Unbranded Universal 4 Wire Lambda Oxygen Sensor + Fitting Tool

Quality & Warranty
This item comes with a 5 Year (20,000 Mile) Warranty.

This part is a universal sensor - designed to use the connector from your old part. Full instructions are included.

Technical Specification
Number of wires: 4

Equivalent Part Numbers
BMW: 1 468 620, 1 726 321, 1 735 680, 11 78 1 735 680, 11781 468 620, 11781 726 321, BOSCH: 0 258 005 322, EPS: 1.997.184, FACET: 10.7184, FAE: 77175, HELLA: 6PA 009 165-591, KW: 497 184, MAGNETI MARELLI: 460000295010, METZGER: 893050, 895050, MINI: 1 468 620, 1 726 321, 1 735 680, 11 78 1 468 620, 11 78 1 726 321, 11 78 1 735 680, MOTAQUIP: LVOS1733, MTE-THOMSON: 7836.40.150, NPS: DOX-1369, QUINTON HAZELL: XLOS1021, SMPE: 64029, KNL029, LB1041, LLB022, TRUCKTEC AUTOMOTIVE: 08.39.053, VEMO: V20-76-0002

The only way to be 100% sure that the part will fit your vehicle is to check the part number on your original unit matches one of the above. If you are unsure please send us an eBay message with your full registration number and vehicle details.

Shipping & Returns
We send our products by the selected delivery method within 24 hours.

Any information in the compatibility table is for reference only and there may be unspecified choice options. Please check all of the images and details provided before purchase. If you purchase the part and find that it isn't right for you for any reason you have 60 days to return the item for free (UK buyers only). We always accept returns and have a no quibble policy. To qualify for free returns you must arrange the return through eBay messages. If a part is faulty a replacement will be sent out after the return and testing of the old unit. Labour claims & consequential loss claims are never accepted.

Fitment

BMW 5 Series E34 [1987-1997] Estate 520i (1991ccm 150HP 110KW Petrol)
Engine Code: M50 B20 (206S1),M50 B20 (206S2) | Engine Code: M50 B20 | Eng. No.: BMW M50 B20 (206S1) | for control unit manufacturer: Bosch | Regulating Probe | in front of the catalyst
BMW 5 Series E34 [1987-1997] Estate 525ix (2494ccm 192HP 141KW Petrol)
Engine Code: M50 B25 (256S1),M50 B25 (256S2) | Manufactured Before: 12/ 1996 | Engine Code: M50 B25 | Regulating Probe | in front of the catalyst
BMW 5 Series E34 [1987-1997] Saloon 520i 24V (1991ccm 150HP 110KW Petrol)
Engine Code: M50 B20 (206S1),M50 B20 (206S2) | Eng. No.: BMW M50 B20 (206S1) | Eng. No.: BMW M50 B20 (206S2) | Regulating Probe | in front of the catalyst
BMW 5 Series E34 [1987-1997] Saloon 525iX 24V (2494ccm 192HP 141KW Petrol)
Engine Code: M50 B25 (256S1),M50 B25 (256S2) | Engine Code: 25 6S 1/2(M 50 B 25) | Regulating Probe | in front of the catalyst