BMW M340i rear diffusers

9 rear diffusers for the G20 BMW M340i (B58 3.0L turbo inline-six) from 5 brands. Rear diffusers and rear bumper trim.

Before you order

Diffusers are specific to the bumper type and to the exhaust tip layout. Confirm both.
Listings are read from the retailer's G20 M340i (B58 3.0L) category. Many parts fit both rear-wheel-drive and xDrive cars, but not all. Confirm drivetrain, model year and options on the retailer page before ordering.

Brands on this page: 3D Design (2), AUTOTECKNIC (2), Suvneer (2), Turner Motorsport (2), Enthusiast Bundles (1).

Lips / Spoilers / Skirts (6)

3D Design · Part no. 3108-32021
Carbon Rear Diffuser
Make your G20's rear end look even more aggressive!
Retailer fitment note: For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for 3D Design Carbon Rear Diffuser (opens the retailer site)
AUTOTECKNIC · Part no. ATK-BM-0353
Dry Carbon Extended-Fin Competition Rear Diffuser - G20 3-SERIES
Carbon diffusor for M-Performance rear valance on your 3-Series
Retailer fitment note: Requires M-Performance Rear Valence For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for AUTOTECKNIC Dry Carbon Extended-Fin Competition Rear Diffuser - G20 3-SERIES (opens the retailer site)
AUTOTECKNIC · Part no. ATK-BM-0345
Dry Carbon Performante Rear Diffuser - G20 M340I PRE-LCI
Give your car a more aggressive look with this dry carbon rear diffuser! Estimated 4-6 week production time - MADE TO ORDER
Retailer fitment note: For Pre-LCI And Aftermarket Exhaust Only For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for AUTOTECKNIC Dry Carbon Performante Rear Diffuser - G20 M340I PRE-LCI (opens the retailer site)
Enthusiast Bundles · Part no. 008653LA01EBKT
G20 M340 ABS Diffuser & ABS Rear Window Spoiler
Gloss Black ABS Styling package includes both the rear diffuser as well as the complimentary gloss black rear window spoiler. A full vehicle facelift!
Retailer fitment note: For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for Enthusiast Bundles G20 M340 ABS Diffuser & ABS Rear Window Spoiler (opens the retailer site)
Suvneer · Part no. G20PDIFF340GB
M Performance Style Glossy Black Diffuser - G20 M340
M Performance inspired glossy black plastic diffuser for G20 M-Sport. Direct Bolt on, no modification required.
Retailer fitment note: For M Sport Bumpers only For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for Suvneer M Performance Style Glossy Black Diffuser - G20 M340 (opens the retailer site)
Suvneer · Part no. G20PDIFF340-MB
M Performance Style Matte Black Diffuser
Designed to resemble the M-Performance line!
Retailer fitment note: For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for Suvneer M Performance Style Matte Black Diffuser (opens the retailer site)

Body Kits (3)

3D Design · Part no. 3108-32011
G20 3-Series M-Sport Carbon Rear Diffuser
The perfect addition to the stock M Sport rear bumper.
Retailer fitment note: For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for 3D Design G20 3-Series M-Sport Carbon Rear Diffuser (opens the retailer site)
Turner Motorsport · Part no. 008653LA01
G20 M340i/xDrive Turner Motorsport Gloss Black Diffuser
Transform the rear end of your M340 with this Beautiful Gloss Black Diffuser! Custom designed to accentuate the body lines.
Retailer fitment note: Does not fit factory exhaust tips For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for Turner Motorsport G20 M340i/xDrive Turner Motorsport Gloss Black Diffuser (opens the retailer site)
Turner Motorsport · Part no. 013748LA01
Turner Motorsport Carbon Fiber Diffuser - G20 M340i / xDrive
Transform the rear end of your M340 with this Beautiful Carbon Fiber Diffuser! Custom designed to accentuate the body lines.
Retailer fitment note: Does not fit factory exhaust tips For Pre-LCI vehicles only (production date up to 07/2022)
Check price at ECS Tuning for Turner Motorsport Turner Motorsport Carbon Fiber Diffuser - G20 M340i / xDrive (opens the retailer site)

BMW M340i rear diffusers

Before you order

Lips / Spoilers / Skirts (6)

Carbon Rear Diffuser

Dry Carbon Extended-Fin Competition Rear Diffuser - G20 3-SERIES

Dry Carbon Performante Rear Diffuser - G20 M340I PRE-LCI

G20 M340 ABS Diffuser & ABS Rear Window Spoiler

M Performance Style Glossy Black Diffuser - G20 M340

M Performance Style Matte Black Diffuser

Body Kits (3)

G20 3-Series M-Sport Carbon Rear Diffuser

G20 M340i/xDrive Turner Motorsport Gloss Black Diffuser

Turner Motorsport Carbon Fiber Diffuser - G20 M340i / xDrive

More BMW M340i parts