BMW 525i Oxygen Sensors
We stock Genuine OEM BMW Oxygen Sensors for your BMW 525i. Investing in new OEM oxygen sensors can help improve the fuel efficiency and overall performance of your vehicle. These sensors monitor the amount of oxygen in the exhaust system and adjust the fuel-to-air ratio, ensuring your engine runs smoothly and with reduced emissions. Using OEM sensors can ensure a perfect fit and optimal performance for your specific vehicle, leading to improved reliability and longevity. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.
2003-2006 BMW - Oxygen Sensor
BMW
11-78-7-523-434
323 & 325i, ci, it. Regulating probe. Without sulev. 330i, ci. 525i, 530i. From 03/03. X3. 3.0l. Cyl. 1-3. Front. Auto trans.
$396.22
MSRP $524.10
Save $127.88
24.4% Off 
2003-2006 BMW - Oxygen Sensor
BMW
11-78-7-514-927
323 & 325i, ci, it. Monitoring probe. 330i, ci. 525i, 530i. 2001-05, monitor, with sulev. From 03/03. X3. 3.0l. Cyl. 4-6. Rear. Auto...
$307.29
MSRP $404.78
Save $97.49
24.1% Off 
2006-2007 BMW - Oxygen Sensor
BMW
11-78-7-544-654
2004-07, sedan, 2006-07, lower, front. 525i, 530i. Front manifold. Rear. 525xi, 530xi.
$307.29
MSRP $404.78
Save $97.49
24.1% Off 
2006-2013 BMW - Oxygen Sensor
BMW
11-78-7-537-984
To 11/05. Location-Rear Manifold. 4.0L. M series. Front.
$265.47
MSRP $406.30
Save $140.83
34.7% Off 
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