Build BMW M440: Performance Engineering and Custom Build Guide

The BMW M440 represents the pinnacle of German engineering, blending raw power with refined handling. Whether you're a tuner or a discerning enthusiast, building or customizing an M440 unlocks a world of performance excellence.

Built on the BMW M340i platform, the M440 delivers exceptional torque, a responsive inline-six engine, and a sophisticated chassis. With precise weight distribution and advanced aerodynamics, it sets the standard for mid-size performance sedans. Key specs include 414 horsepower, 472 lb-ft of torque, and a 0-60 mph time under 5 seconds, making every drive a statement of capability.

Building an M440 demands meticulous attention to detail. Start with engine swaps—options include turbocharged or naturally aspirated variants—paired with high-flow intake systems and custom exhausts. Upgrade suspension components for improved handling, and integrate lightweight wheels to enhance agility. Interior customization with premium materials and sport-tuned seats completes the transformation, balancing luxury with performance.

Personalization is key to maximizing the M440’s potential. Performance tuning via ECU remapping boosts power and responsiveness, while aerodynamic enhancements like front splitters and rear diffusers improve stability. For those seeking exclusivity, bespoke paint, carbon fiber accents, and hand-stitched interiors elevate the vehicle into a collector-worthy masterpiece.

Building the BMW M440 is more than mechanical assembly—it’s an expression of passion for precision and power. Whether starting from stock or transforming into a custom icon, this journey redefines what a performance sedan can achieve. Take the next step: invest in expert guidance, premium components, and craftsmanship that honors the M440 legacy.

Embrace the challenge of building an M440 to experience driving engineering at its finest. With dedication and the right expertise, your M440 becomes not just a car, but a testament to automotive excellence.

Customize your own luxury car to fit your needs. Build and price a luxury sedan, SUV, convertible, and more with BMW's car customizer. The BMW M440i xDrive Gran Coupé offers M performance within the exclusive exterior of a four-door coupé.

Discover all the model variants of the new BMW 4 Series Gran Coupé, its equipment options and technical data, plus numerous leasing and financing options. Irresistible design, open top: With the M TwinPower Turbo 6-cylinder inline engine's impressive power and M typical driving dynamics, BMW M440i xDrive Convertible and BMW M440d xDrive Convertible make a clear statement. Highlights of the BMW 4 Series Coupé M models: Prices, equipment, technical data at a glance.

Discover and configure new and used cars. 2025 BMW 4 Series trim level differences The 2025 BMW 4 Series coupe and convertible are available in four configurations: 430i, 430i xDrive, M440i and M440i xDrive. Online Shopping Tools Shop BMW Parts & Accessories Shop New Inventory Shop Pre-Owned Inventory Build Your Own Shop Online Lease & Financing Offers Estimate Payment Request a Test Drive Contact a BMW Center Find a BMW Center Subscribe to Updates Protection Products.

The BMW M440i xDrive Gran Coupe epitomizes a high-performance sports car in every way. The 6-cylinder BMW M TwinPower Turbo engine unleashes incredible power while M Sport brakes guarantee serious stopping power. On the exterior, the bold BMW M Kidney Grille with horizontal bars and imposing rear showcase true sportiness.

Build and price your Bmw 4-series with TrueCar. Select your preferred options, find local inventory, and get connected directly with a/an Bmw dealer. Explore the features and specifications of the BMW 4 Series Coupe M models.

Find information on transmission, engine type, drivetrain, and more. Highlights of the BMW 4 Series Coupé: Prices, equipment, technical data at a glance. Discover and configure new and used cars.