F3x 435i/440i

Performance parts for BMW 435i/440i (F32/F33/F36). Downpipes, intercoolers, charge pipes and chassis upgrades to unlock more from N55/B58 platforms.

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.

114 products