Remus Valved Axle-Back Exhaust Rear Silencer/Muffler for BMW 2 Series M240i B58 F22/F23 2015-2018 – Switchable Flap Back Box, Stainless Steel, ECE Approved, OE Valve Control – Non-OPF/GPF Coupe & Convertible Performance Exhaust

Switchable Rear Section for BMW M240i F22 F23, non GPF models, stainless construction, ECE road legal

Unlock a richer soundtrack and sharper response from your B58 straight six with this Remus switchable rear section for the BMW 2 Series M240i. It integrates with the car’s original flap motors for true plug and play operation, giving you a refined tone for daily use and a deeper, sportier note when you want more excitement. Precision built in Austria from stainless steel and shot blasted for a premium finish, this is a high quality back box upgrade that looks, fits and sounds the part.

Key reasons enthusiasts choose this rear section

• Valve controlled sound using the factory electronics, quiet when cruising, assertive under load
• Optimised internal design for reduced back pressure and improved throttle response
• Durable stainless steel construction with a shot blasted surface for a long lasting finish
• ECE approved, road legal in Europe for worry free enjoyment
• Direct fit to the original system on non GPF and non OPF cars
• Tailpipe trims available to suit your style, simple bolt on fit
• Austrian craftsmanship, precise fitment and excellent weld quality

Vehicle compatibility

• BMW 2 Series M240i, F22 coupe and F23 convertible
• B58 3.0 litre turbocharged straight six
• Model years 2015, 2016, 2017, 2018
• Uses the original valve control hardware
• Only for vehicles without a petrol particulate filter, non OPF, non GPF

Tailpipe choices

• 2 x 102 mm stainless steel, angled, straight cut
• 2 x 102 mm, angled, rolled edge, chromed
• 2 x 102 mm carbon, angled, titanium internals
• 2 x 98 mm straight, carbon insert
• 2 x 98 mm black chrome, straight, carbon insert

What you will notice

Expect a deeper, more characterful tone that comes alive under acceleration while remaining civilised with the valves closed. The flap control keeps motorway manners intact, yet delivers a proper sports car sound when you ask for it. Our team at MJ Modifications has fitted and used this system on customer cars and the feedback on sound quality, finish and fit has been consistently excellent.

Common search terms

BMW M240i back box, M240i sports muffler, F22 exhaust sound upgrade, F23 cabriolet exhaust, B58 exhaust system, switchable flap exhaust, valve controlled rear box, pre OPF M240i exhaust, BMW 2er M240 exhaust tips, stainless steel rear section, Remus sports exhaust M240i, M240 coupe exhaust upgrade, BMW M240 convertible muffler, axle back system M240i, bolt on rear silencer, BMW M Performance exhaust alternative M240i, EU road legal exhaust, BMW M240i sound kit, 2015 2016 2017 2018 M240i rear box.

Professional fitting

We recommend professional installation for the best result. MJ Modifications, based in Warwickshire, can supply and fit this system. For a fitting quote or advice, email info@mjmodifications.co.uk.