Performance M
Maxton Design Gloss Piano Black Rear Diffuser / Centre/Center Splitter for BMW 7 Series G11 Saloon M Sport (M Pack) 2015-2018 – Rear Bumper Lip, Lower Valance, Rear Skirt, Rear Apron with Vertical Fins
Maxton Design Gloss Piano Black Rear Diffuser / Centre/Center Splitter for BMW 7 Series G11 Saloon M Sport (M Pack) 2015-2018 – Rear Bumper Lip, Lower Valance, Rear Skirt, Rear Apron with Vertical Fins
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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Piano Black rear lower spoiler with vertical fins for BMW G11 7 Series M Sport 2015 to 2018
Give the back end of your BMW G11 a sharper, sportier finish with this premium rear lower valance add-on. Designed for the M Sport rear bumper on the 7 Series saloon, this centre under-bumper extension with integrated fins delivers a sleek performance look that complements factory lines and elevates road presence. Precision made by Maxton Design in high gloss black, it is the go-to OEM-plus style upgrade for owners who want a clean diffuser look without going over the top.
Why enthusiasts choose it
- Vehicle-specific for BMW 7 Series G11 with M Sport package, model years 2015, 2016, 2017, 2018
- High gloss piano black finish for a factory-plus appearance that ties in with existing trim
- Vertical fin design enhances the rear profile for a subtle diffuser-style aesthetic
- Transforms stance and presence while retaining a refined executive look
- Quality construction from ABS for strength, durability and a precise fit
Real-world results
We have fitted this item at MJ Modifications and it consistently impresses. Customers praise the crisp fitment, deep gloss finish and the way it completes the M Sport rear bumper with a performance-inspired edge. It looks right at home on the G11 luxury saloon.
Compatibility
For BMW 7 Series G11 saloon with M Sport rear bumper. Years: 2015 to 2018.
Also searched as: rear bumper lip, rear apron trim, diffuser extension, rear skirt, centre valance, rear undertray add-on, gloss black rear lower spoiler for BMW G11 7er M Sport.
What you receive
- Centre rear lower extension with integrated vertical fins
Material and finish
Manufactured from ABS plastic for a robust yet lightweight part with the right amount of flexibility. Supplied in a high gloss black finish. A protective film is applied for transit and should be removed during installation to reveal the pristine surface beneath.
Installation
Professional fitting is recommended for the best alignment and secure mounting. MJ Modifications offers installation at our Warwickshire workshop. For a fitting quote, email info@mjmodifications.co.uk.
Fitting manual: Download the rear centre splitter fitting guide
Search-friendly terms
BMW G11 rear diffuser trim, BMW 7 Series rear bumper lip M Sport, G11 rear apron insert, piano black rear skirt G11, BMW 7er M Paket rear valance, BMW G11 2015 2016 2017 2018 rear spoiler lower, Maxton rear lower lip G11, luxury saloon styling upgrade, OEM style rear diffuser look, gloss black rear under-bumper add-on.
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