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AST Advanced Suspension Technology bv

MMX Performance Front Inner Arch Vent Panel Pair, Wheel Arch Liner Clearance Kit for BMW M3/M4 G8X (G80 G81 G82 G83)

MMX Performance Front Inner Arch Vent Panel Pair, Wheel Arch Liner Clearance Kit for BMW M3/M4 G8X (G80 G81 G82 G83)

Regular price £149.99
Regular price Sale price £149.99
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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.

Stop front tyre rub on your G8X build

Running wider rubber, lower springs or coilovers, and spacers on your BMW M3 or M4 often leads to contact inside the front inner arch under load and full lock. This MMX Performance vent panel pair creates valuable space inside the front liner, helping your fast-road or track setup clear comfortably while keeping cooling air moving and unwanted road grit out.

Why enthusiasts choose this solution

  • Improves tyre-to-liner room for aggressive wheel fitment and lowered ride heights
  • Helps reduce scrubbing on turn in and over compressions
  • Retains airflow for brake and bay cooling while shielding against debris
  • Clean OEM-plus look with a tough satin black finish

Engineered for the G8X platform

Designed specifically for the latest M chassis. Ideal for BMW M3 and M4 owners pushing fitment on the G80, G81, G82 and G83. Perfect for cars on coilovers or lowering springs, and for wheels with lower offsets or added spacers.

Construction and design

  • Lightweight alloy panels with precision CNC cut honeycomb mesh for strength and flow
  • Durable black powder-coated finish for corrosion resistance and a discreet appearance
  • Four-point mounting on each side for a secure, rattle-free install

What you receive

  • 2 x front inner arch vent panels, left and right
  • Complete mounting hardware for both sides

Fitting information

Installation requires trimming and removing the louvred section of the factory front liner before fastening the new panels in place. Confident home installers can complete the job with basic tools and careful measuring.

Prefer professional installation. Book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote.

Proven at our workshop

We have fitted these to multiple customer cars with lowered suspension and wider front tyres. Feedback has been excellent for clearance gains and the neat, factory-style finish.

Common search terms

BMW M3 G80 front inner arch vents. BMW M4 G82 liner trim. G8X fender liner clearance. Tyre rub fix. Wheel spacer solution. Wider front tyre clearance. Fender vent panels. Inner arch guard. Brake cooling grille. Front wheel fitment upgrade.

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