Cleaning the MAF did wonders
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Joined: May 2004
Posts: 2,863
Likes: 1
From: SoCal San Diego
My Ride: 545i Sport
Model Year: 2004
Engine: N62
5 Point 9pc Tamper Proof Torx Bit Set T10 - T50 <--This is where I bought mine.
5 Point Star TORX Tools BMW
5 Point Star TORX Tools BMW
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Joined: Mar 2007
Posts: 1,769
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From: Newnan, Georgia
My Ride: 2004 545i
Production date: 02/04
Color: Black Sapphire Metallic
Trim: Anthracite
Options: Sport package with STEPTRONIC, Premium Sound, Rear Sunshade, Xenon
Just bought the cleaner....gonna do it NOW.... 
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Joined: Nov 2008
Posts: 172
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From: Plano, TX
My Ride: 2004 (07/03) 530i, Mystic Blue Metallic, Beige Leather, Premium Package, Sports Package, Steptronic, Adaptive Xenons, euro red reflectors, K/N air filter, Falken 452's
My e60 is almost six years old, I am the original owner, 71k miles, 1st time cleaning the MAF. I used the CDC MAF cleaner.
Results- 4-5 mpg increase, much smoother and much faster.
AWESOME!
I suspect that the older the car is, the more benefit will be realized.
Also probably one of the easiest bits of maintenance one can do.
I think I'll wash the K/N tomorrow.
Results- 4-5 mpg increase, much smoother and much faster.
AWESOME!I suspect that the older the car is, the more benefit will be realized.
Also probably one of the easiest bits of maintenance one can do.
I think I'll wash the K/N tomorrow.
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Joined: Sep 2007
Posts: 8,199
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Model Year: .
Originally Posted by Rizbel' post='876767' date='May 12 2009, 09:17 PM
5 Point 9pc Tamper Proof Torx Bit Set T10 - T50 <--This is where I bought mine.
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Joined: Nov 2009
Posts: 56
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From: Brampton, Ontario
I just finished cleaning my MAF. Was pretty easy, and I didnt notice a DRASTIC change but it did help quite a bit. I still had vibration with heated seats, heated steering wheel and the heat in the car on (just to test) with those all off there was minimal. I'm going to finish the engine additives I got and 93 octane for the next little while.
Thanks again guys, I couldn't have done the MAF without the help of you guys.
Thanks again guys, I couldn't have done the MAF without the help of you guys.
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Joined: Jun 2005
Posts: 41
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From: Singapore
My Ride: May 2005 BMW 523i
Thanks for this very useful thread! Today I changed the Air filter as well as cleaned the Hot-film Mass Air Flow sensor on my 05 523i, and though nothing drastic, there was a perceptable improvement in smoothness, and throttle response. Also, they don't sell CRC MAF cleaner here, so i substituted for a electrical cleaner that does not leave any residue.
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