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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > M Series > E39 M5 (1998-2003)

E39 M5 (1998-2003)

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  #1  
Old 03-05-2007, 06:06 PM
Leggs Leggs is offline
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MAF Sensor

Ok yawl what's up with this using the VW MAF Sensor? I don't think I'm in need for 1 just yet or rather 2 is what I should say but if the VW MAF Snsor does work just as good as the OEM from BMW then what is the part number for it since there is a VW Dealer right down the road from me and have any of you guys used the VW MAF on your M5?
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  #2  
Old 03-05-2007, 06:57 PM
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Bruce Bruce is offline
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I bought mine from DavidS on m5board.com. Easy 10 minutes install. Not sure if they were BMW or VW parts. You cna search on m5board and find the VW part number and lots of places to order them from.
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  #3  
Old 03-05-2007, 08:36 PM
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stika stika is offline
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It's true. They work. I think they have the same Bosch part number. Plus they're way cheaper. Have you cleaned yours yet? Makes a difference.
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  #4  
Old 03-06-2007, 05:30 PM
Leggs Leggs is offline
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Maf

Ok I will search the M5 board but if U already have the part# be nice just post it on her for the blind and stupid lol. No I haven't replaced mine as of yet the car feels strong when I drive it. Plus here in town I drive without the sports button on anyway haven't had a chance to really open her up as she should be driven ashame all this performance.
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  #5  
Old 03-06-2007, 05:41 PM
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I don't have the PN.

There is a procedure you can do to test the MAFs and tell if they are bad. Search for DavidS on M5board and I believe there is a link in his sig.
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  #6  
Old 03-06-2007, 09:41 PM
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Okay. For MAFs, #064906461A (this is the VW part #). And since I'm going to change my pre-cat O2 sensors, #C5010-162704, I'll list it also.

FYI, with the VW part, you'll have to remove the sensor from the housing and transfer it to the M5's ( for those who didn't know).

TIME TO GET DIRTY GUYS!!! (a little anyway)
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  #7  
Old 03-07-2007, 06:49 AM
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Quote:
Originally Posted by stika View Post
Okay. For MAFs, #064906461A (this is the VW part #). And since I'm going to change my pre-cat O2 sensors, #C5010-162704, I'll list it also.

FYI, with the VW part, you'll have to remove the sensor from the housing and transfer it to the M5's ( for those who didn't know).

TIME TO GET DIRTY GUYS!!! (a little anyway)
May I ask what this sensor is costing you?
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  #8  
Old 03-07-2007, 06:58 AM
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Performance Cafe has em for $79.
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  #9  
Old 03-07-2007, 07:29 AM
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Performance Cafe has em for $79.
Thanks Bruce, Is that the meter itself or the entire housing and sensor new?
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  #10  
Old 03-07-2007, 08:58 AM
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It is the MAF is the VW housing. You have to remove the MAF from that housing and pitch it. I bought mine from DavidS and it came with just the MAFs.
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  #11  
Old 03-13-2007, 08:04 PM
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+1
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  #12  
Old 03-19-2007, 05:25 PM
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Clean the MAF

Quote:
Originally Posted by stika View Post
It's true. They work. I think they have the same Bosch part number. Plus they're way cheaper. Have you cleaned yours yet? Makes a difference.
I have not tried to clean them but I am sure considering it for sure. What size socket will I need and what contact cleaner is best that will not leave a residue on the MAF once cleaned
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  #13  
Old 03-19-2007, 05:31 PM
Leggs Leggs is offline
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Quote:
Originally Posted by stika View Post
Okay. For MAFs, #064906461A (this is the VW part #). And since I'm going to change my pre-cat O2 sensors, #C5010-162704, I'll list it also.

FYI, with the VW part, you'll have to remove the sensor from the housing and transfer it to the M5's ( for those who didn't know).

TIME TO GET DIRTY GUYS!!! (a little anyway)
Just like to ask you where did you get the pre-cat sensors from?
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  #14  
Old 03-19-2007, 06:00 PM
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stika stika is offline
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I'm still looking for the O2 sensors online at a good price. I'll PM you if I find them.
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