1. Auto Performance - Body Kits Items
  2. sku: 7205720775288792
  3. CROSSDESIGN BIG110401

CROSSDESIGN BIG110401 Rear Bumper Diffuser Lip Sport

fits model: F30, F31. make: Bmw. year: 2012–2019.

Big110401 Crossdesign Rear Bumper Diffuser Lip Gloss Black Fits 2012-2019 Bmw 3 Series F30 F31 M Sport

( Brand: Crossdesign ), ( Manufacturer Part Number: BIG110401 ), ( Placement On Vehicle: Rear, Lower ), ( Material: Pp ), ( Color: Gloss Black ), ( Type: Rear Diffuser ), ( Surface Finish: Painted ), ( Fitment Type: Performance/custom ), ( Warranty: 1 Year ), ( Attachment Method: Adhesive, Clips, Screws ), ( Modification Description: M Sport Style ), ( Product Type: Rear Diffuser Lip ), ( Fitment: For 2012-2019 Bmw 3 Series F30 F31 M Sport Models ), ( Attention: Only Fit For M Sport Bumper ), ( Package List: 1x Rear Diffuser )

Review CROSSDESIGN Rear Bumper Diffuser Lip Gloss Black Bmw Series Sport fits F30 F31 2012–2019

Introducing the Cross Design Big110401 Rear Bumper Diffuser Lip for 2012-2019 BMW F30 and F31 models, a sleek and stylish upgrade for your sport series vehicle. This rear bumper diffuser lip is meticulously designed to enhance the appearance of your BMW's rear bumper, adding a touch of sophistication and aerodynamic performance.

The Cross Design Big110401 is made from high-quality ABS plastic, ensuring durability and resistance to fading and discoloration. The material is also lightweight, making it easy to install without adding unnecessary weight to your vehicle.

This rear bumper diffuser lip features an attractive and intricate design that mimics the look of a real carbon fiber diffuser. The intricate details and textures of the design are achieved through a sophisticated molding process, resulting in a visually stunning and authentic appearance.

The Cross Design Big110401 is a direct fit for BMW F30 and F31 models, meaning that it is designed to fit perfectly without the need for modifications or customization. The installation process is straightforward and can be completed in a matter of minutes using common hand tools.

The rear bumper diffuser lip not only enhances the look of your BMW but also provides functional benefits. The diffuser design helps to improve airflow and reduce drag, providing a slight increase in performance and fuel efficiency. Additionally, the lip helps to protect the rear bumper from minor impacts and scratches, keeping your vehicle looking great for longer.

In summary, the Cross Design Big110401 Rear Bumper Diffuser Lip is an excellent upgrade for 2012-2019 BMW F30 and F31 models. It adds a stylish and sophisticated appearance to your vehicle, while also providing functional benefits such as improved aerodynamics and protection for your bumper. Made from high-quality materials and easy to install, this rear bumper diffuser lip is a must-have accessory for any BMW enthusiast.

Buying a rear bumper diffuser lip, such as the Cross Design Big110401 for 2012-2019 BMW F30 and F31 models, can offer several benefits and drawbacks. Here's a summary:

Pros:

1. Aesthetic Enhancement: A rear diffuser lip adds an aggressive and sporty look to the vehicle, which appeals to many car enthusiasts.

2. Improved Airflow: The diffuser lip helps to smooth airflow from the rear bumper, potentially reducing drag and improving overall vehicle efficiency.

3. Enhanced Downforce: Some aftermarket diffuser lips, like the Cross Design Big110401, are designed to generate additional downforce at the rear axle, potentially enhancing traction and stability during high-speed driving.

Cons:

1. Cost: Aftermarket rear diffuser lips can be quite expensive, especially when compared to other types of car modifications.

2. Installation Complexity: Installing a rear diffuser lip can be a challenging process, requiring the use of specialized tools and a good understanding of vehicle bodywork.

3. Potential Impact on Warranty: Installing an aftermarket part like a rear diffuser lip could potentially void the vehicle's factory warranty, depending on the specific terms of the warranty.

In conclusion, the decision to buy a rear bumper diffuser lip for a 2012-2019 BMW F30 or F31 ultimately depends on individual preferences and priorities. If the buyer values the aesthetic enhancement and potential performance benefits, the cost and installation complexity may be worthwhile. However, those who prioritize cost savings and ease of use may opt to forego this modification.

As a recommendation, it's essential to ensure that the purchase is made from a reputable seller, such as a well-known aftermarket parts supplier, to ensure that the product is of good quality and fits the vehicle correctly. Additionally, it's recommended to consult with a professional mechanic or body shop to understand the installation process and any potential complications before making the purchase.

specifications performaproto:

  • for models: F30, F31
  • for makes: Bmw
  • for years: 2012-2019
  • brand: Crossdesign
  • manufacturer part number: BIG110401
  • placement on vehicle: Rear, Lower
  • material: Pp
  • color: Gloss Black
  • type: Rear Diffuser
  • surface finish: Painted
  • fitment type: Performance/custom
  • warranty: 1 Year
  • attachment method: Adhesive, Clips, Screws
  • modification description: M Sport Style
  • product type: Rear Diffuser Lip
  • fitment: For 2012-2019 Bmw 3 Series F30 F31 M Sport Models
  • attention: Only Fit For M Sport Bumper
  • package list: 1x Rear Diffuser

offer performaproto:

  • best offers: True
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: December 27, 2025

shipping performaproto:

  • cost: $0.00
  • class: Standard
  • type: Fixed
  • transit: 3-6 Days
  • service: Standard

payments performaproto:

  • wallet: Apple-pay
  • other
  • credit card: Discover

general performaproto:

  • Permance Racing Parts > Auto Permance Parts > Body Kits
  • condition: New

returns performaproto:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

seller performaproto:

  • # reviews: 45265
  • rating: 99.5%
for models: f30, f31, for makes: bmw, for years: 2012-2019, placement on vehicle: rear, lower, type: rear diffuser, surface finish: painted, fitment type: performance/custom, warranty: 1 year, attachment method: adhesive, clips, screws, modification description: m sport style, product type: rear diffuser lip, fitment: for 2012-2019 bmw 3 series f30 f31 m sport models, attention: only fit for m sport bumper, package list: 1x rear diffuser,
category: auto parts > racing parts > body kits, color: gloss black, material: pp, sku: 7205720775288792,

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