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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > oxygen sensors - can you replace/splice in universal ones?



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      10-08-2010, 05:38 PM   #1
jpsimon
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oxygen sensors - can you replace/splice in universal ones?

The full OEM bosch units are very expensive, has anyone bought universal ones and just spliced them in to the stock harness? If so any details would be great!

for reference, here are a bunch that supposedly work with the 335:
http://www.racepages.com/products/?N...r&N=4294960940
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Last edited by jpsimon; 10-08-2010 at 05:49 PM.
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      10-08-2010, 05:48 PM   #2
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I'd like an answer for this as well! The super ultra special BMW O2 sensors are wayyyyyy overpriced.
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      10-08-2010, 09:42 PM   #3
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i'm running the spliced on O2 sensors (Bosch) from Autozone. It's the same one as OEM but splice on instead of plug in connector. I've had it for over a year now..
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      10-08-2010, 11:24 PM   #4
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Quote:
Originally Posted by ontopofm View Post
i'm running the spliced on O2 sensors (Bosch) from Autozone. It's the same one as OEM but splice on instead of plug in connector. I've had it for over a year now..
really good to know would you have a part #.
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      10-09-2010, 12:23 AM   #5
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I thought we have wideband O2 sensors?
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      10-09-2010, 02:10 AM   #6
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Quote:
Originally Posted by ontopofm View Post
i'm running the spliced on O2 sensors (Bosch) from Autozone. It's the same one as OEM but splice on instead of plug in connector. I've had it for over a year now..
what part number?
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      10-09-2010, 02:16 AM   #7
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i dont remember but you can search for it on autozone website
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      10-09-2010, 02:46 AM   #8
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I've been using the spliced universal one from Bosch on my 1 of my rear O2 sensor, it's been working great so far. Part # 15733.
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      10-09-2010, 06:29 PM   #9
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front sensors are wideband BOSCH LSU 4.9 sensors

You can find the generic bosch sensor, it has the same connector as the BMW (BOSCH invented this connector)

Rear ones are standard narrow band, you can replace with any you find
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      10-09-2010, 07:01 PM   #10
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http://www.autozone.com/autozone/par.../N-jpkodZ8gcvp

how in the world do you add product to basket??? i hope they send to EU :-)
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      10-09-2010, 08:42 PM   #11
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it would be really nice if you could also source the plug and integrate that into a PnP option at much lower cost.

hell I'll make em and sell em
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      10-10-2010, 01:42 AM   #12
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Quote:
Originally Posted by enrita View Post
http://www.autozone.com/autozone/par.../N-jpkodZ8gcvp

how in the world do you add product to basket??? i hope they send to EU :-)
Tischer is cheaper if you're going for the whole sensor/harness replacement, i think they're $177 vs. 221
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      10-10-2010, 01:47 AM   #13
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Quote:
Originally Posted by marconi118 View Post
front sensors are wideband BOSCH LSU 4.9 sensors

You can find the generic bosch sensor, it has the same connector as the BMW (BOSCH invented this connector)

Rear ones are standard narrow band, you can replace with any you find
here is the one you're talking about:
http://cgi.ebay.com/ebaymotors/ws/eB...d=260675394656

from a bosch website:
Quote:
Wide Band oxygen sensors may also be referred to as 5 Wire oxygen sensor, Lambda sensors, Lean Burn oxygen sensors and Air/Fuel sensors (although not all Air/Fuel sensors are wide band).
if our fronts are wideband, they must be 5 wire right? someone said our fronts are 4 wire... can someone confirm 100% which is correct and if the sensor from the link above will work
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Last edited by jpsimon; 10-10-2010 at 03:39 AM.
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      10-10-2010, 11:03 AM   #14
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here are the parts bosch lists for the 335:
http://www.boschautoparts.com/Vehicl...=OxygenSensors

including the 5-wire a/f wideband upstream sensors:

Quote:
part number: 17098
Wideband A/F Sensor - OE Type - Exact Fit - Upstream Sensor O2 sensor located in front manifold / exhaust pipe; 5 Wire; Wideband A/F; Check / Replace Interval: 100,000 Miles

part number: 17099
Wideband A/F Sensor - OE Type - Exact Fit - Upstream Sensor O2 sensor located in rear manifold / exhaust pipe; 5 Wire; Wideband A/F; Check / Replace Interval: 100,000 Miles

so i think this should be good:
http://cgi.ebay.com/ebaymotors/ws/eB...#ht_982wt_1167
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      10-10-2010, 11:43 AM   #15
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great find jpsimon! cant by from Tischer since they dont ship to EU anymore.
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      10-11-2010, 04:23 AM   #16
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I confirm that the bosh LSU4.9 is the same as BMW

the only difference may be the wire length.
The connector is the same. I compared it

Last edited by marconi118; 10-11-2010 at 04:30 AM.
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      10-11-2010, 08:55 AM   #17
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thanks! got your PM. very helpful
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      03-21-2011, 09:54 AM   #18
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pls can anyone help me on this ?
http://www.e90post.com/forums/showth...oxygen+sensors
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      03-21-2011, 09:57 AM   #19
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yea we got a bosche one from napa and spliced it in on the shop car
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      03-21-2011, 12:13 PM   #20
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A vendor should make a plug and play harness and clean up, they did this on my last car.
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      03-21-2011, 12:19 PM   #21
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Quote:
Originally Posted by JPSlick View Post
A vendor should make a plug and play harness and clean up, they did this on my last car.
+1
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      12-02-2011, 03:03 AM   #22
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price here is much expensive, thx for the info
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