Rieger Rear Diffuser/Valance/Apron Lower Bumper Trim/Insert for BMW 1 Series Hatchback F20 F21 LCI (2015-2019) M135i & M140i Twin Exit/Dual Outlet - ABS - Gloss Black, Matte Black or Carbon Look

Rieger ABS rear valance for BMW F20 F21 LCI M135i and M140i

Give the back end of your BMW hatch a sharper, motorsport-inspired finish with this German-made Rieger lower bumper insert. Tailored to the facelift F20 and F21 from 2015 onwards, it replaces the factory lower panel on M135i and M140i models for a clean OEM-plus look that complements the twin outlet system. Manufactured from high quality ABS and available in Gloss Black, Matte Black or Carbon Look, it is a smart, durable styling upgrade that elevates the stance of your 1 Series without looking overdone.

We run this part on our own cars and the feedback from MJ Modifications customers has been consistently positive on fit, finish and the way it completes the rear profile. If you are searching for a premium rear valance, rear apron or lower bumper trim for your F20 or F21 LCI, this Rieger piece is the go-to choice for quality and fitment.

Highlights

• OEM-style fit for facelift BMW 1 Series F20 and F21 M135i and M140i
• German manufacture by Rieger for consistent panel gaps and tidy edges
• Durable ABS construction suitable for daily use
• Enhances the twin exit layout for a more purposeful factory-look finish
• Ideal for enthusiasts wanting a subtle performance rear end upgrade

Finishes and part numbers

• Carbon Look pattern - Part number 99605
• Matte Black - Part number 35066
• Gloss Black - Part number 88171

Vehicle compatibility

• BMW 1 Series F20 5-door LCI 2015 onwards - M135i and M140i
• BMW 1 Series F21 3-door LCI 2015 onwards - M135i and M140i
• Not suitable for pre-facelift models
• For non-M135i or non-M140i cars a dual exit exhaust conversion is required

Good to know

• OEM rear reflectors are not included
• ABS material offers a robust, long-lasting finish

Why this Rieger lower bumper insert

This rear apron delivers that sought-after factory-plus aesthetic with straightforward, OEM-style fitment. It is a straight swap for the standard lower piece on LCI M135i and M140i models and pairs perfectly with the twin outlet layout. The choice of Gloss Black, Matte Black or Carbon Look helps you match or contrast other exterior trims for a cohesive appearance.

Fitting and installation

Designed for a simple swap on LCI M135i and M140i models. For professional installation and peace of mind, book our in-house fitting service at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

We verify fitment prior to shipping. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm suitability for your F20 or F21 LCI M135i or M140i.

Customer feedback

Owners consistently praise the snug fit, tidy finish and how this rear valance sharpens the rear end of the car. It is a popular choice for both daily drivers and weekend builds seeking a premium, OEM-style upgrade.

Gallery

Gloss Black version

Carbon Look version pictured on a pre-facelift car to show the finish only. This is not the LCI item.

Customer cars

Brand

Rieger

Ready to upgrade

Select your finish and transform the rear of your F20 or F21 LCI M135i or M140i with a premium, OEM-style Rieger lower bumper insert that looks right at home on the car.

Popular search terms

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