E60 E82 E90 F10 BMW front upstream O2 sensor 1400mm lead - 11787558055

Front upstream (pre-cat) oxygen sensor for BMW petrol engines in E60, E82, E90 and F10 chassis. Exact 1400mm lead length, correct connector and calibration - no coding or adaptation needed.

Replaces failed or ageing OEM units to restore accurate air-fuel ratio feedback, smooth idle and stable fuelling. Fits models including 130i, 335i, 530i and Z4 35i where this part number is specified.

• Direct fit - same harness length and plug as original
• No false codes or limp mode from mismatched response curves
• Built for fast road or daily driver use; not a track-day consumable
• Part number 11787558055 only - verify against your vehicle before ordering