Skip to content

📦 FREE UK DELIVERY ON ALL ORDERS*

🔧 USE OUR NEW REG CHECK TO SEE WHAT FITS YOUR CAR

Welcome guest

Please login or register

BMW 4 Series Rear Diffusers

Explore our range of premium Rear Diffusers designed to enhance the performance and style of your car. Perfect for F32, F33, F36, G22, G23, and G26 models, these Rear Diffusers not only improve airflow but also give your BMW a bold, performance-inspired look. Start upgrading today!

BMW 4 Series Rear Diffusers

Explore our range of premium Rear Diffusers designed to enhance the performance and style of your car. Perfect for F32, F33, F36, G22, G23, and G26 models, these Rear Diffusers not only improve airflow but also give your BMW a bold, performance-inspired look. Start upgrading today!

Enter your number plate to find parts designed for your car
or

Enter your number plate

or

Select your vehicle

10 products
Enter your number plate to find parts designed for your car
  • Sold out A glossy black car diffuser with a segmented design and mesh vents on either end, shown on a plain white background. A blue BMW car is parked, showing its rear with dual exhaust pipes. It's situated beside a stone building with barred windows, on a wet pavement scattered with leaves.
    Carbon Accents

    4 Series - F32/F33/F36: Gloss Black Twin Exhaust Diffuser 14-20

    From $99.00
  • Add more to save more!

    Body kit builder

    Create a fully customized body kit tailored to your car’s make and model. Mix and match parts, choose premium finishes, and save money by bundling your upgrades in one go.

    Try it
  • A black car rear diffuser with five vertical fins and mesh sections on both ends, viewed against a plain white background. A bright blue car is parked in a driveway, facing a two-story house. Another vehicle, partially visible, is parked beside it. Trees and a clear blue sky surround the scene.
    Carbon Accents

    4 Series - F32/F33/F36: Gloss Black Dual Exhaust Diffuser 14-20

    From $101.00
  • A glossy black car diffuser with several fins lies on a white surface, designed for aerodynamic enhancement. Car exhaust pipe releasing emission, surrounded by a glossy black rear bumper with vents. Reflective cityscape in the metal surface, parked on an urban street.
    Carbon Accents

    4 Series - G22/G23: Gloss Black Diffuser 21+

    From $208.00
  • A glossy black car diffuser with a ribbed design lies against a white background. Text reads: "Worldwide Leader in Aerodynamic Components." A black car rear diffuser, designed for enhanced aerodynamics, is shown separately and installed on a gray car, positioned on a patterned flooring surface.
    Maxton

    4 Series - F32/F33/F36: Gloss Black Maxton Dual Exhaust Diffuser 14-20

    From $250.00
  • A black aerodynamic car diffuser with vent-like structures lies flat against a white background. Text below reads, "WORLDWIDE LEADER IN AERODYNAMIC COMPONENTS." A black car diffuser with vertical fins, designed to enhance aerodynamics, is displayed against a patterned floor. It highlights the diffuser's function and fit on a vehicle's rear bumper.
    Maxton

    4 Series - F32/F33/F36: Gloss Black Maxton Twin Exhaust Diffuser 14-20

    From $250.00
  • 4 Series - G26: Gloss Black LED Competition Diffuser 21+ 4 Series - G26: Gloss Black LED Competition Diffuser 21+
    Carbon Accents

    4 Series - G26: Gloss Black LED Competition Diffuser 21+

    From $214.00
  • Carbon fiber car bumper with sleek contours and angular design, displayed against a plain white background, emphasizing its glossy texture and aerodynamic style. A sleek black car with a "b3x5 4D" badge is parked on a concrete surface, surrounded by trees and a cloudy sky.
    SOOQOO

    4 Series - i4: Dry Carbon Fibre SOOQOO Style Rear Bumper Diffuser 22+

    From $1,426.00
  • A black carbon fiber car bumper diffuser set rests on a white background, featuring aerodynamic contours and mounting points, showcasing its lightweight and sporty design. A silver BMW 4 Series (M440i) car is parked on a street, featuring dual exhaust pipes and a blurred license plate. Surrounded by trees and buildings under a cloudy sky.
    SOOQOO

    4 Series - G26: Dry Carbon Fibre SOOQOO Style Quad Exhaust Diffuser 20+

    From $1,426.00
  • Carbon fiber car diffuser set, featuring three separate sleek, contoured pieces, lies against a plain white background, emphasizing its polished surface and aerodynamic design. A grey sports car is parked on a wet surface, viewed from the rear, with a visible BMW logo. The background includes trees, a yellow building, and overcast sky.
    SOOQOO

    4 Series - G26: Dry Carbon Fibre SOOQOO Style Dual Exhaust Diffuser 20-24

    From $1,426.00
  • A carbon fiber car bumper, featuring a sleek design with angular contours, rests against a white background. Text "SOOQOO" is embossed on the upper center. A sleek black car is parked, showcasing its rear with dual exhausts and a BMW logo, surrounded by other parked vehicles and greenery.
    SOOQOO

    4 Series - G22: Dry Carbon Fibre SOOQOO Style Rear Bumper Diffuser 20-24

    From $201.00
Showing 10 of 10 products

Filters

Grow Your Inventory

become A TRADE DEALER

explore trade options
  • The Car Styling Company
  • The Car Styling Company
  • The Car Styling Company
  • The Car Styling Company

Cart

Your cart is reserved for 15 minutes—complete your purchase before it’s gone!

Your Cart is empty
Let's fix that

Search our store

My wishlist ( 0 )

Easily keep track of the products you love.

Easily share your wishlist with friends or family—send them a link to view your saved items!