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Upstream (L / R) O2 Oxygen Sensor For BMW 545i 645Ci 745i 745Li ALPINA B7 760Li

Product Description

Note:
1. Factory direct store! Support on behalf of the hair, welcome to consult, we 24 hours online. In addition, we have warehouses in Kentucky, Texas and California, which can automatically match the nearest warehouse address according to your receiving address to give priority to delivery, greatly reducing the logistics time (if one warehouse is out of stock, we will deliver goods to you from other warehouses)!
2. The compatibility list is for reference only, and there are some differences among different models. First, check to see if your car is on the list. Then, compare your original oxygen sensor with the display image of our product, especially it has the same pattern and shape as the plastic shell at the connector end. If you are not sure, please feel free to send us pictures so that we can confirm for you.


Features:

  • Brand New Oxygen Sensor
  • Quality Guaranteed Tested to Meet OE Specifications
  • Better Fuel Economy
  • Placement on Vehicle:(Please refer to the adapter table or the details.)

  • Warranty: 3 YEAR

  • Returns: 30 days

  • 4 wire configuration
  • Direct Plug-In Replacement.
  • Built and tested to strict quality control standards

Package Include:

1 x Oxygen Sensor as pictured


Interchange For Part Number: 234-5133 11787516149 11787516150 11787521705 11787512983



Built and tested to strict quality control standards

Fit Vehicle:（Please refer to the compatibility table for details）.

Fits For BMW:


  • 545I 4.4L V8 2004-2005 Upstream Right; Automatic trans.;/ Upstream Left;

  • 645CI 4.4L V8 2004-2005 Upstream Right; Automatic trans.;/ Upstream Left;

  • 745I 4.4L V8 2002-2005 Upstream;

  • 745LI 4.4L V8 2002-2005 Upstream;

  • ALPINA B7 4.4L V8 Supercharged 2007-2008 Upstream Left; Upstream Right;

  • 760I 6.0L V12 2004-2006 Upstream;

  • 760LI 6.0L V12 2003-2006 Upstream;



How do I know the O2 sensor is good or not? 
A: The only way to know if the O2 sensor is functioning normally is to check its responsiveness to changes in the air/fuel mixture, by Voltage Measurement or Waveform Simulation.

Use a 10-mega ohm digital voltmeter. Hook up the voltmeter's red probe to the sensor's signal wire and the black probe to engine ground. (Use back probe method, DO NOT pierce the wire.) For a good sensor, voltage should fluctuate constantly between 0.1 and 0.9 volts after starting the engine for 2 or 3 minutes.

  • Goes above range between 0.1 and 0.9 volt
  • Remains below 0.5 volts
  • Stays fixed at a particular voltage

You're free to choose replacement or refund if our sensor fails to work, in this case.


  • Paypal or credit card.
Our return policy is straightforward and customer friendly. You can shop with us. After all, we have been doing business for more than 10 years. Our policy is common sense in doing business. As long as it is within the limits of the manufacturer's warranty return policy (which we are obliged to comply with) and meet the following conditions, we will take back any goods within 30 days after purchase:
The article must be in its original, unused state and must be returned in its original packaging.
We cannot accept any items that have been installed and / or damaged. In addition, we do not accept returns that are not in the original packaging. These are restrictions set by product manufacturers and we are obliged to comply with their return policies. Items returned substandard or missing parts will not be credited.
Return freight must be paid by the customer.
Unless our company or listing error, the customer should be responsible for the return of freight.
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    If You are not sure about what exactly, You need feel free to contact Us every working day (except on weekend) and get professional assistance within 24 hours, in that way You will get the right part and do not need to deal with returns - save your time!
    Parts Information: Before purchase this parts, please check the compatibility information or call your local dealer to verify the correct OEM part number.
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