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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-18-2010, 04:45 AM   #1
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Oxygen sensor

Hi guys!
Wich it's the best oxygen sensor between Bosch and NGK for my car - E46 330i 2003 petrol.I don't want to buy genuine bmw sensor it's to expensive.
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Old 10-18-2010, 04:53 AM   #2
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i always liked bosch. never had a problem with any of their items. i'm due for an o2 sensor DIY soon and i'll most likely be using bosch.
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Old 10-18-2010, 09:33 AM   #3
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Buy BOSCH. They are identical to OE.

http://forum.e46fanatics.com/showpos...3&postcount=23
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Old 10-18-2010, 10:55 AM   #4
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oem is bosch
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Old 10-18-2010, 11:04 AM   #5
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As stated above BOSCH is the OEM supplier to BMW.

We have OEM and BOSCH replacements available below...

Click HERE for more information.


Please let us know if you have any questions! Feel free to shoot me a PM or email.

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Old 10-18-2010, 01:22 PM   #6
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In fact the price of ngk sensor it's a little higher,bosch sensor it's cheaper.Why?
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Old 10-18-2010, 01:35 PM   #7
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Old 10-18-2010, 01:56 PM   #8
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NTK is the OEM supplier. Bosch aftermarket relabels them.
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Cheat Sheet:

GT1/ISIS/MoDiC = Factory authorized diagnostic system used by BMW dealerships across the world.

NCS Expert = BMW Factory R&D programming tool available on the internet (not intended for the public and not available to the dealership network)

OEM = Genuine BMW part only available from a franchised BMW dealership.

DME = Engine Management Computer
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Old 10-19-2010, 11:27 AM   #9
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  • NTK makes them.
  • BOSCH re-boxes them.
  • BMW re-labels the BOSCH.
The moral of the story is...

Dont buy BMW stamped O2 sensors ($200/each).

Buy BOSCH O2 sensors. ($65/each)
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Old 10-19-2010, 11:54 AM   #10
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i will go with the bosch
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Old 10-19-2010, 11:57 AM   #11
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Quote:
Originally Posted by OrientBlau View Post
  • NTK makes them.
  • BOSCH re-boxes them.
  • BMW re-labels the BOSCH.
The moral of the story is...

Dont buy BMW stamped O2 sensors ($200/each).

Buy BOSCH O2 sensors. ($65/each)
no not all are 65...if u have sulev with wideband the cheapest is about 120 each
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Old 10-19-2010, 12:00 PM   #12
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no not all are 65...if u have sulev with wideband the cheapest is about 120 each

Good point. The later yrs (03/03 and on) are more expensive.
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Old 10-19-2010, 12:08 PM   #13
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BTW, does anyone know why the later yr e46 O2 sensors are so much more expensive. What is it about their design that makes them cost so much more. I wonder if the ones used in the older e46 (like mine for $65) are somehow less technologically advanced or something. Or, it could be that just like text books in college, they need a "new" edition to sell more. Like, since the contract with the first set of O2 sensors was expired, so they can be sold as BOSCH, cheaper and sooner. Meanwhile, BMW can still make money on the purchase of new "BMW" O2 sensors, while the old exclusivity "contract" expires. They just tweak something minor in the newer model and get to sell it for so much more. This is all just a marketing POV, of course. Maybe there really is something which makes them expensive due to superior capabilities or materials.
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Old 10-19-2010, 12:15 PM   #14
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Originally Posted by OrientBlau View Post
BTW, does anyone know why the later yr e46 O2 sensors are so much more expensive. What is it about their design that makes them cost so much more. I wonder if the ones used in the older e46 (like mine for $65) are somehow less technologically advanced or something. Or, it could be that just like text books in college, they need a "new" edition to sell more. Like, since the contract with the first set of O2 sensors was expired, so they can be sold as BOSCH, cheaper and sooner. Meanwhile, BMW can still make money on the purchase of new "BMW" O2 sensors, while the old exclusivity "contract" expires. They just tweak something minor in the newer model and get to sell it for so much more. This is all just a marketing POV, of course. Maybe there really is something which makes them expensive due to superior capabilities or materials.
I can confirm my O2's are more technologically advanced. They have 119k on them and run like brand new, despite shop people here telling me they are dead at 100k. Essentially, mine are lifetime parts.
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Old 10-19-2010, 12:16 PM   #15
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Over 4 years and the search function is oblivious to the OP
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Old 10-19-2010, 12:25 PM   #16
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I can confirm my O2's are more technologically advanced. They have 119k on them and run like brand new, despite shop people here telling me they are dead at 100k. Essentially, mine are lifetime parts.
You can keep your O2's until they disintegrate, much like I do with underwear. If they still leave you feeling campy, then why make the change.
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