BMW 3 Series M340i G20 (Pre - LCI) Carbon Fibre Rear Diffuser by Adro (2018 - 2022) - AUTOID - Rear Diffusers - Adro

BMW 3 Series M340i G20 Pre-LCI Carbon Fibre Rear Diffuser by Adro (2018-2022)

£1,145
Sale price  £1,145 Regular price 
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BMW 3 Series M340i G20 (Pre - LCI) Carbon Fibre Rear Diffuser by Adro (2018 - 2022) - AUTOID - Rear Diffusers - Adro
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BMW 3 Series M340i G20 Pre-LCI Carbon Fibre Rear Diffuser by Adro (2018-2022)

SKU: A14A60-1301
£1,145
Sale price  £1,145 Regular price 
4.0
Rated 4.0 out of 5 stars
4.0 Stars (1 Review)
2 Year Warranty
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Built to order. Estimated 8-10 week lead time. Contact us to confirm as lead times can be quicker depending on current orders with Adro.
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ADRO Carbon Fibre Rear Diffuser for BMW M340i / 3 Series G20/G21 Pre-LCI (2019–2022)

As official ADRO distributors, AUTOID presents the ADRO Carbon Fibre Rear Diffuser for the BMW M340i and 3 Series M Sport G20/G21 pre-LCI models. Constructed from 2x2 weave carbon fibre - the same weave specification used in BMW's own Genuine M Performance parts - this diffuser provides an OEM-quality aesthetic upgrade to the rear of the 3 Series that sits comfortably alongside factory carbon components without looking out of place.

The ADRO rear diffuser replaces the factory undertray section at the rear bumper with a structured carbon fibre component that adds visual aggression to the rear of the car. Its design was developed specifically for the G20/G21 pre-LCI bumper profile, ensuring a seamless integration that requires no cutting, trimming, or modification of the vehicle. All installation hardware is included.

This diffuser is one part of ADRO's complete carbon fibre programme for the M340i, which also includes a front splitter, side skirts and a rear spoiler available through AUTOID.

Key Features

  • ADRO carbon fibre 2x2 weave - same specification as BMW Genuine M Performance parts
  • Engineered specifically for BMW G20/G21 pre-LCI bumper (2019–2022 build dates)
  • Direct bolt-on to existing rear bumper - all installation hardware included
  • Part of ADRO's full carbon kit for the M340i (front splitter, side skirts, spoiler also available)
  • AUTOID is an official authorised ADRO distributor
Fitment / Compatibility
Model Years Chassis Body Style Notes
BMW M340i 2019–2022 G20 Saloon Pre-LCI only
BMW M340i 2019–2022 G21 Touring/Estate Pre-LCI only
BMW 3 Series M Sport 2019–2022 G20 Saloon Pre-LCI only
BMW 3 Series M Sport 2019–2022 G21 Touring/Estate Pre-LCI only
FAQs

Q: Is this the same quality as BMW Genuine M Performance carbon?

A: The ADRO diffuser uses the same 2x2 weave specification and gloss lacquer finish as BMW M Performance carbon parts. Visually indistinguishable - though it is an aftermarket component, not produced by BMW.

Q: Will this fit the post-2022 LCI G20?

A: No. This diffuser is for the pre-LCI G20/G21 (2019–2022). The LCI has a revised rear bumper. Contact us for LCI-specific options.

Q: What else is available from ADRO for the M340i?

A: AUTOID stocks the full ADRO programme for the M340i pre-LCI: front splitter, side skirts, rear diffuser (this product) and rear spoiler. Contact info@autoid.co for a full kit quote.

Q: Can I install this at home?

A: Yes. The diffuser attaches to existing rear bumper mounting points with all hardware included. Most owners complete the installation in under an hour.

Finance

Looking for a bit of flexibility when it comes to paying? We've got you covered. AUTOID has partnered with a number of payment providers to ensure a seamless buying experience.

Klarna
Select 'Klarna' at checkout to benefit from a number of finance options at checkout including:

  • Pay Later - Delay payment by up to 30 days, interest free
  • Split Payments - Split payments in 3 up to 3 months, interest free
  • Installments - Split payments up to 6 months interest-free, up to 24 months interest bearing.
  • 6 months - Interest-free Credit- Minimum: £250- Maximum: £5,000- 0% down payment/deposit​
  • 12 months - Interest-free Credit- Minimum: £250- Maximum: £5,000 Deposits are available and determined by the customer​:
    - 0% down payment for orders between £250 and £1000 (orders cannot be below £250)
    - 10% - 50% down payment for orders between £1000.01 and £5000
  • 24 months - Interest-bearing Credit - 18.9%- Minimum: £250- Maximum: £5,000
    Deposits are available and determined by the customer:
    - 0% down payment for orders between £250 and £1000 (orders cannot be below £250)
    - 10% - 50% down payment for orders between £1,000.01 and £5,000

Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Csand late fees apply.

Clearpay
Clearpay lends you a fixed amount of credit to allow you to pay for your purchase over 4 instalments (T&C's and eligibility criteria apply). They're ideal for purchases under £1000 and always offer interest-free*. For more details on how to use Clearpay to secure your order, get in touch with our team.

0% Interest. Select 'Clearpay' at checkout.

Please shop responsibly and visit lender websites for more information. All finance options are suitable for individuals 18+.

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4.0
Rated 4.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 0 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
1 review
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    BMW 3 Series M340i G20 Pre-LCI Carbon Fibre Rear Diffuser by Adro (2018-2022)
    I recommend this product
    Rated 4 out of 5 stars
    1 month ago
    4 Stars

    Absolutely love the new carbon rear diffuser however it doesn’t reallt snap on properly into tho bumper. Bumper clips are fine but it’s slightly sticking out. Also would’ve been great if ADRO would include the little piece that goes on the tow hook cover thing.

WHY BUY FROM AUTOID

AUTOID is the leading destination for BMW M, Audi & VW aftermarket styling & Premium Carbon fibre upgrades. From front splitters and rear diffusers to intakes, exhausts and interior accessories, we deliver only the highest quality parts that transform your cars look and feel. Trusted by thousands of enthusiasts worldwide and rated 4.85/5. We back our products up with expert advice, fast worldwide shipping and a passion for innovation & vehicle styling.

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