Essential Performance Upgrades for Your BMW G80 M3
Upgrades for Your BMW G80 M3
The BMW G80 M3 is already a beast straight from the factory—but like any true enthusiast knows, stock is just the starting point. Whether you’re building a weekend canyon carver, a track weapon, or simply want to turn heads with aggressive styling, a few smart upgrades can take your M3 to the next level.
Here are the essential performance and aesthetic upgrades every G80 M3 owner should consider.
Intake & Exhaust: Let the Engine Breathe
One of the first places to start is improving airflow. An upgraded intake system helps your S58 engine breathe better, delivering improved throttle response and a bump in power. Pair it with a performance exhaust—or better yet, a valvetronic system—to reduce backpressure and give your M3 the aggressive sound it deserves without drone.
Recommended upgrades:
-
High-flow carbon fiber intake
-
Valvetronic cat-back exhaust system
-
Performance downpipes (for off-road/track use)
ECU Tune: Unlock Hidden Power
BMW leaves a lot of headroom in the ECU from the factory. A proper ECU tune can unlock serious horsepower and torque—especially when paired with intake and exhaust mods. Tunes can also sharpen throttle mapping and eliminate unwanted factory limitations.
Look for S58-specific tunes designed to work safely with your current mods and fuel type.
Suspension & Handling: Get It Dialed In
The G80 M3 already handles well, but aftermarket suspension upgrades can take it from good to incredible. A set of coilovers or lowering springs improves stance and cornering stability, while adjustable control arms allow for proper alignment and track-ready setups.
Add sway bars and chassis bracing for an even flatter, more planted feel in high-speed corners.
Wheels & Tires: More Grip, Less Weight
Swapping out the stock wheels for lightweight forged wheels reduces unsprung weight and improves both performance and aesthetics. Combine that with a high-performance tire setup for better grip in every condition—on the street or at the track.
Bonus: You can widen the stance for a more aggressive fitment with proper offsets and spacers.
Carbon Fiber Aero: Style That Works
Let’s be real—part of the G80’s appeal is its bold styling. But carbon fiber aero isn’t just for looks. A front lip, rear spoiler, rear diffuser, and side skirts all improve aerodynamic balance and reduce lift at speed.
Plus, carbon fiber components significantly reduce weight compared to OEM plastic or metal parts, making this a form-meets-function upgrade.
Steering Wheel: Get Connected to the Road
The steering wheel is your main point of contact with the car, so upgrading to a racing-style wheel with Alcantara, carbon fiber, or a thicker grip instantly enhances the driving experience. A flat-bottom design or custom stitching adds personality while improving control.
Pro tip: Look for wheels that retain factory functions like paddle shifters and driver-assist buttons if you’re daily driving.
Build Your Ultimate G80 M3 with RMD Performance
At RMD Performance, we stock everything you need to transform your G80 M3—from carbon fiber upgrades and track-ready exhausts to steering wheel, and more.
Whether you’re just starting your build or fine-tuning a fully modded machine, we’ve got the parts and support to make it happen.
