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NGK

NTK by NGK 5-Wire Heated Air-Fuel Ratio (AFR) O2 Oxygen Lambda Sensor/Probe 600mm - NGK 93558 / NTK UAR9000-EE054 - Fits BMW E90/E91 320i, E60/E61 545i, E63/E64 645Ci, E65/E66 735i/745i/760i, Citroen Xsara Picasso 1.6 - Direct-Fit Wideband

NTK by NGK 5-Wire Heated Air-Fuel Ratio (AFR) O2 Oxygen Lambda Sensor/Probe 600mm - NGK 93558 / NTK UAR9000-EE054 - Fits BMW E90/E91 320i, E60/E61 545i, E63/E64 645Ci, E65/E66 735i/745i/760i, Citroen Xsara Picasso 1.6 - Direct-Fit Wideband

£82.62
£127.76 £82.62
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

NTK by NGK Air-Fuel Ratio Sensor 5-wire 600mm – NGK 93558 / NTK UAR9000-EE054

Get your engine running crisply again with this genuine NTK by NGK air-fuel ratio sensor. The 5-wire heated design delivers fast, stable mixture control so your ECU can keep fuelling spot on, helping restore smooth idle, clean throttle pick-up and strong fuel economy. OE-level quality, direct-fit reliability and the durability you expect from NGK’s engine management specialists.

We fit these in our own workshop and our customers consistently report sharper response, improved MPG and cleaner emissions after replacement. If you are chasing drivability issues or an emissions warning, a fresh exhaust oxygen unit like this can make a night-and-day difference.

At a glance

  • Genuine NTK by NGK component
  • Part numbers: NGK 93558 / NTK UAR9000-EE054
  • Heated 5-wire AFR design for rapid light-up and accurate mixture tracking
  • Lead length: 600 mm
  • Direct replacement for the original exhaust gas sensor on listed applications
  • Designed for precise closed-loop control and stable performance across conditions

Why this sensor

  • Restores correct air-fuel control to help maximise economy and power delivery
  • Fast warm-up for reliable readings even on short journeys
  • OE-grade construction for longevity and consistent signal quality
  • Ideal fix when investigating mixture control faults or failed MOT emissions

Vehicle suitability

Please verify with your registration or VIN. This unit suits selected petrol models including:

  • BMW
    • 1 Series: E87 120i
    • 3 Series: E90 Saloon 320i and 320si, E91 Touring 320i
    • 5 Series: E60 Saloon 545i, E61 Touring 545i
    • 6 Series: E63 Coupe 645Ci, E64 Convertible 645Ci
    • 7 Series: E65/E66 735i, 745i, 760i
  • Citroën
    • Xsara Picasso 1.6 16V

Fitment check before dispatch

We confirm compatibility before shipping. Add your UK reg or the last 7 of your VIN at checkout and our team will verify the part suits your car.

Professional installation

Want it fitted by specialists? MJ Modifications offers installation at our Warwickshire workshop. Request a quote: info@mjmodifications.co.uk.

Part references

  • NGK: 93558
  • NTK: UAR9000-EE054

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