BMW E81 120 i Catalytic converter (170 hp Petrol N43 B20 A)
Recommended part replacement interval for your car for the part category Catalytic converter: every 100.000 km

- Fitting Position: Front
- Catalytic Converter Type: for vehicles with catalytic converter
- Emission Standard: Euro 4
- Item number: 42.218
- Our price: £ 318,60
- Manufacturer: IZAWIT
- EAN number: 42.218
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Item number: 56.601
- Our price: £ 360,09
- Manufacturer: IZAWIT
- EAN number: IZA56.601A
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Fitting Position: Front
- EG / ECE conform
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 620
- Weight [kg]: 6,6
- Item number: 45263
- Our price: £ 380,14
- Manufacturer: AS
- EAN number: 8435247729292
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Emission Standard: Euro 4 (D4)
- Length [mm]: 620
- Weight [kg]: 6,900
- Code Letter: 92
- Item number: 28716
- Our price: £ 431,83
- Manufacturer: WALKER
- EAN number: 3277490287168
- Condition: New
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price incl. 20% VAT
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- TecDoc Engine Number: N43 B20 A
- Construction Year from: 03 / 2007
- Emission Standard: Euro 4 (D4)
- Engine Code: N43B20
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Emission Standard: Euro 4
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 620
- Item number: BK-843
- Our price: £ 474,63
- Manufacturer: VEGAZ
- EAN number: 4055503024332
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Fitting Position: Front
-
- Construction Year from: 10 / 2008
- Emission Standard: Up to Euro 5
- Test Mark: E9-103R
- Emission Standard: Up to Euro 5
- Item number: CAK11384
- Our price: £ 485,88
- Manufacturer: NAP carparts
- EAN number: 4064558054638
- Condition: Remanufactured
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Supplementary Article / Supplementary Info Info 2: with mounting kit
- Similar to picture
- TecDoc Engine Number: N43 B20 A
- Emission Standard: Euro 4
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 620
- Supplementary Info: Set
- with ECE / ABE approval
- Item number: 760256
- Our price: £ 662,33
- Manufacturer: ERNST
- EAN number: 4007463760256
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Fitting Position: Front
-
- Construction Year to: 12 / 2011
- Catalytic Converter Type: for vehicles with single manifold catalytic converter
- Emission Standard: Up to Euro 5
- Supplementary Article / Supplementary Info Info 2: with exhaust manifold
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Test Mark: E9-103R
- with ECE / ABE approval
- Item number: QCAT92467H
- Our price: £ 837,46
- Manufacturer: QUINTON HAZELL
- EAN number: 5050438542264
- Condition: New
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- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
- Vehicle Equipment: for vehicles with OBD
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- EG / ECE conform
- Item number: K7309N
- Our price: £ 431,76
- Manufacturer: LRT
- EAN number: 4250193623487
- Condition: New
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price incl. 20% VAT
- Fitting Position: before catalytic converter
- Pipe Diameter [mm]: 55
- Length [mm]: 145
- Specification: Flexibel mit Flansch
- Item number: FF55145Q
- Our price: £ 63,28
- Manufacturer: LRT
- EAN number: 4250193621612
- Condition: New
- for article number: 18307567692
- Item number: 90.057
- Our price: £ 68,76
- Manufacturer: IZAWIT
- EAN number: 90.057
- Condition: New
- Fitting Position: Front
- Exhaust System: for catalytic converter
- Pipe Diameter [mm]: 55,5
- Length [mm]: 135
- Pipe Connector: Flexible
- Item number: KF100015
- Our price: £ 80,73
- Manufacturer: FA1
- EAN number: 5902076397181
- Condition: New
- Fitting Position: Front
- Pipe Connector: Flexible
- Supplementary Article / Supplementary Info Info 2: with flange, with mounting parts
- Overall Length [mm]: 134
- Exhaust System: for catalytic converter
- Inner Diameter of Connection [mm]: 55,5
- Item number: 83 00 8313
- Our price: £ 90,73
- Manufacturer: HJS
- EAN number: 4012588464996
- Condition: New
- Fitting Position: Front
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- Construction Year to: 04 / 2010
- Engine Code: N43B20
- Emission Standard: Up to Euro 4
- Left- / right-hand drive vehicles: for left-hand drive vehicles
- Test Mark: E9-103R
- only in connection with: FK91766
- Supplementary Info: Non-approved
- Item number: BM91766H
- Our price: £ 415,83
- Manufacturer: BM CATALYSTS
- EAN number: 5052746128383
- Condition: New
- Vehicle configuration line / variant: KAT, 418692, 00000000000000009012, 00000000000000008913
- Length [mm] 0
- Catalytic Converter Type: for vehicles with catalytic converter
- Item number: 04.4399
- Our price: £ 463,23
- Manufacturer: MTS
- EAN number: 8033464901820
- Condition: New
- Fitting Position: Front
- Catalytic Converter Type: for vehicles with catalytic converter
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Emission Standard: Euro 4
- Item number: 090-577
- Our price: £ 472,90
- Manufacturer: BOSAL
- EAN number: 3351640905772
- Condition: New
price incl. 20% VAT
- Fitting Position: Front
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- Emission Standard: Euro 4 (D4)
- Catalytic Converter Type: for vehicles with catalytic converter
- for manufacturer exhaust gas norm: Euro 4
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 620
- Item number: SKCCT-4840209
- Our price: £ 497,26
- Manufacturer: STARK
- EAN number: 4064138021418
- Condition: New
price incl. 20% VAT
- Fitting Position: Front
-
- Construction Year to: 12 / 2011
- Emission Standard: Up to Euro 5
- Supplementary Article / Supplementary Info Info 2: with exhaust manifold
- Catalytic Converter Type: for vehicles with single manifold catalytic converter
- Test Mark: E57-103R
- Material: Ceramic
- only in connection with: FK92467
- Product fulfils: Euro 5
- Item number: BM92467H
- Our price: £ 838,49
- Manufacturer: BM CATALYSTS
- EAN number: 5052746202359
- Condition: New
- Construction Year to: 12 / 2011
- Emission Standard: Euro 5
- Item number: BK-904
- Our price: £ 994,43
- Manufacturer: VEGAZ
- EAN number: 4055503370705
- Condition: New
price incl. 20% VAT

- Catalytic Converter Type: for vehicles with catalytic converter
- Length [mm]: 135
- Exhaust System: for catalytic converter
- Inner Diameter of Connection [mm]: 55,5
- Item number: 261-050
- Our price: £ 93,20
- Manufacturer: BOSAL
- EAN number: 3351642610506
- Condition: New
What is the best catalyst for the BMW 1 Series E81 120 i?
The best catalytic converters for the BMW E81 N43B20A are from the following original brands:
- RIDEX
- JMJ
- BM CATALYSTS
- NAP carparts
- EEC
How much is a catalytic converter for the BMW 1 Series E81 120 i?
The price of a catalytic converter for the 1 Hatchback E81 120 i typically ranges from £63.28 to £994.43.
What should I do if the catalytic converter warning light is flashing?
If the catalytic converter warning light flashes up intermittently or the light’s on for long periods, it usually means that the catalytic converter is faulty or bad. You should check the heat shield plate and find out whether a catalytic converter replacement is necessary to prevent further faults.
Which catalytic converter to choose for a 1 Hatchback (E81) 120i 170 hp N43B20A
Length [mm] | 135; 145; 620 |
Weight [kg] | 6.6; 6.9 |
Emission rate | Euro 4; Euro 4 (D4); Euro 5; Up to Euro 4; Up to Euro 5 |
Power [PS] | 170 |
Power [kW] | 125 |