Milltek Sport GPF-Back Non-Resonated Race Exhaust with Polished GT-90 Tips for BMW M140i F20/F21 LCI (3 & 5 Door, OPF/GPF) 2019-On

Milltek rear section upgrade for BMW M140i F20 F21 LCI 2019+ OPF models with mirror polished GT90 90 mm tailpipes

Give your 1 Series M140i a harder hitting soundtrack and a premium motorsport look with this Milltek performance rear system. Designed specifically for later OPF and GPF equipped F20 and F21 LCI cars from 2019 onwards, this non silenced, OPF back setup delivers a more purposeful tone, faster rev response and a stunning set of 90 mm GT90 mirror polished outlets that fill the valance perfectly.

Built for sound, flow and longevity

• Hand finished in the UK from T304 austenitic stainless steel for exceptional durability
• Straight through, free flowing layout for a sharper, more engaging note on the B58 3.0 turbo engine
• Mandrel bent tubing maintains consistent diameter for smooth gas velocity
• Non resonated race specification for increased volume and a sportier edge
• GT90 90 mm tailpipe finishers in a high gloss polished finish for an OEM plus appearance

Fitment information

• BMW M140i F20 and F21 LCI, 3 door and 5 door
• 2019 onwards, for OPF and GPF equipped cars only
• Particulate filter back configuration, replaces the section after the factory OPF/GPF
• Uses original mounting points for a straightforward bolt on installation

What you will notice

• Deeper, louder, crisper tone that suits daily driving and spirited use
• Improved character without excessive drone inside the cabin
• Premium finish that complements the rear bumper with 90 mm GT90 tips
• UK engineered quality you can trust mile after mile

Tried, tested and loved by our customers

We have supplied and fitted this Milltek OPF back system on multiple M140i builds and the feedback has been consistently brilliant. Owners comment on the quality of the welds and materials, the perfect alignment of the GT90 tips, and the addictive, motorsport inspired note. If you want a serious sound upgrade for an OPF M140i without compromising fit and finish, this is a proven choice.

Professional fitting available

Want it supplied and installed by specialists We can fit this on site at MJ Modifications in Warwickshire. To request a fitting quote, email info@mjmodifications.co.uk.

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Note For OPF and GPF equipped M140i LCI models only. If you are unsure about compatibility, get in touch and we will be happy to help.