AC Schnitzer BMW G14 G15 Quad Sports Exhaust for 840d xDrive and M850i xDrive
Upgrade the sound, look and presence of your BMW 8 Series with the AC Schnitzer Quad Sports Exhaust. Designed specifically for the BMW G14 Convertible and G15 Coupé, this premium stainless steel rear silencer features four 102 mm stainless steel tailpipes finished in carbon fibre, retains the factory valve control and delivers a deep, sonorous sports tone with reduced weight and a more muscular rear stance. It is the perfect performance exhaust upgrade for BMW M850i xDrive and BMW 840d xDrive owners who want a high quality, valved quad exhaust with carbon tips and OEM‑level fit and finish.
Why choose the AC Schnitzer Quad Sports Exhaust
- Precision engineered stainless steel silencer for durability and performance
- Quad 102 mm carbon fibre tailpipes for a bold, factory‑plus appearance
- Retains the OEM valve system for refined cruising and aggressive tone on demand
- Deeper, richer soundtrack that suits the character of the BMW 8 Series
- Reduced weight and enhanced rear aesthetics for a truly dynamic look
Available versions and part numbers
- 840d xDrive: Part number 1812315324
- M850i Standard version: Part number 1812315514. Homologated and compatible with OPF and WLTP.
- M850i Export version: Part number 1812315524. Not homologated. Compatible with OPF and includes a soundpipe for extra volume and drama.
Important fitment note: both the M850i standard and M850i export versions can only be installed together with the AC Schnitzer carbon rear diffuser. The diffuser is not included and is available separately. This exhaust system is designed to fit with the AC Schnitzer BMW G14 G15 Carbon Fibre Rear Diffuser for 840d, 840i, 840i xDrive and M850i xDrive.
Compatibility
- BMW 8 Series G14 Convertible 2017+
- BMW 8 Series G15 Coupé 2017+
- Models: 840d xDrive and M850i xDrive
Please note: Not available for 840i.
Real‑world results with Nforcd
We have fitted this AC Schnitzer exhaust to customer BMW 8 Series cars and the feedback has been consistently positive. Owners love the deeper tone, the tasteful volume with valves open, the subtle refinement with valves closed and the premium carbon tailpipe finish. Fit and finish are excellent, exactly what you would expect from AC Schnitzer.
Fitting and support
Professional installation is recommended. Nforcd offer in‑house fitting in Warwickshire. For a fitting quote or to book your installation, email Sales@nforcd.com.
Manufacturer and warranty
Manufactured by: AC Schnitzer
In principle, all AC Schnitzer products sold in the UK carry a two‑year manufacturer's warranty, or until the end of the 3 year BMW warranty period, whichever is longer.
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