BMW G30 EC Style Carbon Fiber Rear Diffuser
Category Rear Diffusers
Brand CenCal Motorsport
Order status In stock - ready to ship
Build data

Specs that matter for this part

Hardware

Key hardware

See product description for included components and manufacturer details.

Validation

Install notes

DIY-friendly; professional help recommended for custom setups.

Requirement

Before checkout

Use the variant selector and product description to match the correct application before ordering.

BMW G30 EC Style Carbon Fiber Rear Diffuser

Are you tired of the bland and boring plastic diffuser that comes standard from BMW on your G30 5 Series? Then you need to check out this EC Style Carbon Fiber Rear Diffuser. Designed to fit all 2017–2020 G30 5 Series models equipped with the M Sport package, this diffuser transforms the rear-end appearance from subtle to aggressive in just a couple of hours.

This EC Style Diffuser is constructed using genuine carbon fiber and is designed to perfectly match other RW Carbon fiber parts and accessories on your vehicle. The aggressive EC styling enhances the rear profile while maintaining OEM-level fitment and premium quality.

The diffuser allows compatibility with both OEM exhaust tips and aftermarket quad-tip exhaust setups, making it a versatile upgrade for a wide range of builds.

Key Features & Benefits

EC Style Diffuser Design
  • Aggressive rear-end styling inspired by motorsport aesthetics
Genuine Carbon Fiber Construction
  • Lightweight and durable premium carbon fiber build
OEM+ Carbon Fiber Match
  • Designed to pair seamlessly with other RW Carbon accessories
Compatible with OEM & Quad Tips
  • Works with factory exhaust tips or aftermarket quad-tip exhaust systems
Premium Fitment & Finish
  • Quality checked for precise alignment and OEM-style appearance
Transforms Rear-End Appearance
  • Gives your G30 a more aggressive and performance-inspired look

Installation

  • Professional installation is strongly recommended
  • Installation requires removal of the entire rear bumper
  • Screws must be inserted into the diffuser tabs during installation
  • RW Carbon recommends installation by RW Carbon or an RW authorized dealer
  • For additional installation information contact info@rwcarbon.com

Fitment

  • 2017–2020 BMW G30 5 Series
  • 530i
  • 530e
  • 540i
  • M550i
  • M Sport Models Only

Note: Does not fit LCI models.

Additional Notes

M550i Compatibility Note
  • M550i stock exhaust tips may create slight interference with this diffuser
  • A small modification may be required
  • Please contact cory@rwcarbon.com or call 714-328-4406 for more information

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