Remus Sport Exhaust Rear Silencer for BMW 340i 340i xDrive F30 F31 & 440i 440i xDrive F32 F33 F36 LCI B58 - Valved Axle-Back, Stainless Steel, EC Approved - 088015 1500

Remus valve-controlled rear box for BMW F30 F31 340i and F32 F33 F36 440i B58

Transform the character of your BMW B58 with this Austrian-made Remus rear section. Expect a richer, deeper soundtrack, sharper response and premium craftsmanship throughout. Built from high-grade stainless steel with a shot-blasted finish, this active-flap rear box retains factory drivability while unlocking a more engaging tone on throttle. It plugs straight into the original electronic actuator for seamless valve operation via your drive modes.

Part number: 088015 1500

Why enthusiasts choose this Remus rear section

• Sporty, refined note with no intrusive cabin boom on the motorway
• Lower back pressure for improved flow and response on the B58 3.0 turbo straight-six
• Precision TIG-welded, lightweight stainless construction, handmade in Austria
• ECE type approval for street use across Europe
• Excellent fit and finish with OE-style hanger locations
• 2-year Remus manufacturer warranty

Technical highlights

• Valve control uses the car’s original flap motor and onboard electronics
• Rear section installation requires a cut to the stock system at the prescribed join
• No trimming of the rear valance or diffuser required
• Compatible with both Standard and M Sport rear bumpers

Build your setup

Create the sound and look you want. Pair this rear box with genuine Remus tailpipe trims for the F3x platform to complete the axle-back package, or combine it with the matching Remus front silencer to form a full cat-back for a fuller tone and additional flow gains.

Vehicle coverage

BMW 3 Series LCI
F30 Saloon and F31 Touring 340i and 340i xDrive, 2015 onwards

BMW 4 Series LCI
F32 Coupé, F33 Convertible, F36 Gran Coupé 440i and 440i xDrive, 2015 onwards

Our experience

We have installed this Remus rear box on multiple customer 340i and 440i builds and the feedback has been consistently positive. Owners love the richer tone, the quality of the welds and the perfect alignment of the tips. It is a premium upgrade for anyone wanting a performance-focused rear section that keeps comfort on long journeys.

Installation and support

Professional fitting recommended. MJ Modifications offers in-house installation in Warwickshire. For a fitting quote, email info@mjmodifications.co.uk.

Fitment check before dispatch

To ensure the correct part for your BMW, add your UK registration or the last 7 of your VIN at checkout and we will verify compatibility for your F30 F31 F32 F33 F36 LCI, including xDrive models.

Warranty

24-month Remus warranty.

Search-ready terms

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