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Go Back   bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 06-12-2008, 10:22 AM
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mmm635 mmm635 is offline
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Found a good source for OEM MAF for I6...

If any of you guys with an I6 needing a MAF, then I have a good source for you. I ordered one off of Ebay (took a chance) from http://cgi.ebay.com/ebaymotors/ws/eB...B:EOIBSA:MT:11 and it turned out to be the real deal. It is exactly like the one that came off of my car except that the part number was scraped off - typical of an oem part for liability purposes. The box was factory sealed and the label on the box had the holographic number from Siemens-VDO (German Made) - it is the real deal! The part was only $150 shipped and is cheaper than anything I could find out there. Now, there are some that are cheaper, but they are most likely made in China. So, be careful what you purchase for such a vital part that has a huge impact on fuel efficiency - expecially considering the current price of gas.

After I installed it last night, my car is running much smoother, transition between shifts is smoother, and the MPG is much better. The mpg on the interstate is back to 31-32 mpg.

Just thought I would pass this by some of you since this is a great deal for an oem part - this vendor only has six of them left for sale - better hurry if you need one. I have no affiliation with the seller - just trying to help some brothas out when a good deal pops up.
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Last edited by mmm635; 06-12-2008 at 10:32 AM.
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  #2  
Old 06-12-2008, 10:35 AM
dbruce dbruce is offline
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Thanx for the tip......just picked one up off Ebay. Since I'm replacing the intake boots....might as well change it out with 80k on the clock.

Tischer, which discounts 20%+ has the part for 300 and change plus shipping. With insurance, the OP's deal is 150 and change

Last edited by dbruce; 06-12-2008 at 10:42 AM.
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  #3  
Old 06-12-2008, 10:37 AM
Ben Carufel Ben Carufel is offline
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I'll be damned. I just bought one last week at the dealer for $290, even with my employee discount.

Sonofabitch.
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  #4  
Old 06-12-2008, 10:39 AM
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mmm635 mmm635 is offline
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Quote:
Originally Posted by dbruce View Post
Thanx for the tip......just picked one up off Ebay. Since I'm replacing the intake boots....might as well change it out with 80k on the clock.
Good deal! Yeah, I have about 70K on the clock and tried cleaning it - did not have much improvement. So, replacement was my only option.
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  #5  
Old 06-12-2008, 10:41 AM
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mmm635 mmm635 is offline
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Originally Posted by Ben Carufel View Post
I'll be damned. I just bought one last week at the dealer for $290, even with my employee discount.

Sonofabitch.
I feel your pain Ben. That is usually what happens to me when it comes to parts due to my impatience when I want to replace something pronto.
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  #6  
Old 06-12-2008, 10:56 AM
dbruce dbruce is offline
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Just a note, but according to the Ebay link, the 2000 Sonata V6 uses the same part ......so with a little research.....I'm sure it can be found for less then 300.

Just doing a very little bit of research......for the 2.5 V6....it's:

mass air flow sensor, sonata, 2.5l 99-01 $218.43 $0.00 $185.67
Electrical - Powertrain control - mass air flow sensor

If it is indeed the same part, as the site says......you can get a brand new one for $185 and probably cheaper with a bit of research:

http://www.newhyundaiparts.com/

Last edited by dbruce; 06-12-2008 at 11:07 AM.
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Old 06-12-2008, 11:07 AM
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SHWELL SHWELL is offline
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Quote:
Originally Posted by dbruce View Post
Just a note, but according to the Ebay link, the 2000 Sonata V6 uses the same part ......so with a little research.....I'm sure it can be found for less then 300.
if that is true i am calling hyundai tomorrow...... i bet if it is listed under sonata, you'll pay half that..... i hope.....
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Old 06-12-2008, 11:12 AM
dbruce dbruce is offline
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if that is true i am calling hyundai tomorrow...... i bet if it is listed under sonata, you'll pay half that..... i hope.....
Go to the local Hyundai dealer with a MAF and ask the parts guy to check for you. Once I install the one I just ordered......I may take a ride over for the fun of it.

With all the Hyundai bashing on these boards........gotta love it.
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Old 06-12-2008, 11:25 AM
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SHWELL SHWELL is offline
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hyundai MAF




BMW MAF








Just looking at it, they might work.
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  #10  
Old 06-12-2008, 11:29 AM
dbruce dbruce is offline
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Looks to be the exact same part. If you invert one of the pictures that looks at each straight on.....it's an exact match (IMO).
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  #11  
Old 06-12-2008, 01:18 PM
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I am close to 60k, how often are we supposed to change the MAF?
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Old 06-13-2008, 05:53 AM
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Thanks for the tip. I just ordered one.

I'm getting only 17.5 MPG in my '03 525 with 60K miles and I'm desperate looking for something that helps to improve the MPG.
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Old 06-13-2008, 08:26 AM
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Please post what you find on the e46 forum. This is great to know if it turns out to be true.
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Old 06-13-2008, 09:30 AM
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I'd be very careful about trusting an ebay seller on the part being the same for the Hyundai. If it's true, it's great, but I've never heard about this before and you'd think people on the boards would know about it the way they do about certain Range Rovers using the same MAF as certain year 540s. It's pretty well known that the Range Rover 2002-2005 has the same engine as the 99-03 540i and uses the same MAF. 97-98 uses a different MAF as do earlier Range Rovers, and when you open the box you can find the Bosche part number stamped right into the housing so there's no question it's the exact same part and part number.

So before ordering the Hyundai part, be sure you know what years are supposed to match what years for the I6 and that the MAF has the manufacturer's part number somewhere on the unit. Otherwise you could end up with a Hyundai part you're unable to return. Check any website and you'll see in the fine print that MAFs are exempt from their return policy - at least all the ones I found were. I got my Range Rover MAF from GetCoolParts because Scott guaranteed me it was the identical Bosch part or he'd take it back no questions asked regardless of their policy exclusion. No one else would do that or even guarantee that the Range Rover part they sent would be the OEM Bosch part and not another brand. They just look at the computer and send out what they have in stock for that car and year, but Scott actually went down to the warehouse, got one and opened it up to check for me. That earned my business even if he was $20 or so more than I could have found the part on other sites.

Last edited by 1Dreamer; 06-13-2008 at 09:35 AM.
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  #15  
Old 06-13-2008, 11:04 AM
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Quote:
Originally Posted by 1Dreamer View Post
I'd be very careful about trusting an ebay seller on the part being the same for the Hyundai. If it's true, it's great, but I've never heard about this before and you'd think people on the boards would know about it the way they do about certain Range Rovers using the same MAF as certain year 540s. It's pretty well known that the Range Rover 2002-2005 has the same engine as the 99-03 540i and uses the same MAF. 97-98 uses a different MAF as do earlier Range Rovers, and when you open the box you can find the Bosche part number stamped right into the housing so there's no question it's the exact same part and part number.

So before ordering the Hyundai part, be sure you know what years are supposed to match what years for the I6 and that the MAF has the manufacturer's part number somewhere on the unit. Otherwise you could end up with a Hyundai part you're unable to return. Check any website and you'll see in the fine print that MAFs are exempt from their return policy - at least all the ones I found were. I got my Range Rover MAF from GetCoolParts because Scott guaranteed me it was the identical Bosch part or he'd take it back no questions asked regardless of their policy exclusion. No one else would do that or even guarantee that the Range Rover part they sent would be the OEM Bosch part and not another brand. They just look at the computer and send out what they have in stock for that car and year, but Scott actually went down to the warehouse, got one and opened it up to check for me. That earned my business even if he was $20 or so more than I could have found the part on other sites.
I agree with you 100% if you are talking about a different Ebay seller selling a Hyundai part. I am very cautious about what I put on my car and, as mentioned in my first post, took a chance since the seller guaranteed the part to be an authentic Siemens-VDO MAF - and it was to my luck.

The part I received and installed in my car has the exact same part numbers on it that are not BMW specific (Siemens-VDO Specific) - it is the same one you will get from the dealer. The BMW specific part number was scraped off just like all of the part numbers on the OEM Lemfoerder suspension parts on my car that were manufactured on the same line as the OEM units.

Siemens-VDO manufactures the MAF and it can be used in several applications regardless of what manufacturer chooses to do so. The VW MAF that people are using is not the exact part that is 100% compatible with BMW's ECU programming, hence the 10% difference in the amount of air flow metered.
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Old 06-13-2008, 11:57 AM
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Quote:
Originally Posted by mmm635 View Post
I agree with you 100% if you are talking about a different Ebay seller selling a Hyundai part. I am very cautious about what I put on my car and, as mentioned in my first post, took a chance since the seller guaranteed the part to be an authentic Siemens-VDO MAF - and it was to my luck.

The part I received and installed in my car has the exact same part numbers on it that are not BMW specific (Siemens-VDO Specific) - it is the same one you will get from the dealer. The BMW specific part number was scraped off just like all of the part numbers on the OEM Lemfoerder suspension parts on my car that were manufactured on the same line as the OEM units.

Siemens-VDO manufactures the MAF and it can be used in several applications regardless of what manufacturer chooses to do so. The VW MAF that people are using is not the exact part that is 100% compatible with BMW's ECU programming, hence the 10% difference in the amount of air flow metered.
Yes, that was the point I was trying to make - you want the same Siemens brand part number and not just go by a website offering a Hyundai MAF that they say is the same, as what may show up may be another off brand from China or somewhere. Range Rover sometimes used a British supplier and their parts are known for being crappy so I wanted to make sure I got the Bosch part and not the British brand part.

I avoid ebay, but wow, this is good news for I6 owners in need of a new MAF, especially if they can buy a Siemans from a Hyundai dealership or parts distibutor for half the price the V8 owners can with the Ranger Rover part. Can't believe no one has uncovered this before. You may end up to be a board hero.
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Old 06-13-2008, 12:05 PM
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Originally Posted by 1Dreamer View Post
Yes, that was the point I was trying to make - you want the same Siemens brand part number and not just go by a website offering a Hyundai MAF that they say is the same, as what may show up may be another off brand from China or somewhere. Range Rover sometimes used a British supplier and their parts are known for being crappy so I wanted to make sure I got the Bosch part and not the British brand part.

I avoid ebay, but wow, this is good news for I6 owners in need of a new MAF, especially if they can buy a Siemans from a Hyundai dealership or parts distibutor for half the price the V8 owners can with the Ranger Rover part. Can't believe no one has uncovered this before. You may end up to be a board hero.

I might have to do a little Hyundai research - maybe it can save major moola for people. I have gotten burned on Ebay in the past and usually skeptical about ordering anything - especially with the huge influx of Chinese manufactured parts floating around.
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Old 06-13-2008, 12:48 PM
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The PDF below might strike some interest for some of you guys. This is a sheet from Siemens-VDO catalog and it has the BMW MAF and the Hyundai as the same part. I could not attach the whole catalog due to the file size, but it looks like they are indeed the same exact part. I will need to do some further investigation, but at least it is something that some of you may be able to help research as well or a place to start.

Link to entire catalog: http://www.krautli.pt/catalogos/SIEM...de%20Motor.pdf
Attached Files
File Type: pdf Siemens 5WK96050Z.pdf (57.7 KB, 151 views)
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Old 06-13-2008, 03:33 PM
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So, I can run down to Hyundai and buy the MAF?

Holy smokey joe...!
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Old 06-13-2008, 05:33 PM
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I'm so freaking confused, looking at Michel's "Siemans PDF", I have the 9600Z, top right corner, why would "Shwell" which has a 97, and "Dbruce" which has a 00 have the same part, but my 98 is different?
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Old 06-13-2008, 06:23 PM
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I'm so freaking confused, looking at Michel's "Siemans PDF", I have the 9600Z, top right corner, why would "Shwell" which has a 97, and "Dbruce" which has a 00 have the same part, but my 98 is different?
Dbruce's car should have the same MAF as the one I have, which happens to be a plug in connector. However, if Shwell has the original motor/intake in his car then he should have the 13621703275 screw in connector. What is misleading is that the realoem diagram shows a screw in connector for Dbruce's car, but the part number is 13621432356 and is the plug in connector - not all of their diagrams are true depictions of what the part really looks like.

Shwell, chime in and let us know which one you have. If it is indeed 13621432356, then something weird is going on.
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Old 06-13-2008, 06:37 PM
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Thanks for the research Michel......

I always wondered why BMW switched to plug in to screw in MAF's.
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Old 06-13-2008, 08:07 PM
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I have the 97 with the screw in type. But I also hae access to a newer E39 with the plug.... That is why I was so interested.... Sorry for the confusion....
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Old 06-14-2008, 05:18 AM
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This link http://www.newhyundaiparts.com/ reveals that there are two different sensors for a 2001 Sonata. If you look at the Siemens catalog the BMW/Hyundai MAF is on page 7, then on page 10 there's another MAF for the Sonata, different catalog number (not sure what the difference is though the picture appears to be the same). I suspect that the less expensive one listed on this parts link isn't compatible with BMW at least for my vehicle. What would you all conclude? Do a search and check it out. I did a search for the 2001 Sonata because my e46 330Ci is 2001.
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Last edited by dj330Ci; 06-14-2008 at 05:46 AM.
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Old 06-14-2008, 05:45 AM
dbruce dbruce is offline
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Okay. This is what I've found so far. This link is a parts lookup for the sensors; there are two. If you look at the Siemens catalog the BMW/Hyundai MAF is on page 7, then on page 10 there's another MAF for the Sonata, different catalog number. I suspect that the more expensive one listed on this parts link is the BMW one. Yes, I am that OCD! However would love to hear what others would conclude. http://www.trademotion.com/partlocat...&siteid=213714
The more expensive one is for the 4 cylinder Sonata.....checked that already. Just look up MAF on the Hyundai link I posted and the two will show up. The V6 one.....the one we want....is only $185. The other one runs around 400.
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