Maxton Design Gloss Black Central Rear Splitter with Vertical Bars for BMW E46 3 Series Coupe M Sport/M Pack 1999-2003 (Rear Diffuser Lip)

Maxton Design Centre Diffuser with Fins in Gloss Black for BMW 3 Series E46 Coupe Sport Package 1999-2003

Transform the rear of your E46 two door with this Maxton Design centre diffuser lip. Designed for cars equipped with the factory Sport package bumper, this piano black lower spoiler adds a purposeful, motorsport-inspired finish with tidy fins that look factory-plus. The fit is tailored to the 1999 to 2003 BMW 3 Series E46 Coupe, delivering a clean, aggressive aesthetic that elevates your OEM styling without looking overdone.

Highlights

• Direct-fit centre diffuser insert for BMW 3 Series E46 Coupe with M-Technic bumper 1999-2003
• Integrated fins and strakes for a sharper rear-end look and enhanced stance
• Made from automotive-grade ABS polymer for durability and impact resistance
• TUV MATERIALGUTACHTEN certified material for quality assurance
• High gloss black finish for a premium, OEM+ appearance
• Alternative surface styles available: textured black and carbon-look
• Optional self-applied accent stripe in red or white. Dispatched without stripe unless selected
• Package includes: centre diffuser lip

Why this E46 rear upgrade works

If you want that clean OEM+ rear profile, this under-bumper valance extension is the smart choice. The sleek gloss finish and tidy fins deliver a performance look that complements the factory Sport bumper perfectly. Built from tough ABS, it is ideal for daily-driven cars and enthusiast builds alike, striking the right balance between style, practicality and longevity.

Material and finish

Manufactured from quality ABS, the same type of material used widely across OEM exterior trim, this diffuser insert offers strength, flexibility and a consistent finish. The material carries TUV MATERIALGUTACHTEN certification, helping ensure a dependable standard that sits right at home on your E46.

Compatibility

• Vehicle: BMW 3 Series E46 Coupe, 2 door
• Bumper: Sport package M-Technic rear bumper
• Years: 1999, 2000, 2001, 2002, 2003

What is included

• Maxton Design centre diffuser lip with fins
• Optional red or white styling stripe for self-install if selected

Fitting service

Professional installation is recommended for best alignment and finish. MJ Modifications in Warwickshire can install this part for you. Request a fitting quote at info@mjmodifications.co.uk.

Trusted by enthusiasts

We run Maxton Design aero on our own builds and our customers consistently praise the fit, finish and visual impact. Expect a tidy, premium look that pairs beautifully with the E46’s lines and the factory Sport rear bumper.

Helpful search terms

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