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View Full Version : Crack in 3.5 MAF, Pics inside



jmejia15
01-10-2011, 12:27 PM
went to the junkyard and picked up a 3.5MAF from a e39 540i. when i got home i noticed that it was wrapped in electrical tape. unwound the tape and found a piece of cardboard covering this:
http://i886.photobucket.com/albums/ac67/jmejia15/IMG_20110110_121754.jpg

IF this is sealed completely (which is was), is it ok to still use it in my car? I know that if there is any air escaping it causes problems, but I just want to make sure if its still good when i put in the throttle body and cold air intake

Bulletproof_E82
01-10-2011, 12:34 PM
If you in a bind and absolutely have to use it, I would buy some fiberglass resin and cut out a sheet to cover the hole. You don't want to suck up anything in your intake.

jmejia15
01-10-2011, 12:58 PM
I used some thick rubber splicing tape over the piece of cardboard. smoothed out the edges and after several layers this is how it looks:
http://i886.photobucket.com/albums/ac67/jmejia15/IMG_20110110_125537.jpg
i know it will hold, my only concern is if this will cause any performance issues

LuxoM3
01-10-2011, 01:10 PM
FYI - you CANNOT repair the HFM with Fiberglass, ABS, EPOXY, silicone, etc. The plastic is SUPER oil resistant. I've got the EURO Airbox with a broken temp sensor mount, I've tried EVERYTHING to fix that.

Ended up buying a box from the UK.

If you need an HFM housing, I got a spare from a 540. Need it?

jmejia15
01-10-2011, 01:12 PM
PM me for price.

Volf
01-10-2011, 02:15 PM
From the looks of it, it seems sealed nicely. Curious what impact, if any this will have on airflow considering the inner wall isn't smooth.

jmejia15
01-10-2011, 02:17 PM
Yeah I guess if there is any impact, its going to be very minimal. Heres a pic looking inward
http://i886.photobucket.com/albums/ac67/jmejia15/IMG_20110110_141634.jpg

ScotcH
01-10-2011, 02:35 PM
jb weld that biotch!

elliott95
01-10-2011, 04:00 PM
I wouldnt use it you can buy a 540 one for like $80 shipped

LuxoM3
01-10-2011, 04:06 PM
I can sell you my 540 MAF for $75 shipped. I'll include the body and the sensor. Genuine BMW.

If you just need the housing, I'd sell for $50. Although honestly, you can get a China one off EBAY for around that, and swap the sensor.

das borgen
01-10-2011, 04:10 PM
jb weld that biotch!
+1

l1ttlej7
01-10-2011, 04:15 PM
Oh man that blows, I have an extra one in CT but I'm in NC and have no way to access it to get it to ya, what year is your car?