Milltek rear muffler BMW 1 Series F20-F21 120i to 125i 2016-2019, ECE homologated, rear muffler, GT80 polished tips

Milltek Sport Rear Muffler for BMW 1 Series F20-F21

For the BMW 1 Series F20-F21, this Milltek Sport rear muffler replaces the original rear section and immediately delivers the signature Milltek sound, with quick installation.

Technical specifications

• Milltek part number: SSXBM1129
• Part type: Rear muffler
• Configuration: with valves
• Detail: ECE homologated - Rear muffler - Polished stainless GT80 tips
• Tube diameter: 70 mm (2.75 inches)
• Outlets: 2 x 80 mm GT-80 outlets
• Tip finish: polished stainless steel
• Fitting information: OEM Dual Left Diffuser - With valve
• Material: aerospace-grade stainless steel
• Homologation: ECE / EC homologated
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• BMW 1 Series F20-F21 120i - 125i 2.0T (B48 engine) 184-224 hp (2016-2019)

Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.

Most frequently asked questions

• And the neighbors in the morning? The valves are controlled as on the original: closed and discreet at startup or in comfort mode, fully open in sport mode.
• Homologation: this exhaust is ECE / EC homologated, a real plus for driving with peace of mind and passing the French technical inspection.
• Fitting: the system uses the original mounting points. A workshop typically fits it in one to two hours.

Why choose Milltek Sport?

Milltek Sport designs and manufactures its exhausts in England, with mandrel-bent tubes to preserve the internal diameter and a fit developed on the vehicle. The result: a clean installation with no adaptation, and a sound tuned to remain pleasant for everyday use.

Further reading

• Valved exhaust system: how does it work, and should you keep the valves?
• Exhaust system and technical inspection in France