Maxton Design Street Pro Side Skirt Diffusers/Extensions with Gloss Flaps - Black - BMW 4 Series (G22) M Sport/M Pack 2020+

Regular price: £199.00
Sale price: £199.00
Regular price
Unit price: per

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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Maxton Design Street Pro Side Skirts Diffusers with Gloss Flaps - BMW 4 Series G22 M Pack 2020-on - Black

Upgrade your BMW 4 Series G22 M Pack with Maxton Design Street Pro side skirts diffusers with gloss flaps. These premium side skirt extensions deliver an aggressive, lower and wider look, transforming the profile of your 4 Series while complementing OEM M-Pack styling. Perfect for road or show, this Street Pro kit in black with gloss flaps is a go-to exterior styling upgrade for enthusiasts who want quality, durability and a precise fit for the G22.

Compatible Vehicles

Designed for: BMW 4 Series G22 M Pack 2020 onwards.

What you get

Maxton Design Street Pro side skirt diffusers
Gloss flaps
Mounting kit

Why choose Maxton Design Street Pro for your BMW G22

Street Pro construction: 10 mm thick ABS plastic for additional strength and durability
High impact and scratch resistance for daily road use
UV-protective coating to help prevent fading
Temperature and weather resistant for year-round driving
Arrives vacuum-sealed with protective film
No painting required
Authenticity labelling for guaranteed Maxton Design quality
TÜV MATERIALGUTACHTEN certified material

Finish options

Black Street Pro side skirts with gloss flaps as per this listing
Street Pro range also available in 10 mm matte black or 10 mm matte black with a red core

Fitment and installation

Supplied with a mounting kit for a secure install. Professional fitting recommended. We can fit for you at Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.

Trusted by enthusiasts

We run these Maxton Design Street Pro side skirt diffusers on customer cars and feedback is consistently excellent for fit, finish and the way they sharpen the G22’s side profile. A simple bolt-on exterior styling upgrade that makes a big visual difference.

Good to know

If painting is desired, use primer first
Please check your vehicle is the BMW 4 Series G22 with M Pack before ordering

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