Remus Valved Axle-Back Rear Muffler/Back Box for BMW M240i B58 2 Series (F22/F23 Coupe/Convertible, Non-OPF/Non-GPF) - Stainless Steel Performance Sports

Remus Valve-Controlled Rear Box for BMW M240i F22 F23 with Twin 98 mm Black Chrome Tips with Carbon Inserts

Give your M240i the sound and style it deserves with this Remus valve-controlled rear box. Crafted in Austria from premium stainless steel, this axle-back upgrade delivers a deep, motorsport-inspired tone under load and a refined cruise when the valve is closed. The twin 98 mm straight black chrome finishers with carbon sleeves complete the look with a purposeful, OEM-plus finish that suits the 2 Series perfectly.

What you will love

• Switchable sound thanks to a valve-controlled rear section for everyday comfort and weekend excitement
• Freer flowing design for sharper response and a more engaging B58 soundtrack
• Lighter than the factory rear box for a subtle improvement in dynamics
• Precision fit for the F22 coupe and F23 convertible platforms
• Stainless steel construction with a shot-blasted finish for durability and a premium appearance
• Twin straight 98 mm tips in black chrome with carbon fibre inserts for a race-ready aesthetic

Fitment and details

• Vehicle: BMW M240i 2 Series F22 and F23 (pre-OPF/non-GPF cars only)
• Configuration: Axle-back rear box with valve control
• Pipework diameter: 84 mm
• Installation note: The original system requires cutting at the specified location for fitment
• Tailpipe finishers: Pair of 98 mm straight black chrome tips with carbon inserts
• Material: Stainless steel, shot-blasted surface
• Part number: 089016 1500+0026 98CB

Real-world results from MJ Modifications

We have installed this Remus rear box on customer M240i builds and our own cars, and the feedback has been consistently positive. Expect a richer tone, crisper throttle response and no unwanted cabin drone on motorway journeys. The twin 98 mm black chrome carbon tips look exceptional against any body colour and give your 2 Series a serious performance presence.

Professional fitting available

Want it fitted properly first time? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and availability.

Why choose Remus for your M240i

• Austrian-made quality with excellent welds and finish
• Engineered for the B58-powered M240i for a balanced, refined sound
• Perfect upgrade if you want a sports exhaust note without compromising daily usability

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