Genuine BMW M Performance Axle-Back Rear Silencer/Muffler Back Box/Tailbox Sport Exhaust for 1 Series F20 F21 M135i & M135i xDrive (M135iX) N55 – OEM Rear Section, No Tips – 18302349989 F02 760Li Monotube gas pressure design for

Monotube gas pressure design for consistent damping and confident control

If you want a fit‑and‑forget solution from a brand enthusiasts trust

and pairs with a premium reusable S&B high-flow filter

knowledgeable support and proven results

OE-style features where applicable: wear sensor leads or slots for separate leads and anti-rattle clips

Genuine BMW M Performance Axle-Back Rear Silencer/Muffler Back Box/Tailbox Sport Exhaust for 1 Series F20 F21 M135i & M135i xDrive (M135iX) N55 – OEM Rear Section, No Tips – 18302349989 F02 760Li Monotube gas pressure design forAuthentic BMW M Performance Rear Section for 1 Series M135i N55 AxleBack Tail Silencer Give your turbocharged straight six the voice it deserves. This authentic BMW M Performance rear section transforms the soundtrack of the N55 powered 1 Series while keeping everyday refinement intact. It is the genuine axle back tail silencer designed for the F20 and F21 M135i, including xDrive, delivering a richer tone, sharper character and perfect original