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BMW E81 120 i Lambda sensor (170 hp Petrol N43 B20 A)

Oxygen sensor BMW E81 120 i 170 Petrol Engine

Lambda sensor: We recommend you replace this part every 100.000 km

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293 items
  • Fitting Position: Front
    • Oxygen Sensor: Diagnostic Probe
    • Exhaust System: after catalytic converter
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 440
  • Number of pins: 4
  • Number of circuits: 4
  • Connector Shape: round
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Plug housing design: Plug sleeve housing
  • Item number: 3922L0199P
  • Our price: 21,60 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423664447
  • Condition: New
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In stock
21,60 €

price incl. 23% VAT

excl. delivery costs

  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 1600
  • Number of pins: 4
  • Number of circuits: 4
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0287
  • Our price: 31,86 €
  • Manufacturer: RIDEX
  • EAN number: 4064138008938
  • Condition: New
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In stock
-56%
compared to RRP 72,42 €

31,86 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: Rear
    • Construction Year from: 05 / 2007
    • Construction Year to: 12 / 2011
    • Oxygen Sensor: Regulating Probe
    • Exhaust System: before catalytic converter
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 560
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0276P
  • Our price: 34,05 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423675832
  • Condition: New
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In stock
34,05 €

price incl. 23% VAT

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  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 735
  • Number of circuits: 5
  • Supplementary Article / Supplementary Info Info 2: without plug
  • Connector / Clamp: Connector may need adjustment
  • Supplementary Article / Supplementary Info: with fastening / mounting material
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0674P
  • Our price: 36,65 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423682748
  • Condition: New
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In stock
36,65 €

price incl. 23% VAT

excl. delivery costs

    • TecDoc Engine Number: N43 B20 A
    • Exhaust System: before catalytic converter
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 390
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0393P
  • Our price: 38,25 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423676303
  • Condition: New
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In stock
38,25 €

price incl. 23% VAT

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  • Fitting Position: Exhaust Manifold
    • TecDoc Engine Number: N43 B20 A
    • Construction Year from: 05 / 2007
    • Oxygen Sensor: Regulating Probe
    • Required quantity: 2
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 570
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0184P
  • Our price: 38,84 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423664027
  • Condition: New
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In stock
38,84 €

price incl. 23% VAT

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  • Fitting Position: Front
    • TecDoc Engine Number: N43 B20 A
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 465
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0177P
  • Our price: 42,41 €
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423663969
  • Condition: New
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In stock
42,41 €

price incl. 23% VAT

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RIDEX 3922L0046 Lambda sensor M18x1,5, Heated, D Shape
Article number: 3922L0046
Reviews - 3
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 1160
  • Number of pins: 4
  • Conductor Number: 4
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0046
  • Our price: 43,92 €
  • Manufacturer: RIDEX
  • EAN number: 4059191655427
  • Condition: New
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In stock (Item(s) left: 4)
-52%
compared to RRP 92,77 €

43,92 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: Front
    • Oxygen Sensor: Diagnostic Probe
    • Exhaust System: after catalytic converter
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 540
  • Number of pins: 4
  • Number of circuits: 4
  • Connector Shape: round
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Plug housing design: Plug sleeve housing
  • Item number: 3922L0199
  • Our price: 50,63 €
  • Manufacturer: RIDEX
  • EAN number: 4059191660384
  • Condition: New
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In stock
-52%
compared to RRP 105,48 €

50,63 €

price incl. 23% VAT

excl. delivery costs

    • TecDoc Engine Number: N43 B20 A
    • Exhaust System: before catalytic converter
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 435
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0393
  • Our price: 68,93 €
  • Manufacturer: RIDEX
  • EAN number: 4064138277501
  • Condition: New
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In stock
-46%
compared to RRP 128,36 €

68,93 €

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: Exhaust Manifold
    • TecDoc Engine Number: N43 B20 A
    • Construction Year from: 05 / 2007
    • Oxygen Sensor: Regulating Probe
    • Required quantity: 2
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 550
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0184
  • Our price: 80,50 €
  • Manufacturer: RIDEX
  • EAN number: 4059191659524
  • Condition: New
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In stock
-41%
compared to RRP 137,27 €

80,50 €

price incl. 23% VAT

excl. delivery costs

  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 770
  • Number of circuits: 5
  • Supplementary Article / Supplementary Info Info 2: without plug
  • Connector / Clamp: Connector may need adjustment
  • Supplementary Article / Supplementary Info: with fastening / mounting material
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0674
  • Our price: 92,03 €
  • Manufacturer: RIDEX
  • EAN number: 4065739034524
  • Condition: New
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In stock
-52%
compared to RRP 194,48 €

92,03 €

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: Rear
    • Construction Year from: 05 / 2007
    • Construction Year to: 12 / 2011
    • Oxygen Sensor: Regulating Probe
    • Exhaust System: before catalytic converter
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 560
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0276
  • Our price: 93,79 €
  • Manufacturer: RIDEX
  • EAN number: 4064138005395
  • Condition: New
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In stock
-50%
compared to RRP 189,40 €

93,79 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: Front
    • TecDoc Engine Number: N43 B20 A
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 465
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0177
  • Our price: 93,81 €
  • Manufacturer: RIDEX
  • EAN number: 4059191659418
  • Condition: New
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In stock
-36%
compared to RRP 147,44 €

93,81 €

price incl. 23% VAT

excl. delivery costs

RIDEX 4965N0005 NOx Sensor, NOx Catalyst
Article number: 4965N0005
Reviews - 16
  • Thread Size: M20 x 1,5
  • Number of pins: 5
  • Cable Length [mm]: 445
  • Item number: 4965N0005
  • Our price: 206,63 €
  • Manufacturer: RIDEX
  • EAN number: 4064138116343
  • Condition: New
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In stock
-55%
compared to RRP 460,19 €

206,63 €

price incl. 23% VAT

free delivery

  • Fitting Position: after catalytic converter
  • Oxygen Sensor: Diagnostic Probe, Thread pre-greased
  • Overall Length [mm]: 480
  • Number of circuits: 4
  • Fabrication Number: ESL-BM-001
  • Item number: ESL-BM-001
  • Our price: 24,45 €
  • Manufacturer: NTY
  • EAN number: 5902048208712
  • Condition: New
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In stock (Item(s) left: 4)
-26%
compared to RRP 33,27 €

24,45 €

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: before catalytic converter
  • Oxygen Sensor: Regulating Probe, Thread pre-greased
  • Fabrication Number: ESL-AU-003
  • Item number: ESL-AU-003
  • Our price: 26,36 €
  • Manufacturer: NTY
  • EAN number: 5902048081940
  • Condition: New
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In stock
-19%
compared to RRP 32,69 €

26,36 €

price incl. 23% VAT

excl. delivery costs

  • Fitting Position: before catalytic converter
  • Oxygen Sensor: Regulating Probe, Thread pre-greased
  • Number of circuits: 4
  • Fabrication Number: ESL-AU-011
  • Item number: ESL-AU-011
  • Our price: 30,78 €
  • Manufacturer: NTY
  • EAN number: 5902048063830
  • Condition: New
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In stock
30,78 €

price incl. 23% VAT

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  • Fitting Position: after catalytic converter
  • Oxygen Sensor: Diagnostic Probe, Thread pre-greased
  • Number of circuits: 4
  • Fabrication Number: ESL-CH-009
  • Item number: ESL-CH-009
  • Our price: 31,12 €
  • Manufacturer: NTY
  • EAN number: 5902048923950
  • Condition: New
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In stock
31,12 €

price incl. 23% VAT

excl. delivery costs

  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 1600
  • Number of pins: 4
  • Number of circuits: 4
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: SKLS-0140448
  • Our price: 31,86 €
  • Manufacturer: STARK
  • EAN number: 4064138008921
  • Condition: New
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In stock
31,86 €
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Which lambda sensor is the best for BMW 1 Hatchback (E81) 120 i models?

The best lambda sensors for E81 120 i Petrol models are sold by the following original brands:

  • RIDEX
  • BOSCH
  • DENSO
  • YATO
  • BUGIAD

How much does a lambda sensor cost for a E81 120 i?

The price of a lambda sensor for a BMW 1 Hatchback (E81) 120 i is usually between €21.6 and €206.63.

What are the symptoms of a defective lambda sensor in the BMW BMW E81 E81 120 i?

A defective lambda sensor in the 1 Hatchback (E81) 120 i Petrol can lead to these common symptoms of failures:

  • Increased fuel consumption
  • Rough idling
  • Excessive exhaust emissions

How can you check or replace the lambda sensor in the BMW 1 Hatchback (E81) 120 i Petrol Engine?

The lambda sensor in BMW 1 Hatchback (E81) 120 i models can be checked by inspecting the connector and the multimeter values before and after the catalytic converter. If necessary, you can replace the part yourself by following the service manual instructions.

Which lambda sensor do E81 120 i Petrol (Direct Injection) 2007 - 2012 models have?

Cable length [mm] 390; 435; 440; 445; 465; 540; 550; 560; 570; 735; 770; 1160; 1600
Weight [kg]
Vehicle emission standard Euro
Exhaust system type after catalytic converter; before catalytic converter
Lambda sensor design Diagnostic Probe; Heated; Regulating Probe; Thread pre-greased
Length [mm]
Overall length [mm] 480
Resistance 2 - 7
Replacement interval 90 000 - 130 000 km
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