Cleaning the MAF did wonders
#61
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Join Date: May 2004
Location: SoCal San Diego
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My Ride: 545i Sport
Model Year: 2004
Engine: N62
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I've been wanting to do the cleaning BenAnd Style but I just can't find the right tool.
![](http://forums.e60.net/uploads/monthly_04_2009/post-15611-1239106349.jpg)
Not anymore. I just ordered a set of 5 point Security Bit set. Hope I get the correct size.
![](http://forums.e60.net/uploads/monthly_04_2009/post-15611-1239106349.jpg)
Not anymore. I just ordered a set of 5 point Security Bit set. Hope I get the correct size.
#63
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Glad I could help so many people! Enjoy guys, amazing gas mileage and performace! If you have ever lived in a really dusty climate (arizona, nevada etc) or have more than 25k, or have used any aftermarket oiled filters you should definetly clean the MAF. You may be surprised. I lived in arizona and like everyone else on here have been impressed with the results, especially in gas milage and smoothness of ride. MUCH smoother and consistently 4 more mph city or highway and this has been now for almost 2 weeks of data collection so it is pretty convincing
#65
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Join Date: Apr 2008
Location: New Jersey
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My Ride: '05 545 Titanium Silver, Black Leather - Nav, Logic 7, Cold weather.
Mods:
Carbon filter removed.
M5 iDrive knob.
Umnitza license plate LEDs.
MP3
40% 3M tint
ACS Anti-Roll(sway) bars
RPI Scoop
G-tech Pro RR
CF Roundels
CF Wheel caps
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Great DIY, You should create a thread in the DIY section
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#66
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Join Date: Jul 2007
Location: Nashville
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My Ride: 2007 530i Alpine White with Navi and Premium PackageIn progress: OEM Mtech kit, H&R Sport Springs, and 19
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I must say I have noticed a little more zest in mine since I cleaned the MAF 2 nights ago!!! Very easy to do and I think the slightest layer of dust or whatever on the sensor probably changes the vehicles performance, at least a little bit...
#68
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Join Date: Jul 2007
Location: Nashville
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My Ride: 2007 530i Alpine White with Navi and Premium PackageIn progress: OEM Mtech kit, H&R Sport Springs, and 19
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Guys I am averaging just over 1 mpg increase since cleaning mine... Every little bit helps...
#69
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Join Date: Apr 2009
Location: Stevenson Ranch
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My Ride: 2008 528i 6MT, Sport Pkg, Prem Pkg, sprint booster, ram air, BMC filter.
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I just did this over lunch and didn't notice a big difference. Worried a bit since I think I was spraying too close, few inches from the sensors. Although I didn't touch any of the components. I guess I was supposed to spray and mist it about 10 inches away. Will monitor the ride and the mpg in the next weeks or so to see. If no improvements, then I might just try cleaning it again.
Tomorrow I get my sprint booster for manual. Can't wait!
Tomorrow I get my sprint booster for manual. Can't wait!