2026 BMW M440i Base Performance Parts

Front Pipe Section.

If you love all things carbon fiber then this Carbon Fiber Roof Antenna Cover is the perfect finishing touch for your MW F40 1-Series, F44 2-Series, or G22/G23 4-Series. Our carbon fiber antenna covers are simply installed over your antenna via 3M tape and promoter....

These mirror caps are replacement caps so rather than sticking on over your existing mirrors they replace your painted housing. They will fit all 2023+ G20 and G26 and 2025+ G22 G23 M440i applications  (See fitment below) and are produced with 100% carbon fiber. This produces...

EPA Compliant 400cpsi High-Performance Catted Down Pipe.NOTE: Federal law prohibits the tampering of an emissions control device. Mobile Source Enforcement Memorandum 1A allows for aftermarket parts to be used in the repair or replacement of emissions control systems, provided the emissions aren't adversely affected.There...

The Eventuri Gen 3 B58 intake builds on our acclaimed G20 B58 system, updated specifically for the 2025+ platform. The design focuses on two key factors for turbocharged engines: maximizing airflow while minimizing intake temperatures This intake is designed for vehicles produced 2025+ and...

Custom built multi-function digital boost gauge and more for the G20, G21, G22, G23, G26, G42, G80, and G82 generation (2019-2024) BMW 2 Series, 3 Series, and 4 Series, including 218i, 220i, M240i, 318i, 320i, 330i, M340i, M3, 420i, 430i, M440i, and M4 models....

Exhaust Downpipe Midpipe

Exhaust Downpipe Midpipe

Exhaust Equal Length Midpipe

This bundle gives you our industry leading B58 AFlow catted downpipe and our M340i/M440i single midpipe at a special price.

Boost tap kit for BMW B48 / B58 engines. Includes approximately 60" of 5/32" O.D. plastic tubing, zip ties, and connector hoses. This kit does not include a gauge or sensor, sold separately.

BMW M340i / M440i Valved Exhaust System 3.5" Midpipe, Dual 3" Axle-Back, Pneumatic Valves Overview The Valvetronic Designs Valved Exhaust System for the BMW G2X M340i and M440i is the ultimate upgrade for drivers who demand flexibility, performance, and an unforgettable exhaust note. Built...

Upgrade from the stock B58 downpipe to the MAD B58 catted downpipe for maximum airflow, power, and sound! Introducing the Mad Catted B58 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound. Crafted from premium quality 304...

Upgrade your turbocharged BMW or Toyota Supra with the MAD B58 Gen 2 Charge Pipe, engineered to improve airflow, durability, and throttle response while eliminating the weak factory plastic charge pipe prone to cracking under boost. Designed as a direct OEM replacement, this performance...

Enhance your vehicle's exhaust system with the MAD Valve Controller, the ultimate tool for customizing your exhaust sound and performance. Designed to override factory settings, this controller gives you complete control over your exhaust flap, allowing you to tailor the exhaust note to match...