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Has anyone used DENSO O2 sensors?
The materials used appear better than most; stainless steel. $64 at Rock Auto. DENSO- Porous PTFE Filter - Allows atmospheric oxygen to enter the sensor without permitting water or engine contaminants to seep into the casing. Robotic Laser Weld Aluminum-Oxide Trap Layer - Keeps silicone and lead outside the ceramic elient through DENSO's exclusive design, preventing damage to the platinum electrode. Stainless Steel Housing - Resists corrosion and contamination with a rugged, watertight body. Double Protection Cover - Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning. Features Corrosion-resistant stainless steel construction PTFE filter blocks efficiency-robbing contaminants Refined zirconia element improves sensor response Benefits Superior design maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions First Time Fit® delivers the right part the first time Ensures smog test compliance
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740iLDUKE 01' DINAN 7 S62 Swap - Stratus Grau (1587 produced in SG 440) 02' 4.6is DINAN X5 S2 Supercharged 833/3258 produced | 1/27 Dinan X5's |
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#2
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My thought is I'm ok with non Bosch for downstream but I'm going to replace some non Bosch with OE Bosch for my pre cat sensors because I'm getting odd results with supposedly OE quality pre cat sensors.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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Quote:
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I've used/installed plenty if Denso O2 sensors - not on a BMW though. Never had an issue with them. Even installed some "Denso" sensors for a chap at work once - he got them cheap on eBay from a large eastern country. At the price he paid, I doubt they were genuine but the quality looked ok and they installed and worked perfectly (in his Toyota Previa).
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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I have use both Denso and NGK (NTK O2 sensors). All worked as designed and the systems functioned properly without any issues.
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
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I too have been contemplating an O2 swap... got a code for pre-cat 1.
Been looking at different options... can't see paying 270$ for BMW parts, when Bosch is literally less than half that per sensor. Denzo seems to be somewhat reputable.. not sure how they would do though.
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Auto Enthusiast. Tech Extraordinaire. 05' Land Rover LR3 06' E53 X5 3.0i 07' X3 3.0si 08' X3 3.0si 17' Interceptor 3.7 AWD Sedan |
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Bosch is oe
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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either way....
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Yes, Bosch is OE for my 3.0i, so I used those for the upstream ones. I replaced at about 160k miles, soon after getting the car, when I foolishly thought I should be getting better gas mileage than I was. No change - no problems before or after. No change in MPG.
I've used Denso in other cars (e.g., Japanese ones) and I'd say the brand is at least as good as Bosch. So I'd use Bosch in my X5 and Denso in my Lexus, etc. For my 3.0i: upstream sensors = Bosch 13477 downstream = Bosch 15109 universal = Bosch 15738, for both upstream and downstream. Yes, same sensor, different wiring socket (and a much longer wire for downstream) for up vs. downstream. So I saved the (assumed good) original upstream ones I removed. Figure if I ever get a code on a downstream one, after swapping the two downstream sensors with eachother to confirm a sensor failure, I can splice in the original upstream one at least as a test.
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2001 X5 3.0i, 203k miles, AT, owned since 2014 Last edited by oldskewel; 12-28-2018 at 11:08 PM. |
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4.6is, denso, o2 sensor |
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