BMW G-Series Carbon Fibre M Performance Tips - OEM Style Larger 4" Slip-on Replacement Tailpipes

Carbon Tailpipe Finishers for BMW G-Chassis – 4 inch OE-look upgrade

Give your BMW’s rear end a motorsport-inspired makeover with Cobra Sport carbon tailpipe finishers. This premium pair delivers a factory-look upgrade with a deeper, wider outlet that instantly sharpens the stance and elevates the overall appearance.

With a 4 inch diameter (101.6 mm) these outlets are over 10 percent larger than the standard items, adding an extra 11.6 mm of visual width per tip for a stronger, more purposeful presence. Built from premium materials with a genuine carbon fibre outer, they are designed to resist corrosion and discolouration that can affect OE chrome trims, keeping your car looking fresh for longer.

Fast, direct fit. No cutting. No welding.

The slide-on design locates on the original pins for a hassle-free swap at home or in the workshop. No modification required. Supplied as a matched pair.

Direct replacement for BMW part: 18308485758.

Compatibility

Designed for selected G-chassis BMW models running B47 and B48 engines:

• BMW 2 Series (G42): 218i, 220i, 230i, 220d
• BMW 3 Series (G20/G21): 318i, 320i, 330i, 330e, 320d, 330d
• BMW 4 Series (G22/G23): 420i, 430i, 420d, 430d

Why choose this upgrade

• Factory-style design with an aggressive motorsport look
• 101.6 mm outlets for a bolder, wider rear aesthetic
• Premium carbon outer for a high-end finish and durability
• Slide-on fitment using OE locator pins – quick install
• Supplied as a pair with a one year warranty

Tried and trusted by enthusiasts

We have fitted these on customer cars and our own builds – feedback has been consistently positive for both the visual impact and the quality feel. The upgrade delivers that desirable “M look” while retaining an OE-inspired style that suits daily use and show cars alike.

Professional fitting available

Want them installed for you? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

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