Rieger Rear Quad Diffuser for BMW 1 Series E82/E88 (Coupe & Convertible) - M-Technic/M Sport Rear Bumper - Fits 118i 120i 128i 135i - 4x80mm Quad Exhaust

Rieger Quad-Outlet Rear Valance Insert for 1 Series E82 E88 with Sport Package Bumper

Give your 1er a sharper, motorsport-inspired rear end with this German-made Rieger lower bumper insert. Engineered specifically for the E82 Coupé and E88 Cabriolet fitted with the factory Sport/M-Technic rear apron, this direct-swap panel accepts twin tailpipes on both sides for a proper quad exit look with 4 x 80 mm openings.

Precision-moulded from high quality ABS, the fitment is OE-style and the finish is superb. We have installed this part in-house and customer feedback has been consistently excellent. Expect a clean, aggressive aesthetic that suits everything from a subtle street build to a full performance conversion on 118i, 120i, 128i and 135i models.

Why enthusiasts choose this Rieger rear insert

• Purpose-built for E82 Coupé and E88 Convertible with the Sport/M-Technic rear apron
• Quad-tailpipe layout with twin outlets left and right, 4 x 80 mm tailpipe apertures
• Direct replacement lower panel for seamless OE-style fitment
• Durable ABS construction, manufactured in Germany by Rieger
• Transforms the rear profile with a bold, performance-focused look
• Ideal for quad exit conversions and aesthetic upgrades

What’s in the box

• Rear lower diffuser/valance insert
• Mounting hardware
• Certificate

Vehicle fitment

• 1 Series E82 and E88
  • 118i, 120i, 128i, 135i
  • For cars equipped with the factory M Sport/M-Technic rear bumper
• Suitable for right-hand drive and left-hand drive vehicles

Installation

Professional fitting is recommended for the best result and alignment. We can install this item at MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Compatibility check

For peace of mind before dispatch, provide your UK registration or the last 7 characters of your VIN at checkout and we will confirm suitability for your vehicle.

Part number: 00099135

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Upgrade your 1 Series today with this Rieger quad-outlet rear insert and enjoy the clean, purposeful look that enthusiasts want with the factory-level fit you can trust.