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G2x M340i/M440i

BMW G20/G21/G22/G23 M340i and M440i performance parts. Downpipes, intakes and suspension upgrades tailored to the B58 platform.

Shop Related Upgrades

FAQs

Is the B58 engine safe to tune?

Yes — the B58 is extremely strong and responds well to tuning.

Does the M340i/M440i need a downpipe upgrade?

Downpipes unlock more sound and power, especially when paired with a tune.

What suspension upgrades help most?

Springs and anti-roll bars reduce body roll and improve balance.

Fast UK delivery

Tracked delivery on performance parts across the UK.

Need help choosing?

Send us your reg and we’ll help check fitment before you order.

Automatic 5% off

Get 5% off eligible parts automatically at checkout.

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