Stone Exhaust BMW B48 G30 G31 530i OEM Integrated Valved Cat-back Exhaust System
Upgrade your BMW 5 Series 530i with the Stone Exhaust OEM Integrated Valved cat-back exhaust system. Purpose-built for the B48 engine in the BMW G30 530i Sedan and G31 530i Touring, this premium performance exhaust delivers OEM-level fitment, a deeper performance tone with no drone, enhanced flow for proven gains on the dyno, and the everyday refinement you expect from a valved exhaust controlled by your factory ECU.
We have installed and run this system on our own builds and customer cars. Feedback is consistently excellent. Sharper throttle response, a richer sound when you want it, quiet when you need it, and quality engineering throughout. If you are searching for a BMW 530i cat-back exhaust, BMW G30 exhaust upgrade, BMW G31 Touring 530i valved exhaust or B48 performance exhaust UK, this is the solution.
Compatibility - B48 Engine
- BMW 5 Series G30 530i and 530i xDrive - 2015 to 2019
- BMW 5 Series G31 530i Touring and 530i xDrive Touring - 2016 to 2019
Part Number: AP527B - requires original bumper
Why choose the Stone Exhaust BMW 530i cat-back
- OEM Integrated Valve system - your BMW’s ECU controls the valves for effortless day-to-day refinement
- Optional Stone Valvetronic System with dual valves - remote control of sound level when desired
- Plug and play OBDII controller for simple integration
- One piece design for optimal flow and durability
- Machine welding with direct spot welding for strength and longevity
- In-house R and D - 3D scanning and reverse engineering for 100 percent OEM fitment
- Dyno developed in house - proven performance and flow improvements
- Eliminates drone commonly found on the standard BMW 530i exhaust
Sound and performance you will love
Cold starts and hard acceleration deliver that signature Stone performance tone, while cruising remains refined and comfortable thanks to the OEM integrated valve control. Flow-optimised routing and precision bends mean better exhaust scavenging and sharper response from your B48 engine.
OPF delete - included free of charge
Running an OPF equipped car No problem. Stone provides an OPF delete solution at no extra cost, allowing you to fit this cat-back without triggering an error code. No ECU coding is required to remove OPF errors.
Engineered for precision - built for reliability
- 3D scanning and CAD-based reverse engineering of the OEM BMW exhaust for exact fit
- 7-axis CNC bending - industry-leading roundness and accuracy reduce flow disruption
- Crisscross and overlapping welding techniques at critical joints to handle extreme temperatures
- Direct spot welding by mechanical welding arms for consistent penetration and strength
Watch - BMW G30 B48 530i Stone Exhaust
Professional fitting - Nforcd, Warwickshire
For installation of your BMW 530i G30 or G31 cat-back exhaust, we recommend professional fitting at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com. We know these cars, we know Stone Exhaust, and we deliver a seamless install.
Warranty
Stone Exhaust 2 year warranty.
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