F3x 335i/340i

Upgrades for the BMW F30/F31/F32/F33 335i and 340i. B58 and N55 performance parts including exhaust, cooling, suspension and intake components.

Shop Related Upgrades

Downpipes | Intercoolers | Charge Pipes | Springs | Anti Roll Bars | Brake Pads

FAQs
Which is better for the 435i/440i — decat or sports cat?

Decats offer maximum flow; sports cats retain road compliance while still improving power.

Do the 435i/440i suffer heat-soak?

Yes — upgraded intercoolers help maintain consistent power.

What suspension upgrades improve handling most?

Springs and anti-roll bars give the biggest improvement for daily and spirited driving.

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