2026 BMW M440i Base Performance Parts

The MAD BMW M340 / M440 Axle Back Exhaust System is designed to deliver a bold sound upgrade without unnecessary parts or added cost. Unlike our previous full catback design, this updated version is more cost-effective, easier to install, and focuses only on the...

MAD Valve Controller Essentials Everything You Need. Total Control. No Guesswork. Take full control of your exhaust sound with the MAD Valve Controller Essentials a simplified, plug-and-play solution designed around the valve positions enthusiasts use most every day. Unlike the factory system, which constantly...

Upgrade your stock B58 downpipe to the MAD B58 Catted Downpipe for more power, better sound, and guaranteed reliability without triggering a check engine light. The MAD Catted B58 Downpipe is the ideal performance upgrade for BMW owners who want more out of their...

Enhance your 2025+ BMW M340 & M440 with the MAD BMW B58 Gen 3 5" 200 Cell Catted Downpipe - engineered specifically for performance enthusiasts seeking a cleaner and refined upgrade. Built with premium-quality 304 stainless steel and equipped with a high-flow catalytic converter,...

Upgrade your 2025+ BMW M340 M440 with the MAD BMW B58 Gen 3 "Fat Boy" 5.0" Catless Downpipe - the ultimate performance upgrade designed to unleash the full potential of your engine. Crafted from premium-quality 304 stainless steel, this larger-diameter 5.0-inch downpipe offers superior...

MAD BMW M340i M440i B58 G20 G22 Front Mount Silicone Intake Unleash the full potential of your B58-powered M340i or M440i with the MAD Front Mount Silicone Intake, designed for maximum airflow, improved turbo response, and an aggressive intake sound. Key Features: Enhanced Airflow...

MAD introduces their G-chassis B58 BMW Turbo Inlet/Resonator Delete Pipe, a product designed to optimize airflow from the intake to the turbo, eliminating restrictions and increasing the inlet diameter for improved power and turbo efficiency. The MAD G-chassis turbo inlet pipe offers a seamless...

Introducing the MAD BMW M340 M440 High Flow Air Intake W/ Heat Shield - a groundbreaking system designed specifically to elevate your BMW M340 M440 to new performance heights. Precision-engineered, this intake system harmoniously blends enhanced functionality with an added touch of elegance to...

The SPL BMW G2X Front Lower Control Arms (FLCA) provide roll center, camber, and track width adjustment for the G2X BMWs (M340i, M440i, etc) while eliminating bushing deflection resulting in sharpened steering response and driving precision.The ability to run more negative camber and a...

The stock eccentric bolts provided by BMW and Toyota for small toe and camber adjustments tend to slip under high cornering loads, causing changes to the rear alignment. Our SPL Parts Eccentric Lockout (EL) kit eliminate the stock eccentric bolts to keep your rear...

The stock eccentric bolts provided by BMW and Toyota for small toe adjustments tend to slip under high cornering loads, causing changes to the rear alignment. Our SPL Parts Eccentric Lockout (EL) kit eliminate the stock eccentric bolts to keep your rear alignment where...

Toyota Supra GR A90/BMW G2X/BMW G42 Differential Mounting Bushings eliminate the stock mushy rubber bushings to hold the differential solidly to the subframe. The stock differential bushing is known to tearing under hard driving and track use. Our bushings will never break, and will...

KW V2 INOX-LINE coilovers are the perfect solution for drivers who want more than just outstanding looks and adjustable ride height. In addition to stainless steel coilover struts, and corrosion-resistant components built for long term durability, KW V2 coilovers utilize TVR-A (Twin Valve Rebound...

K&N 2019 BMW 330I L4-2.0L Turbo F/I/DSL Replacement Drop In Air FilterThis Part Fits: Year Make Model Submodel 2022-2026 BMW 230i Base 2023-2026 BMW 230i xDrive Base 2021-2024 BMW 330e Base 2021-2024 BMW 330e xDrive Base 2019-2026 BMW 330i Base 2019-2026 BMW 330i xDrive...

Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb...