This downstream oxygen sensor is a direct OEM-spec left-side replacement for BMW 5, 6, and 7 Series plus X3, X5, X6 and Z4 models, restoring accurate catalytic converter monitoring.
Features
- Direct OEM replacement (Part# 11787545243)
- Restores accurate downstream air-fuel and catalyst efficiency monitoring
- Resolves O2 sensor and catalyst-efficiency fault codes
- Factory-match connector for plug and play fitment
Compatible Models
| Series | Chassis Code | Years |
|---|---|---|
| BMW 5 Series | E60 | 2003-2010 |
| BMW X5 | E70 | 2007-2013 |
| BMW X3 | (various) |
Fits These Models
Fits BMW 528i/535i (E60), X5 xDrive35i (E70), X3, Z4
Specifications
- OEM Part Numbers: 11787545243
- Position: Downstream, Left
- Brand: Bimmer Spec
- Condition: New
Related: Shop our full X5 parts collection, or pair it with our N52/N54/N55 engine oil filter.
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