Cleaning the MAF did wonders
Contributors
Joined: May 2004
Posts: 2,863
Likes: 1
From: SoCal San Diego
My Ride: 545i Sport
Model Year: 2004
Engine: N62
I've been wanting to do the cleaning BenAnd Style but I just can't find the right tool.

Not anymore. I just ordered a set of 5 point Security Bit set. Hope I get the correct size.

Not anymore. I just ordered a set of 5 point Security Bit set. Hope I get the correct size.
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
Contributors
Joined: May 2004
Posts: 2,863
Likes: 1
From: SoCal San Diego
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Contributors
Joined: Apr 2008
Posts: 2,596
Likes: 0
From: New Jersey
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
Great DIY, You should create a thread in the DIY section
Contributors
Joined: Jul 2007
Posts: 739
Likes: 0
From: Nashville
My Ride: 2007 530i Alpine White with Navi and Premium PackageIn progress: OEM Mtech kit, H&R Sport Springs, and 19
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...
Contributors
Joined: Jul 2007
Posts: 739
Likes: 0
From: Nashville
My Ride: 2007 530i Alpine White with Navi and Premium PackageIn progress: OEM Mtech kit, H&R Sport Springs, and 19
Guys I am averaging just over 1 mpg increase since cleaning mine... Every little bit helps...
Contributors
Joined: Apr 2009
Posts: 306
Likes: 0
From: Stevenson Ranch
My Ride: 2008 528i 6MT, Sport Pkg, Prem Pkg, sprint booster, ram air, BMC filter.
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!







