2019 BMW X4 M40i Performance Parts

Now introducing our dry carbon fiber hood for your BMW F97 X3M, F98 X4M, G01 X3, and G02 X4. Like all of RW's products, fitment is bolt-on requiring no special modifications to your BMW. This hood also saves your vehicle about 20 pounds, which can improve...

Complete your wheel setup with one of the most refined details available for modern BMW platforms - the IND Black Series Floating Wheel Center Cap Set - 56mm. Designed for enthusiasts who appreciate subtle precision, this premium wheel center cap set delivers a clean,...

Are you looking to add a little more jazz to your interior? Look no further as we have just released our complete replacement Bright Red Audio Volume Button for selected BMW F and G-Chassis vehicles. These buttons are made of precise ABS plastic and...

The IND Gloss Black BMW 56mm Wheel Center Cap Set - Next Dark Design is based on BMW’s latest center cap styling introduced with the Neue Klasse design generation, first seen on the new BMW iX3. This updated emblem replaces the traditional chrome outer...

The license plate frame is the last thing you see before the parking lot disappears in your rearview mirror. AutoTecknic's Dry Carbon Fiber License Plate Frame uses pre-preg autoclave construction: the same standard trusted in motorsport and aerospace, not the wet-lay approach that dominates...

Custom built multi-function digital boost gauge and more for the G01, G02, and F97 generation (2018-2024) BMW X3, X3 M40i, X3 M, X4, X4 M40i, and X4 M models.SELECT COLOR / YEAR for LCI OR ADD VEHICLE YEAR TO NOTE IN CART In one sleek...

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 G01 X3 M40i Valvetronic Designs Valved Exhaust System Unleash the Full Potential of Your B58 Overview At Valvetronic Designs, we believe enthusiasts deserve the ultimate driving and sound experience. That’s why our pursuit of perfection for the G01 platform has resulted in one...

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...

Unlock the untapped potential of your BMW's engine with the MAD High Flow Air Intake, specifically designed for BMW X3 & X4 models with B58 engines. Aimed to please both the performance enthusiast and the everyday driver, this product provides a seamless blend of...

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...

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...

Upgrade from the stock B58 downpipe to the MAD B58 catless downpipe for maximum airflow, power, and sound! The Mad Catless B58 Downpipe is an essential upgrade for any BMW enthusiast looking to maximize the performance of their B58 engine. Made from high-quality materials,...

MAD BMW X3 X4 X5 X6 X7 G-Series B58 Front Mount Silicone Intake Unlock More Airflow. More Sound. More Performance. Take your BMW B58 to the next level with the MAD Front Mount Silicone Intake, engineered specifically for G-Series platforms. Designed to increase airflow,...