Size Chart
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ADRO A14A50-1301 is the G80 M3 option on this listing. Choose the separate G82 M4 option for an M4 coupe; only the selected option is supplied. Both exact rear-diffuser variants exclude the M Performance center-exhaust configuration.
| Years | Make | Model | Application |
|---|---|---|---|
| 2021–2026 | BMW | M3 | Select the G80 M3 option; Standard/Competition where offered; no M Performance center exhaust |
| 2021–2026 | BMW | M4 | Select the G82 M4 coupe option; no M Performance center exhaust |
| Confirm market/build | BMW | M3 Touring | Manufacturer-listed regional application for M3 option; confirm exact G81 build |
This page contains separate G80 M3 and G82 M4 product choices, each with its own part number and dimensions. Match the selected vehicle option before ordering; the M3 and M4 parts are not both included. Current bounded sedan/coupe applications run through 2026. Regional M3 Touring fitment requires exact build confirmation. ADRO explicitly excludes M Performance center exhaust on both diffuser product pages.
| Detail | Value |
|---|---|
| Brand | ADRO |
| Manufacturer Part Number | A14A50-1301 |
| Material | Prepreg carbon fiber |
| Condition | New |
| Fitment Type | Vehicle-specific |
| G82 M4 manufacturer part number | A14A40-1301 |
| G80 M3 manufacturer dimensions | 721 × 1,760 × 276 mm |
| G82 M4 manufacturer dimensions | 698 × 1,860 × 300 mm |
| G80 M3 manufacturer part number | A14A50-1301 |
| G82 M4 manufacturer part number | A14A40-1301 |
ADRO develops vehicle-specific aerodynamic and exterior components, including spoilers, splitters, diffusers, side skirts, body kits, trim, and carbon-fiber upgrades. Select every part by exact vehicle and exterior configuration.
Related products are separate purchases. Match each product’s own application and mounting requirements.
This is the vehicle-selected G80 M3 or G82 M4 rear diffuser package described above.
Which application is supported?This page contains separate G80 M3 and G82 M4 product choices, each with its own part number and dimensions. Match the selected vehicle option before ordering; the M3 and M4 parts are not both included. Current bounded sedan/coupe applications run through 2026. Regional M3 Touring fitment requires exact build confirmation. ADRO explicitly excludes M Performance center exhaust on both diffuser product pages.
What is the separate G82 M4 diffuser option?This is the separate G82 M4 rear diffuser option. Select it for the listed M4 coupe application; it is not supplied with the M3 option.
Does it fit M Performance center exhaust?No. Both exact manufacturer diffuser pages exclude the M Performance center-exhaust configuration. Match the exhaust layout before ordering.
What is supplied?One selected-vehicle rear diffuser; 3M tape; Screws; Installation manual. Other components shown on an installed vehicle are separate unless listed here.
Will the finish match another part?Finish and visible material patterns can vary between separately produced parts. Exact visual matching is not guaranteed.
Should the part be test-fitted?Yes. Confirm alignment, mounting surfaces and clearance before fastening or using any manufacturer-specified adhesive.
How should the exterior finish be maintained?Use finish-safe wash products, avoid abrasive compounds unless approved, and inspect mounting points regularly.
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