Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Adro BMW G20 M340I Pre-LCI Rear Diffuser

Adro BMW G20 M340I Pre-LCI Rear Diffuser

$1,200.00
/

Fitment:

Make: BMW

Model: 2020-2022 BMW G20 M340i Pre-LCI

Year: 2020-2022

  • Free Shipping within the Continental US | Worldwide Shipping AVAILABLE

Give your 2020-2022 BMW G20 M340i (Pre-LCI) an aggressive rear-end upgrade with this premium carbon fiber diffuser. Hand-crafted for perfect fitment, it enhances aerodynamics and delivers a race-inspired look.

Modify your car with BayOptiks

Next Button
Prev Button
Poster Image 1 Play Button
Poster Image 2 Play Button
Poster Image 3 Play Button
Poster Image 4 Play Button
Poster Image 5 Play Button
Poster Image 6 Play Button
Poster Image 7 Play Button
Poster Image 8 Play Button
 More payment options

Safe & secure checkout

Visa Mastercard Amex Discover PayPal GPay
Pickup available at BayOptiks Dublin Shop

Usually ready in 5+ days

Adro BMW G20 M340I Pre-LCI Rear Diffuser
BayOptiks Dublin Shop

Pickup available, usually ready in 5+ days

6743 Dublin Boulevard
#31
Dublin CA 94568
United States

Pickup Only

Pickup available, usually ready in 2-4 days

6743 Dublin Boulevard
#31
Dublin CA 94568
United States

The BMW G20 M340i (Pre-LCI) Rear Diffuser offers an aggressive aesthetic to complete the rear-end of the vehicle. Crafted from premium carbon fiber, this original design is hand-made and offers the best in the market, making it the perfect choice for BMW fans. Your opponents will appreciate the look of the rear as they lose the race.  

REAR DIFFUSER SPECIFICATIONS

SKU:

A14A60-1301

Compatible with:

2020-2022 BMW G20 M340i Pre-LCI

Material:

Wet Carbon Fiber

Dimensions:

TBA

Weight:

TBA

What’s in the box:

1 Rear Diffuser
2 Diffuser Side Fins
3M tape
Bolts/Screws
1 Installation manual
Installation Guide: TBA


We offer free shipping within the Continental U.S, for Headlights, Taillights, DRLs and Carbahn controllers. For Exterior and Performance products, standard shipping rates apply, We also ship worldwide, with rates automatically calculated at checkout.

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

  • Complete Headlights: 3-5 business days for order processing plus shipping time.
  • Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
  • New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
  • DRLs, Taillights and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
  • Lens Replacements: 1-3 weeks plus shipping time.
YOU MAY ALSO LIKE
pg_image
$1,200.00
Adro BMW G20 M340I Pre-LCI Rear Diffuser
Does the Adro BMW G20 M340I Pre-LCI Rear Diffuser make my car look cooler?
It gives your Bimmer a seriously aggressive look, especially from the back!
pg_image
$990.00
Adro BMW G20 M340I Pre-LCI Front Lip
What comes with the Adro BMW G20 M340I Pre-LCI Front Lip?
The Adro Front Lip, 3M tape, bolts, screws, and an installation manual.
pg_image
$477.27
BMW G80 M3 & G20 3 Series Carbon Fiber Mid Kick Center Flow Spoiler
What makes the BMW G80 M3 & G20 3 Series Carbon Fiber Mid Kick Center Flow Spoiler stand out?
Its exclusive mid-kick design with a center flow adds a touch of elegance, setting it apart from the crowd.
pg_image
$245.45
BMW G80 M3 & G20 3 Series Carbon Fiber Medium Kick Rear Spoiler
Does the BMW G80 M3 & G20 3 Series Carbon Fiber Medium Kick Rear Spoiler add a sporty look?
This spoiler adds a touch of subtle aggression to your 3 series, giving it a more dynamic and sporty appearance.
pg_image
$301.82
BMW G20 330i M340i CTM Style Gloss Black Rear Diffuser w/ Corner Spats (2019-2022)
What are the perks of adding the BMW G20 330i M340i CTM Style Gloss Black Rear Diffuser w/ Corner Spats to my ride?
This diffuser increases airflow, reduces drag, and boosts stability, all while giving your BMW a sporty look.
pg_image
Made by real people
We're a full-time shop with a dedicated team, all sharing a passion for modifying headlights and cars. We are focused on delivering an unsurpassed level of quality in our retrofit products and services, to ensure customer satisfaction..
pg_image
$580.00$650.00(10% off)
BMW G80 M3 & G20 3 Series Avante Carbon Fiber Spoiler
pg_image
$245.45
BMW G80 M3 & G20 3 Series Carbon Fiber PSM Style High Kick Rear Spoiler
pg_image
$255.00
BMW G80 M3 & G20 3 Series Carbon Fiber M Performance Style Rear Spoiler
Does the BMW G80 M3 & G20 3 Series Carbon Fiber M Performance Style Rear Spoiler boost the car's appearance?
Absolutely! This spoiler adds a touch of sporty aggression, perfectly complementing the car's natural lines.
pg_image
$140.00
BMW G80 M3 & G20 3 Series Gloss Black PSM Style High Kick Rear Spoiler
Does the BMW G80 M3 & G20 3 Series Gloss Black PSM Style High Kick Rear Spoiler enhance the car's appearance?
Absolutely! This spoiler adds a touch of sporty elegance to your BMW, giving it a custom look that sets it apart.
pg_image
$218.18
G20 3 Series BMW Diffuser Glossy Black 2019-2022
Will the G20 3 Series BMW Diffuser Glossy Black 2019-2022 elevate my 3 series?
Absolutely! This diffuser isn't just an accessory; it's a sleek upgrade that adds a touch of sporty elegance to your BMW.
pg_image
$138.00
BMW G80 M3 & G20 3 Series Gloss Black M Performance Style Rear Spoiler
pg_image
$4,160.00
Adro BMW G20 M340I Pre-LCI Full Body Kit
What sorcery makes up the Adro BMW G20 M340I Pre-LCI Full Body Kit?
A thrilling quartet: Front Lip, Rear Diffuser, Side Skirts, and Spoiler–transforming your ride.
pg_image
Covered by a 1-Year Warranty
We provide a 1-year warranty on all Headlight DRLs and Taillights, covering any manufacturing defects or malfunctions. For Headlight Retrofits, we offer a 1-year warranty on any defects related to the the services performed by BayOptiks.
pg_image
Our modification process
We carefully disassemble, inspect, and customize each part. Then, we put everything back together, testing both function and form to ensure it all works perfectly and meets our high standards to send it back to you!
pg_image
About Us
BayOptiks was established in 2016. The founder started modifying headlights as a hobby in his home garage which has now grown into a full time shop with a team of 8 who all share the same passion for modifying headlights and cars.
pg_image
$129.98$279.99(55% off)
BMW G20 3-Series M-Performance Rear Bumper Diffuser 2019-Present - Painted Glossy Black
Does the BMW G20 3-Series M-Performance Rear Bumper Diffuser - Painted Glossy Black - improve my car's aerodynamics?
Yes, this diffuser streamlines airflow for better stability and handling, especially at higher speeds.
Warranty Icon

Covered by a 1-Year Warranty

Shop with confidence and peace of mind! We provide a 1-year warranty on all Headlight DRLs and Taillights, covering any manufacturing defects or malfunctions. For Headlight Retrofits, we offer a 1-year warranty on any defects related to the services performed by BayOptiks.

Read More Link Icon

Why choose BayOptiks?

Made by real people

BayOptiks' journey started when our founder started modifying headlights as a hobby in his home garage. Today, we've grown into a full-time shop with a dedicated team, all sharing the same passion for modifying headlights and cars.

Here, we are focused on delivering an unsurpassed level of quality in our retrofit products and services, committed to ensure customer satisfaction.

We are located in Dublin, California, and for local customers, we offer in-house full-service for your needs, including headlight removal and reinstallation, restoration, repairs, and complete retrofit packages. Our location is 6743 Dublin Blvd, #17, Dublin, CA.

We Offer Local Install

If you're in Dublin, CA, BayOptiks offers professional installation services at our headquarters. Installation is available exclusively for products purchased through our site. Click here to request a quote today!

Perfect fit assured

We ensure our products are a perfect match for your ride by uniquely combining two factors:

Title imagePremium quality products

We offer only the highest quality products, giving you the confidence that it will be the perfect fit for your car.

Title imageExpertise & know-how

With over 8 years of expertise, we are the trusted experts to customize and assemble the perfect part for your vehicle.

Car Image

Transforming your ride

Your car should be more than just a vehicle—it should reflect your style and meet your needs.

Feature Icon 1Our customization services turn your ride into a true extension of your personality, with tailored upgrades that make it more enjoyable.

Feature Icon 2We focus on perfecting every detail, ensuring your car looks and feels exactly how you envision it.

You may also like

FAQs

Our custom products are built in-house at BayOptiks headquarters in Dublin, CA, USA. All other products are sourced from vetted manufacturers, and we perform in-house testing to ensure they meet our high-quality standards.

BayOptiks is located in Dublin, CA 94568, USA, where all of our custom products are also made.

Yes, all of our products can be installed at home.

Yes, we offer a 1-year warranty on all our products.

Our customization process is straightforward. You can either ship us your headlights or purchase new OEM headlights, which are required for customizations. For some headlights, we offer a Pre-Built option (a core exchange program) to minimize downtime for your car. If you choose this option, purchase our Pre-Built modified OEM headlights with an additional core deposit. Install the new headlights, send your old ones back to us, and we'll refund your core deposit in full! Here you can check all  Pre-Built options.

Yes, we offer installation services by appointment. If you're interested, click here.

No worries! All our products have been tested for compatibility and functionality. You can also check vehicle compatibility in the product descriptions on each product page.

We accept major credit cards, PayPal, Shop Pay, and payment plans through Affirm, Klarna, and Shop Pay.

Non-custom items are processed within 3-4 business days. Custom items require 6-8 weeks to build before shipping to ensure they are perfect for you.

You can track your order through your optional account or by checking the link on the order confirmation page for the latest status.

Each upgrade option works differently. Detailed descriptions with more information are provided on the product options page for your clarity.