Genuine BMW Rear Oxygen O2 Lambda Sensor, Bank 1 (Downstream/Post‑Cat), 560mm Lead – E82 E84 E89 E90 – Part 11787545074 – Fits 130i 335i X1 28iX Z4 35i

Genuine BMW Rear Oxygen O2 Lambda Sensor, Bank 1 (Downstream/Post‑Cat), 560mm Lead – E82 E84 E89 E90 – Part 11787545074 – Fits 130i 335i X1 28iX Z4 35i

£228.99
£228.99
£236.00
Sold out
Tax included. Shipping calculated at checkout.

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.

Genuine BMW Rear Lambda Monitor O2 Sensor - Bank 1 - 560 mm - Part Number 11787545074

Looking for a genuine BMW rear O2 sensor for your E82, E84, E89 or E90 series? This is the Genuine BMW rear lambda monitor sensor for Bank 1, length 560 mm, part number 11787545074. It is the downstream, post‑catalyst oxygen sensor that your BMW’s ECU relies on to accurately monitor catalyst performance and emissions.

Search terms our customers use: BMW rear O2 sensor Bank 1, BMW E90 rear oxygen sensor, BMW 335i rear lambda sensor, BMW E82 O2 sensor Bank 1, BMW E89 downstream O2 sensor, BMW Z4 35i O2 sensor, BMW X1 28iX rear lambda, Genuine BMW O2 sensor 11787545074, 560 mm BMW oxygen sensor, post cat lambda sensor BMW.

Why choose this Genuine BMW O2 sensor

  • Genuine OEM BMW quality for perfect fit and long‑term reliability
  • Correct Bank 1 rear sensor with 560 mm lead for hassle‑free installation
  • Direct plug and play connector with precise calibration for accurate AFR and emissions monitoring
  • Restores proper closed‑loop performance and helps maintain fuel efficiency and smooth running
  • Trusted by Nforcd on our own cars and customer vehicles with excellent feedback

Note: If you need the rear O2 sensor for Bank 2, please see our listing for the Genuine BMW 490 mm Rear Lambda Monitor O2 Sensor - Bank 2 for the same chassis and engine applications.

Product details

  • Position: Rear lambda monitor sensor, Bank 1 (downstream, post‑cat)
  • Cable length: 560 mm
  • Part number: 11787545074
  • Manufactured by: BMW

Compatibility

Fits the following BMW models when specified with a rear Bank 1 lambda sensor. If in doubt, use our compatibility check below.

1 Series

  • 1' E81 (02/2006 to 12/2011) - 130i
  • 1' E87 (03/2005 to 02/2007) - 130i
  • 1' E87 LCI (01/2006 to 06/2011) - 130i
  • 1' E88 (11/2006 to 10/2013) - 125i, 128i, 135i
  • 1' E82 (11/2006 to 10/2013) - 125i, 128i, 135i, 1M

3 Series

  • 3' E90 (02/2004 to 09/2008) - 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi
  • 3' E90 LCI (07/2007 to 12/2011) - 323i, 325i, 325xi, 328i, 328xi, 330i, 335i, 335xi
  • 3' E91 (02/2004 to 08/2008) - 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi
  • 3' E91 LCI (07/2007 to 05/2012) - 323i, 325i, 328i, 328xi, 330i, 335i, 335xi
  • 3' E92 (05/2005 to 02/2010) - 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi
  • 3' E92 LCI (07/2009 to 06/2013) - 323i, 325i, 325xi, 328i, 328xi, 330i, 335is
  • 3' E93 (09/2005 to 02/2010) - 323i, 325i, 328i, 330i, 335i
  • 3' E93 LCI (07/2009 to 10/2013) - 323i, 325i, 328i, 330i, 335is

X Series

  • X1 E84 (09/2008 to 08/2011) - X1 25iX, X1 28iX
  • X3 E83 LCI (02/2006 to 08/2010) - X3 2.5si, X3 3.0i, X3 3.0si
  • X5 E70 (05/2006 to 03/2010) - X5 3.0si

Z Series

  • Z4 E89 (01/2008 to 08/2016) - Z4 23i, Z4 30i, Z4 35i, Z4 35is

Compatibility check

We verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout so we can confirm this oxygen sensor suits your exact vehicle.

Fitting service

Prefer professional installation? Nforcd offers fitting at our Warwickshire workshop. Request a quote at Sales@nforcd.com.

Warranty

Two years manufacturer warranty for UK customers and one year for international customers when a valid VIN is provided at checkout on compatible vehicles.

Common search terms to help you find the right part

BMW rear O2 sensor Bank 1, BMW oxygen sensor downstream, BMW lambda sensor rear, BMW E90 rear O2 sensor 11787545074, BMW 335i Bank 1 post cat O2, BMW E82 E84 E89 O2 sensor 560 mm, genuine BMW oxygen lambda probe.