Oxygen Sensor Air Fuel Ratio for BMW 125I 128I 130I 323I 325I 325XI 328D

Main Description

Upgrade your BMW and Mercedes‑Benz with a reliable Oxygen Sensor that accurately monitors upstream air‑fuel ratio. This Air Fuel Ratio sensor is designed for BMW models including 125i (2012–2013), 128i (2008–2013), 130i (2006–2010), 323i (2006–2011), 325i (2006–2013), 325Xi (2006), 328D (2014–2018), 328i (2007–2013), 328Xi (2007–2008), 330i (2006), 330Xi (2006), 525i (2006–2009), 525Xi (2006–2007), 528i (2008–2011), 530i (2006–2013), 530Xi (2006–2007), 550i (2006–2010), 650i (2006–2010), 740i (2011–2012), 740Li (2011–2012), X3 (2007–2017), X5 (2007–2010), Z4 (2006–2011). It also covers Mercedes‑Benz variants such as C63 AMG (2015–2023), G550 (2019–2024), G63 AMG (2019–2024), and GLC63 AMG (2018–2021). The upstream O2 sensor ensures the engine runs with the correct air/fuel balance, improving performance, reducing emissions, and helping you avoid lean or rich conditions that can harm efficiency and longevity. Brand: IWOKPHD, origin: Mainland China, with compatibility across multiple OEM reference numbers.

OEM numbers and part references are included to help you verify fitment: 11787586693, 234-5027, 2345027, 234 5027, 11787570760, 11787586692, 4489241, 7557756, 7558055, 7558087, 7561409, 7570760, 7586692, 7586693, 7589138, 7589139, 7558054, 7558081, 7558087, 7557758, 7557223, 8515640, 11784489241, 11787557756, 11787558055, 11787558087, 11787561409 and more. The sensor’s specifications point to a piezoelectric, heated design crafted to deliver reliable measurements under typical driving conditions.

All electronic and mechanical equipment sold by InterCyprus to EU countries is CE certified and carries a two year warranty.

Benefits & Tips

• Benefit: Maintains optimal engine air/fuel ratio for better fuel efficiency and reduced emissions, helping vehicles meet emissions standards without sacrificing performance.
• Tip: When diagnosing engine running issues, consider replacing the upstream O2 sensor to ensure clean, accurate readings and steady lambda values.
• Tip: Check OEM/Part numbers listed to confirm compatibility with your BMW or Mercedes‑Benz model and year before installation.

Product specifications

• Brand Name: IWOKPHD
• Sensor Type: Piezoelectric
• Heating: Yes
• Measuring Range: Upstream Air Fuel Ratio Lambda Oxygen O2 Sensor
• Origin: Mainland China
• OEM NO.: 11787586693, 234-5027, 2345027, 234 5027
• Part No.: 11787570760, 11787586692, 4489241, 7557756, 7558055, 7558087, 7561409, 7570760, 7586692, 234-5027, 2345027, 234 5027, 24333, 17202, V20-76-0059, V20760059, 250-25046, 25025046, 108485, 24332, 25025045, 250-25045, 11 78 7 589 139
• Repeatability: 11784489241, 11787557756, 11787558055, 11787558087, 11787561409
• Resolution: 11787558073, 11787558081, 11787589138, 11787558054, 11787573319
• Sensitivity: 11787557758, 11787589139, 11787540166, 11787540167, 11787557223
• Application: Upstream Oxygen O2 Sensor for BMW and Mercedes‑Benz models (see full listing in the product description for specific model/year coverage)

Package includes:

• 1 x Oxygen Sensor

Warnings / Reminders

• All items will be sent out within 2 working days after the payment is confirmed.
• Please make sure your shipping address is correct before you pay.
• Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer's responsibility.
• Shipping time is for reference; seasonal demand and bad weather may cause delays.
• We will replace items which are malfunctioning when you receive them.
• Item must be returned in original packing, same as received.
• Warranty: 1 year replacement warranty.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

At intercyprus.com since 2002 — trusted for quality and reliability.