AC Schnitzer quad exit sports exhaust rear silencer/muffler - 90mm chrome tips - BMW 6 Series 640d F12 F13 coupe/convertible - back box rear section upgrade, quad tailpipe conversion for diesel

Quad outlet performance rear box for BMW 6 Series F12 F13 640d

Transform the rear of your BMW 6 Series 640d with this AC Schnitzer quad exit rear silencer. Designed for the F12 and F13 6 Series diesel, it delivers a richer, sportier tone and a head‑turning look with twin tips on each side. Expect premium fit and finish, precision engineering and a seriously classy appearance that complements the 6 Series shape.

The system retains the proven AC Schnitzer sports silencer and adds four 90 mm outlets, two per side, finished in mirror‑polished chrome with laser‑etched branding. The result is a clean, motorsport‑inspired aesthetic and a refined soundtrack that elevates daily driving and weekend blasts alike.

Why choose this upgrade

• Quad exit conversion for a stronger, wider rear stance on the BMW 640d coupe or convertible
• 90 mm chrome tailpipes with crisp laser‑etched AC Schnitzer logos
• Performance‑focused sound with a deeper, more engaging note
• German engineered quality and a precision fit when used with the correct AC Schnitzer rear trim
• Ideal for enthusiasts seeking a tasteful exhaust upgrade without compromise

Compatibility and requirements

• Vehicle: BMW 6 Series 640d F12 and F13
• SE or Sport models: requires the AC Schnitzer rear skirt
• M Sport models: requires the AC Schnitzer carbon fibre rear diffuser
• Not suitable with the factory standard rear bumper without the AC Schnitzer lower trim

Please confirm your 640d variant before ordering to ensure the correct fit with your chosen AC Schnitzer rear apron or diffuser.

What enthusiasts love

We fit this exhaust on customer 640d builds and the feedback is consistently excellent. The finish is superb, the quad exit layout looks factory‑plus and the tone is sporty without being intrusive on longer journeys.

Professional installation

Fitting available at MJ Modifications in Warwickshire. For an installation quote or advice on the correct AC Schnitzer rear trim, email info@mjmodifications.co.uk.

Search terms customers use

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