• 403.5 lb ft at 3050 rpm

Weight

• Total: 9.7 kg
• Saving: 0.7 kg vs OE

Sound level

• 98 dB at 3750 rpm

Approximate installation time

• About 90 minutes

Compatibility

• BMW M140i F20 and F21 with OPF or GPF - 2018 onward
• BMW M240i F22 and F23 with OPF or GPF - 2018 onward

Part number

E-BM/SS/4

Fitting service

Professional installation available at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk. We have fitted this Akrapovic centre section on customer M140i and M240i builds and feedback on quality, fitment and soundtrack has been outstanding.

Manufacturer and warranty

Manufactured by Akrapovic

Akrapovic one year warranty

View installation guide

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