--- product_id: 421072271 title: "KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2" brand: "kec" price: "€ 145.29" currency: EUR in_stock: true url: https://www.desertcart.sk/products/421072271-kec-pack-of-4pcs-upstream-and-downstream-o2-oxygen-sensor store_origin: SK region: Slovakia --- # 4 Oxygen Sensors Vehicle Specific Fit 1-Year Warranty KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 **Brand:** kec **Price:** € 145.29 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate Your BMW's Performance with Precision Sensors! ## Quick Answers - **What is this?** KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 by kec - **How much does it cost?** € 145.29 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/421072271-kec-pack-of-4pcs-upstream-and-downstream-o2-oxygen-sensor) ## Best For - kec enthusiasts ## Why This Product - Trusted kec brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Peace of Mind:** 1-Year Unlimited Miles Warranty for worry-free driving. - • **Durable Design:** Built to withstand the rigors of the road, enhancing longevity. - • **Easy Installation:** User-friendly design for a hassle-free installation experience. - • **Precision Fitment:** Engineered specifically for BMW models, ensuring optimal performance. - • **Comprehensive Package:** Includes 4 high-quality oxygen sensors for complete replacement. ## Overview The KEC Pack of 4 Oxygen Sensors is a premium replacement solution for BMW 750IL, 540I, M5, and 740Il models, featuring vehicle-specific fitment and a 1-year unlimited miles warranty, ensuring reliability and performance on the road. ## Description KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2COMPATIBLE MODELSMake Model Engine Year Notes BMW 540I V8-4.4 2003-1997 2Pcs Upstream + 2Pcs Downstream BMW 740I V8-4.4 2001-1997 2Pcs Upstream + 2Pcs Downstream BMW 740IL V8-4.4 2001-1996 2Pcs Upstream + 2Pcs Downstream BMW 750IL V12-5.4 1998 M73 Engine ;2Pcs Upstream + 2Pcs Downstream BMW 750IL V12-5.4 1997-1995 2Pcs Upstream + 2Pcs Downstream BMW M5 V8-5.0 2003-2000 2Pcs Upstream + 2Pcs Downstream ## Features - Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L - Interchange Part Number: 234-4672 x2 234-4681 x2 - Product Specifications: Package Includes-4 x Oxygen Sensor - Pls carefully check your vehicle year & make & model with the fitment of and our description. You must read our description carefully, and it will tell you more about the fitment. Pls check your part pictures with our pictures, it must be completely same. Or it will not fit your car. Pls check your parts No. It must be among our fitment OEM No. - 1-Year Unlimited Miles Warranty. If the oxygen sensor doesn not fit your vehicle, we accept return. Please make the item clean and package in good condition. - Part number: SAN-B4OS068 - Fit type: Vehicle Specific ## Images ![KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 - Image 1](https://m.media-amazon.com/images/I/61955ZFdvfL.jpg) ![KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 - Image 2](https://m.media-amazon.com/images/I/51C3bAdGngL.jpg) ![KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 - Image 3](https://m.media-amazon.com/images/I/51R6OyZl2GL.jpg) ![KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 - Image 4](https://m.media-amazon.com/images/I/61UeUKMmPWL.jpg) ![KEC Pack of 4Pcs Upstream And Downstream O2 Oxygen Sensor Replacement For BMW 750IL 540I M5 740Il 4.4L 5.4L 5.0L 234-4672 x2 234-4681 x2 - Image 5](https://m.media-amazon.com/images/I/51Mu5W3YtwL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/421072271-kec-pack-of-4pcs-upstream-and-downstream-o2-oxygen-sensor](https://www.desertcart.sk/products/421072271-kec-pack-of-4pcs-upstream-and-downstream-o2-oxygen-sensor) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-27*