4-Series Performance Parts & Upgrades | ModBargains

The BMW 4 Series combines sporty coupe styling with the performance and refinement expected from BMW’s luxury lineup. Positioned as the coupe, convertible, and four-door Gran Coupe versions of the 3 Series platform, the 4 Series delivers a balance of dynamic handling, turbocharged performance, and premium interior comfort. Across multiple generations, the 4 Series has become a popular platform for enthusiasts looking to upgrade suspension, wheels, exhaust systems, and styling components.

At ModBargains, we offer performance parts and accessories for every generation of the BMW 4 Series, including suspension upgrades, performance exhaust systems, forged wheels, brake kits, and aerodynamic styling components designed to enhance both performance and appearance.

G22 / G23 / G26 (2021+ BMW 4 Series)

The latest-generation BMW 4 Series includes the G22 Coupe, G23 Convertible, and the four-door G26 Gran Coupe. Built on BMW’s modern CLAR architecture, this generation features improved chassis rigidity, updated styling, and advanced technology.

Engine options include the 430i powered by the B48 turbocharged inline-four engine and the more powerful M440i equipped with BMW’s B58 turbocharged inline-six engine.

Key features:

• B48 turbocharged 2.0L inline-four engine (430i)
• B58 turbocharged 3.0L inline-six engine (M440i)
• xDrive intelligent all-wheel-drive system (available)
• Adaptive suspension and modern chassis electronics
• Advanced digital cockpit and driver assistance systems

Popular upgrades include:

• Performance cat-back and valved exhaust systems
• ECU tuning and performance software
• Lowering springs and adjustable coilover suspension systems
• Forged wheels with aggressive performance fitments
• Carbon fiber aerodynamic components including front splitters and rear diffusers
• Brake upgrades and performance braking components

The G22/G23/G26 platform offers strong tuning potential, especially in the B58-powered M440i models which respond exceptionally well to performance modifications.

F32 / F33 / F36 (2014–2020 BMW 4 Series)

The first-generation BMW 4 Series introduced the new naming structure separating coupe and convertible models from the traditional 3 Series sedan. This generation includes the F32 Coupe, F33 Convertible, and F36 Gran Coupe.

Engine options include the 428i / 430i powered by BMW’s turbocharged inline-four engines and the 435i / 440i equipped with the N55 or B58 turbocharged inline-six engines.

Performance highlights:

• N20/B48 turbocharged inline-four engines
• N55/B58 turbocharged inline-six engines
• Rear-wheel-drive and xDrive all-wheel-drive configurations
• Balanced chassis and sporty coupe dynamics

Common aftermarket upgrades include:

• Performance exhaust systems and high-flow downpipes
• ECU tuning for increased horsepower and torque
• Upgraded intercoolers and intake systems
• Lowering springs and coilover suspension systems
• Forged wheels and performance tire packages
• Carbon fiber aerodynamic styling upgrades

The F32/F33/F36 generation remains a popular platform for enthusiasts seeking sporty coupe styling combined with strong turbocharged performance.

Shop BMW 4 Series Performance Parts at ModBargains

No matter which generation you drive, ModBargains offers a wide selection of performance parts and accessories for the BMW 4 Series, including:

• Performance exhaust systems
• ECU tuning and engine performance upgrades
• Coilovers and suspension upgrades
• Big brake kits and braking components
• Forged wheel and tire packages
• Carbon fiber aerodynamic components
• Interior and exterior styling upgrades

From the original F32 generation to the latest G22 platform, the BMW 4 Series delivers an ideal combination of luxury, sporty styling, and performance potential. Upgrade your BMW 4 Series with premium aftermarket parts from ModBargains to enhance handling, styling, and overall driving performance.