Skip to product information
BMW G90 M5 Carbon Fiber Rear Diffuser
$4,400.00
- Part number
- A14B30-1301
- Fits
Not sure it suits your car? Send us your VIN or rego and we'll confirm fitment before you order. Check fitment
Order-In Performance Part • Stepney, Adelaide
or 4 interest-free payments of $1,100.00 with Afterpay
CHECK FITMENT BEFORE YOU BUY
CHASSIS FITMENT NOTICE
100% PLATFORM COMPATIBILITY VERIFIED
Every order is cross-referenced against vehicle specifications, chassis diagrams, and manufacturer technical bulletins prior to order submission to eliminate incorrect part risk.
VIN / Rego Verification: Please supply your vehicle registration or VIN when submitting your enquiry so our technicians can verify fitment before order finalization.
FITMENT GUARANTEED
Every part checked against vehicle specs, registration, or VIN before order finalization.
1-2 WEEK TYPICAL LEAD TIME
Sourced direct from verified manufacturers with active supplier order tracking.
TRANSPARENT FREIGHT
Ships direct from the Australian supplier. Freight is calculated at checkout.
PROFESSIONAL INSTALLATION AVAILABLE
In-house fitting and calibration in Stepney, Adelaide.
Manufacturer's warranty on every part. Faulty, damaged or not what you ordered? Tell us within 7 days and we cover the return freight. Returns and warranty · Shipping
Product description
ADRO's prepreg carbon rear diffuser for the G90 M5 was designed from 3D scans of the car and checked with CFD testing. Its deeper fins help manage airflow and reduce rear lift, and it lines up with the factory rear bumper with no trimming. It has a high-gloss finish.
It matches ADRO's G90 M5 lip, side skirts and spoiler if you want the full kit. Send us a few photos and we'll confirm fitment before you order.
Key Features:
-
Prepreg Carbon Fiber Construction: Built from premium materials for maximum strength, reduced weight, and a flawless carbon finish.
-
Precision OEM Fitment: Engineered for perfect alignment with the G90 M5’s rear bumper no trimming or modifications required.
-
CFD Validated Aerodynamics: Optimized using Computational Fluid Dynamics to reduce drag and enhance high speed stability.
-
Aggressive Design Language: Deep fins and sharp cut lines give the rear profile a motorsport inspired edge.
Vehicle Fitment
Send a few photos of your car to addison@sl-autowerkes.com and we'll confirm fitment before you order.
Before you paint or fit it
When it arrives, check the label on the packaging matches the part you ordered, and test-fit it before painting or fitting. We can't accept a return or warranty claim once a part has been altered or is no longer in new, resalable condition.
More parts for the BMW M5 & M8: CSL YELLOW DRL LED MODULES : BMW M8 F91 F92 F93 G14 G15 G16 and Project Gamma BMW M5 G90 / G99 and 7 Series G70 / G73 Silicone Intakes and Filters. See all BMW M5 & M8 parts.
Delivery and fitting
ORDER-IN & LOGISTICS
PRE-PURCHASE & SHIPPING FAQ
How does the order-in process work?
We verify live supplier inventory and issue a comprehensive written quote covering the part, current AUD pricing, GST, and tailored freight to your address (or free Stepney collection). Once you review and approve the quote and vehicle fitment is confirmed, your order is secured directly with our manufacturer allocation.
What are the estimated delivery times?
Typical delivery is 1 to 2 weeks for air freight sourced directly from verified European and international manufacturers. Active consignment tracking is maintained throughout transit until parts arrive at our Stepney workshop for collection, workshop installation, or dispatch to your door.
Can I pick up or have parts installed locally?
Yes. Free local collection is available from our Stepney workshop facility in Adelaide. We also offer professional in-house fitting, alignment, and calibration by European platform technicians. Simply select "Supply and fit at Stepney" when submitting your enquiry.
What happens if fitment is uncertain?
Our workshop technicians cross-reference manufacturer technical schematics, platform codes (such as S58, B58, S63TU), and your vehicle registration or VIN before placing the order. If there are model-year variations, aftermarket modifications, or clearance concerns, our team confirms compatibility with you and the supplier prior to commitment.
Questions
Questions about this part?
Tell us your car's model, year and VIN or rego and we'll confirm fitment, lead time and freight before you pay anything. Quote part number A14B30-1301 when you get in touch.
More answers on our FAQ page, or visit the workshop at Unit 81, 75–91 Magill Road, Stepney SA.
Enquire about this part
Tell us about your car and we will confirm fitment, availability and a quote. Parts are ordered in; freight is quoted separately. This enquiry does not place an order.
