Maxton Design Gloss Black Rear Side Splitters V4 for BMW 1 Series F40 (2019+) M135i & M Sport Rear Spats/Side Extensions Pair

Gloss Piano Black Rear Corner Extensions V4 for BMW 1 Series F40 M135i and M Sport 2019 on

Give the back end of your F40 hatch a sharper, more purposeful finish with these premium rear bumper corner extensions in high gloss black. Designed by Maxton Design for the M Performance models, these lower bumper add-ons complete the look of the diffuser area, tighten up the stance and deliver that factory-plus appearance enthusiasts want. We run these on customer cars and the fit, finish and transformation are spot on.

Why you will love them

• Vehicle specific for the F40 platform M Sport and M135i 2019 on for precise alignment and clean lines
• Piano black finish to tie in with existing body styling and trims for a cohesive OEM look
• Durable ABS construction for everyday road use with excellent impact resistance and flexibility
• Accentuates the lower valance and diffuser area for a more aggressive rear profile
• Sold as a matched left and right pair to balance the rear bumper corners

Compatibility

Fits: BMW 1 Series F40 M Sport 2019 on and BMW 1 Series F40 M135i 2019 on.

Important fitment note: fits only with BM-1-F40-MPACK-RS2. Part number reference: BM-1-F40-MPACK-RS2.

What is included

• Rear bumper corner extensions V4 - left and right

Material and finish

Manufactured from ABS plastic for strength and flexibility, supplied in a high gloss black finish that is ready to install.

Installation

Professional fitting is recommended for best results. Book expert installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Fitting guide: Download Maxton Design rear side splitters fitting manual.

Transit protection

Supplied with a removable protective film to prevent marks during shipping. Peel away before installation to reveal the flawless gloss surface.

Why buy from MJ Modifications

We supply and fit Maxton Design styling parts day in, day out. Customers consistently praise the alignment, quality and the instant visual upgrade these corner blades deliver on the F40. Trusted, enthusiast run and focused on getting your car looking right.

Looking for search terms such as rear bumper corner trims, rear valance extensions, diffuser side blades, rear corner winglets, lower bumper fins, ground effects for BMW F40, M135i xDrive rear corner add-ons, M Pack rear bumper corner pieces, piano black rear corner spoilers or side skirt style rear caps for the 1 Series F40 hatchback. This is the exact upgrade you need.