BMW 6 Series 640i (F12/F13) AC Schnitzer Quad Exhaust Axle-Back - 90mm Polished Chrome Tailpipes, Performance Rear Silencer/Backbox Upgrade Coupe/Cabriolet

Quad outlet axle-back with 90 mm polished tips by AC Schnitzer

Transform the rear of your 6 Series with a premium quad exit axle-back that delivers a sharper look and a sportier soundtrack. This rear section features four 90 mm bright chrome finishers, two per side, each with finely etched AC Schnitzer branding for a factory-plus appearance. Precision engineered for a perfect fit, superb aesthetics and an engaging tone, this is the ultimate tailpipe upgrade for enthusiasts who want a bold, high-end finish.

Why choose this upgrade

• Quad outlet layout, twin tips on each side for a purposeful, performance-inspired stance
• 90 mm polished chrome tailpipe finishers with engraved AC Schnitzer script
• Axle-back replacement of the rear silencer for enhanced character and visual impact
• Designed specifically for the 6 Series 640i on F12 and F13 chassis
• Premium quality from a leading German tuner with outstanding fit and finish

Compatibility and bumper requirements

• SE and Sport models require the AC Schnitzer rear skirt to accommodate the quad outlets
• M Sport models require the AC Schnitzer carbon fibre rear diffuser
• Not compatible with the standard factory rear apron on either trim
• Please select the correct engine option from the dropdown when ordering

Look and sound

Expect a deeper, more athletic tone from the rear of the car, matched to a striking quad-tip appearance. The mirror-polished chrome finishers sit neatly under the correct AC Schnitzer rear trim pieces, giving a clean, OEM-plus look that suits the 6 Series perfectly.

Fitting service

Professional installation recommended. MJ Modifications in Warwickshire can supply and fit this axle-back and the required AC Schnitzer rear trim pieces. For a fitting quote, email info@mjmodifications.co.uk.

Common search terms

BMW 6 Series quad tailpipes, 640i quad outlet, F12 F13 rear silencer upgrade, performance axle-back, quad tip backbox, polished chrome exhaust tips 90 mm, AC Schnitzer exhaust upgrade, twin exit each side, rear section sports silencer, BMW 6er exhaust styling, coupe and cabriolet quad tips, performance rear box.