What are the important steps for servicing an oxygen sensor on BMW 325i?

There are two oxygen sensors on 2.0L engines, one upstream sensor and one downstream sensor. The location of the sensors is at each end of the catalytic converter with the upstream sensor being closest to the turbocharger while the downstream sensor is situated next to the exhaust pipe. For 3.0L engine models, there are four oxygen sensors - two for each cylinder bank. In addition, its early stage symptoms often consist of mild diarrhea and stomach craps often mistaken for common stomach upsets or food poisoning; this makes it difficult to detect and treat at an early stage. In contrast, when a child is already in his or her late teenage years or an adult reaches their forties, diagnosis becomes more prevalent due to acute inflammation that occurs within colon lining leading to discharge of pus from rectum (Kopetz et al., 2009). These "fruits" result from proliferation of glands in epithelial cells that form mucus-producing cells which inhibit stem cell differentiation into goblet cells (Williams et al., 2015). The first stage polyps of carcinomas found on colons are called colorectal cancer; they grow slowly over time taking about five years before becoming invasive or developing into symptoms suggestive of malignancy (Gazdar et al., 2015).The risk factors are mostly physical; underestimating these risks will only serve to worsen ones condition because they do not go away (Barratt & Serpell, 2009) . However if you opt for radiotherapy treatment then you should be aware that it also has side effects even if they have yet been discovered (Wang et al., 2014). Natural remedies such as ginseng extracts have shown potential benefits and fewer side effects than pharmacological treatments in AOM model mice (Ryu et al., 2013). If your partner has penile warts then he surely visited prostitutes who are a high risk group (Kennedy, 2009). This is because they are lazy and idle; they do not want to work but expect their husbands to pamper them even more. They find pleasure in associating themselves with men of influence that can cater for their extravagant lifestyle and meet their financial needs. In order not to lose his job he is willing to get involved in underhanded deals that will make him rich quickly.

Genuine BMW 325i Oxygen Sensor

Oxygen O2 Sensor

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19 Oxygen Sensors found

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BMW 325i Air Fuel Ratio O2 Oxygen Sensor
Part Number: 11787558055
$256.26 MSRP: $406.30
You Save: $150.04 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Regulating Lambda Probe; Front Oxygen Sensor, Oxygen Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Oxygen Sensor
Part Number: 11787558073
$256.26 MSRP: $406.30
You Save: $150.04 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe; Front Oxygen Sensor, Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i O2 Oxygen Sensor
Part Number: 11787545074
$206.77 MSRP: $325.06
You Save: $118.29 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Lambda Monitor Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Rear Oxygen Sensor
Part Number: 11787545075
$206.77 MSRP: $325.06
You Save: $118.29 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lambda Monitor Sensor; Oxygen Sensor
- Position: Rear
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Front Or Rear Upstream Oxygen Sensor
Part Number: 11781742050
$359.87 MSRP: $489.06
You Save: $129.19 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Regulating Lambda Probe; Front Oxygen Sensor, Oxygen Sensor
- Position: Front and Rear
- Replaces: 11-78-1-433-075, 11-78-1-742-049
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon(E46)
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BMW 325i Oxygen Sensor
Part Number: 11781433940
$297.85 MSRP: $404.78
You Save: $106.93 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Lambda Monitor Sensor; Front Oxygen Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon(E46)
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BMW 325i Oxygen Sensor
Part Number: 11781735500
$229.80 MSRP: $282.72
You Save: $52.92 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Oxygen Sensor
Part Number: 11781720860
$327.47 MSRP: $445.03
You Save: $117.56 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Position: Driver Side
- Replaces: 11-78-1-730-005
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
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BMW 325i Oxygen Sensor
Part Number: 11787523435
$385.65 MSRP: $524.10
You Save: $138.45 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon(E46)
View related parts
BMW 325i Front Oxygen Sensor Air Fuel Ratio Sensor
Part Number: 11787537984
$256.26 MSRP: $406.30
You Save: $150.04 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe; Front Oxygen Sensor, Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Oxygen Sensor
Part Number: 11787514927
$297.85 MSRP: $404.78
You Save: $106.93 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Lambda Monitor Sensor
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan M56 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon M56 Engine(E46), Wagon(E46)
View related parts
BMW 325i Oxygen Sensor
Part Number: 11787514926
$297.85 MSRP: $404.78
You Save: $106.93 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Lambda Monitor Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan M56 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon M56 Engine(E46), Wagon(E46)
View related parts
BMW 325i Front O2 Oxygen Sensor
Part Number: 11781735499
$297.85 MSRP: $404.78
You Save: $106.93 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
View related parts
BMW 325i Oxygen Sensor
Part Number: 11781716114
$327.47 MSRP: $445.03
You Save: $117.56 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
View related parts
BMW 325i Oxygen Sensor
Part Number: 11787537993
$359.87 MSRP: $489.06
You Save: $129.19 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
View related parts
BMW 325i Oxygen Sensor
Part Number: 11787515827
$359.87 MSRP: $489.06
You Save: $129.19 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW 325i | Sedan M56 Engine(E46), Wagon M56 Engine(E46)
View related parts
BMW 325i Oxygen Sensor Front Upper
Part Number: 11787515826
$359.87 MSRP: $489.06
You Save: $129.19 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe; Oxygen Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW 325i | Sedan M56 Engine(E46), Wagon M56 Engine(E46)
View related parts
BMW 325i Oxygen Sensor - Front Manifold
Part Number: 11787523434
$385.65 MSRP: $524.10
You Save: $138.45 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulating Lambda Probe; Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon(E46)
View related parts
BMW 325i Front O2 Oxygen Sensor
Part Number: 11781730005
$327.47 MSRP: $445.03
You Save: $117.56 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor
- Position: Front
- Replaced by: 11781720860
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)

BMW 325i Oxygen Sensor

The BMW 325i Oxygen Sensor continuously monitors the oxygen in exhausts so that the engine computer can balance air and fuel for strong engine performance and low emissions. Mounted before and after the catalytic converter in BMW exhaust passages are each Oxygen Sensor, swinging in a range from 0.1 to 0.9 volts, guiding the width of pulses for the injector in milliseconds. Early 325i cars applied a narrow band zirconia Oxygen Sensor with only a rich and lean flip, while later 325i models received a heater to speed up startup and eventually a wideband style Oxygen Sensor that did provide a precise current signal over a broad mix range. The narrow band merely switches back and forth at stoichiometry where the wideband provides precise ratio information allowing the BMW engine to go into closed loop sooner and maintain the catalyst at peak efficiency. When any 325i Oxygen Sensor gets slowed down by age or contamination, feedback lags, the computer holds a richer mix, mileage falls, emissions rise, and the check engine light warns; a tiny part to protect overall BMW reliability.

If you are looking for OEM BMW 325i Oxygen Sensor, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 325i Oxygen Sensor that come backed by the manufacturer's warranty.

BMW 325i Oxygen Sensor Parts Questions & Experts Answers

Rear Oxygen Sensor
11787545075
Q:
What are the important steps for servicing an oxygen sensor on BMW 325i?
Posted by Sreynit L.
A:
There are two oxygen sensors on 2.0L engines, one upstream sensor and one downstream sensor. The location of the sensors is at each end of the Catalytic Converter with the upstream sensor being closest to the turbocharger while the downstream sensor is situated next to the exhaust pipe. For 3.0L engine models, there are four oxygen sensors - two for each cylinder bank. In addition, its early stage symptoms often consist of mild diarrhea and stomach craps often mistaken for common stomach upsets or food poisoning; this makes it difficult to detect and treat at an early stage. In contrast, when a child is already in his or her late teenage years or an adult reaches their forties, diagnosis becomes more prevalent due to acute inflammation that occurs within colon lining leading to discharge of pus from rectum (Kopetz et al., 2009). These "fruits" result from proliferation of glands in epithelial cells that form mucus-producing cells which inhibit stem cell differentiation into goblet cells (Williams et al., 2015). The first stage polyps of carcinomas found on colons are called colorectal cancer; they grow slowly over time taking about five years before becoming invasive or developing into symptoms suggestive of malignancy (Gazdar et al., 2015).The risk factors are mostly physical; underestimating these risks will only serve to worsen ones condition because they do not go away (Barratt & Serpell, 2009) . However if you opt for radiotherapy treatment then you should be aware that it also has side effects even if they have yet been discovered (Wang et al., 2014). Natural remedies such as ginseng extracts have shown potential benefits and fewer side effects than pharmacological treatments in AOM model mice (Ryu et al., 2013). If your partner has penile warts then he surely visited prostitutes who are a high risk group (Kennedy, 2009). This is because they are lazy and idle; they do not want to work but expect their husbands to pamper them even more. They find pleasure in associating themselves with men of influence that can cater for their extravagant lifestyle and meet their financial needs. In order not to lose his job he is willing to get involved in underhanded deals that will make him rich quickly.
Answered by BMW Parts Specialist Chaz / Sep 11, 2024

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