{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle

BMW 340i Oxygen Sensors

Refine by:

Shop Catalog

Showing 1 - 15 of 20 results
Display item:
15
30
45
Sort by:
250-25132 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Walker Products®
250-25132 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Part Number: 25025132
Vehicle Info Required to Guarantee Fit
$148.99
Product Details
Location : Before Catalytic ConverterNotes : 20 ga. Wire Measurement; 15.87 in. Overall Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.32 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : DB96090007Connector Gender : Female ConnectorWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

350-34673 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Walker Products®
350-34673 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: 35034673
Vehicle Info Required to Guarantee Fit
$94.99
Product Details
Location : After Catalytic ConverterNotes : 20 ga. Wire Measurement; 22.76 in. Overall Length; Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.21 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Female ConnectorWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

250-241214 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Walker Products®
250-241214 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: 250241214
Vehicle Info Required to Guarantee Fit
$108.99
Product Details
Location : After Catalytic ConverterNotes : 20 ga. Wire Measurement; 22.76 in. Overall Length; Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.21 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : DB96090011Connector Gender : Female ConnectorWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

17404 Before Catalytic Converter Oxygen Sensor, Sold individually
Bosch®
17404 Before Catalytic Converter Oxygen Sensor, Sold individually
Part Number: BS17404
Vehicle Info Required to Guarantee Fit
$102.99
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle Parts
350-35112 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Walker Products®
350-35112 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Part Number: 35035112
Vehicle Info Required to Guarantee Fit
$139.49
Product Details
Location : Before Catalytic ConverterNotes : 20 ga. Wire Measurement; 15.87 in. Overall Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.32 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Female ConnectorWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

234-8012 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Denso®
234-8012 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NP2348012
Vehicle Info Required to Guarantee Fit
$130.49
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20.71 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Male ConnectorWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

234-5712 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Denso®
234-5712 Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Part Number: NP2345712
Vehicle Info Required to Guarantee Fit
$171.99
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13.19 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Male ConnectorWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

2930 Atomic, O2 Sensor Wideband
MSD®
2930 Atomic, O2 Sensor Wideband
Part Number: M46A2930
Universal Fit
$131.35
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 1-year MSD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

250-23200 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
Walker Products®
250-23200 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
Part Number: WKP250-23200
Universal Fit
$57.99
Product Details
Notes : 20.0 Wire Gauge Measurement; 18mm. Thread DiameterQuantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
15741 Oxygen Sensor - Universal, May Require Modification
Bosch®
15741 Oxygen Sensor - Universal, May Require Modification
Part Number: BS15741
Universal Fit
$46.99
Product Details
Notes : Heated Type; Metal Housing Material; Steel Color/FinishType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 27 in. Wire LengthMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Female ConnectorWarranty : 1-year Bosch limited warrantyPromotions : European Vehicle PartsSeries : OE Replacement Series
350-34200 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
350-34200 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP350-34200
Universal Fit
$36.49
Product Details
Notes : 9.37 in. Overall Length; Heated Sensor Type; 20 Wire Gauge MeasurementType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 5.83 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
250-24400 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
250-24400 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024400
Universal Fit
$48.99
Product Details
Notes : 20.0 Wire Gauge Measurement; 18.0 mm Thread DiameterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 8.25 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
30-2001 Universal, Bosch LSU 4.2 Wideband UEGO "Replacement" Sensor
AEM®
30-2001 Universal, Bosch LSU 4.2 Wideband UEGO "Replacement" Sensor
Part Number: A18302001
Universal Fit
$102.95
Product Details
Type : 5-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 1-year AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

30-2002 Universal,Bosch LSU 4.2 Wideband Sensor, Bung, Connector, Wire-Seals and Pins.
AEM®
30-2002 Universal,Bosch LSU 4.2 Wideband Sensor, Bung, Connector, Wire-Seals and Pins.
Part Number: A18302002
Universal Fit
$193.95
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

554-101 Oxygen Sensor, Sold individually
Holley®
554-101 Oxygen Sensor, Sold individually
Part Number: H19554101
Universal Fit
$166.45
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalWarranty : Lifetime Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 2 | Showing 1 - 15 of 20 results

Top Rated Products

Bosch 15741 Oxygen Sensor - Universal, May Require Modification
$46.99( Review)
What can I say. I own a foreign car which is 28 years old and parts could be very difSee More
Robert C.
VERIFIED PURCHASER
Walker Products 350-34673 After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
$94.99( Review)
Haven’t installed it yet but looks like it’ll work.
Milan L.
VERIFIED PURCHASER

Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Due to this, the O2 sensor features an integrated heater circuit to bring it up to operating temperature after a cold start. When this circuit stops functioning properly, it can trigger a P0135. The oxygen sensor monitors your vehicle’s air-to-fuel ratio. What Does the P0135 Code Mean?