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Performance M

Maxton Design Street Pro Rear Diffuser for BMW Z4 G29 M Sport (M-Pack) 2018+, 10mm Matte Black ABS - Rear Bumper Valance, Lower Spoiler, Rear Splitter, Rear Lip, Rear Apron Trim Insert, Red Core option, OEM Style

Maxton Design Street Pro Rear Diffuser for BMW Z4 G29 M Sport (M-Pack) 2018+, 10mm Matte Black ABS - Rear Bumper Valance, Lower Spoiler, Rear Splitter, Rear Lip, Rear Apron Trim Insert, Red Core option, OEM Style

Regular price £149.00
Regular price Sale price £149.00
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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.

Street Pro rear bumper valance upgrade for BMW Z4 G29 M Sport - 10 mm ABS in black

Sharpen the rear end of your G29 roadster with the Maxton Design Street Pro rear lower spoiler. Tailored for the BMW Z4 with the M Sport package from 2018 onwards, this premium 10 mm ABS rear insert delivers an assertive, motorsport-inspired look with precise, OEM-plus fit and finish. If you want a tougher stance and a clean, factory-style install, this rear apron trim is the one to choose.

Compatibility

BMW Z4 G29 with M Sport package - 2018 onwards.

Why it belongs on your Z4

  • Solid 10 mm ABS construction for a robust, quality feel
  • Scratch and impact resistant surface for everyday use
  • UV-stable coating helps maintain colour and sheen
  • Weather and temperature resistant for year-round driving
  • Arrives vacuum sealed with protective film
  • Supplied ready to fit - no painting required
  • Authenticity label on each component for peace of mind
  • Material is TUV MATERIALGUTACHTEN certified

Finish choices

  • Matte Black 10 mm
  • Matte Black 10 mm with Red Core accent

If you decide to paint the product, apply a suitable primer first.

What is included

  • Maxton Design Street Pro rear bumper diffuser insert
  • Mounting hardware kit

Tried and trusted by us

We have fitted this Street Pro rear lower diffuser to customer Z4 G29 M Sport cars and the feedback has been outstanding. The alignment, the durable finish and the aggressive yet tasteful styling make it a standout visual upgrade for the G29 platform.

Professional installation

For a seamless install, book fitting with MJ Modifications in Warwickshire. Request a quote by emailing info@mjmodifications.co.uk.

Search-friendly terms

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