Performance M
Maxton Design Street Pro Rear Diffuser / Lower Valance for BMW X5 M F85 (2014-2018) - Matte Black 10mm ABS, Optional Red Core Accent - Rear Splitter/Apron Bumper Insert Trim Upgrade - Rear Lower Spoiler/Undertray
Maxton Design Street Pro Rear Diffuser / Lower Valance for BMW X5 M F85 (2014-2018) - Matte Black 10mm ABS, Optional Red Core Accent - Rear Splitter/Apron Bumper Insert Trim Upgrade - Rear Lower Spoiler/Undertray
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.
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Upgrade the rear of your BMW X5M F85 with a premium lower bumper valance
Give your F85 X5M a sharper, motorsport-inspired finish with this genuine Maxton Street Pro lower rear section. Crafted from solid 10 mm ABS for a premium, weighty feel, it adds a bold OEM-plus look that complements the X5 M bodylines while remaining practical for daily use. The fit is model specific for the 2014 to 2018 X5M, so the contours and edges sit just right for a clean factory-style appearance.
Why X5M owners choose this rear valance
- Durable 10 mm ABS construction for a strong, high quality result
- UV protected finish to help resist fading and discolouration
- Improved scratch and impact resistance for real-world driving
- Weather and temperature resistant for year-round use
- Arrives vacuum sealed with protective film to preserve the surface
- No painting required out of the box for a quick visual upgrade
- Authenticity labelling confirming a genuine Maxton product
- Material meets TÜV Materialgutachten standards
Finishes available
- Matte black 10 mm
- Matte black 10 mm with subtle red core detail for a motorsport accent
If you choose to paint the part, use a suitable primer first.
Fitment
Compatible only with BMW X5 M F85 2014 to 2018. Not suitable for non M models.
What is included
- Street Pro rear lower section
- Mounting hardware
Proven on customer cars
We have installed this piece on customer X5M builds and the feedback has been outstanding. Owners love the aggressive rear-end stance, the precise fit, and the premium feel of the thick ABS. It delivers that sought-after performance look without compromising everyday usability.
Professional installation
We recommend expert fitting. Book installation with MJ Modifications in Warwickshire and get a quote at info@mjmodifications.co.uk.
Looking for this part by other names
Common searches include: BMW X5M F85 rear valance, F85 rear splitter, BMW F85 rear apron, X5M lower bumper insert, X5 M rear lower spoiler, X5M rear bumper trim, F85 body kit rear piece, matte black rear valance X5M, red core centre accent, ABS rear lower panel, BMW X5M 2014 2015 2016 2017 2018 rear styling, Maxton UK X5M rear upgrade, performance style rear undertray look, X5M rear bumper add on, F85 rear aero styling.
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