Air filter replacement (N42 engines)

davida3544 · 09-20-2008, 11:01 AM

Our engines differ from all the other DIY's I've seen for the air filter so thought i would post this.

Hope it helps.

1. Remove the cover with the BMW badge on it. See pic 1

2. Remove the top cover. See pic 2

3. Remove the two hex bolts holing the filter housing. See pic 3

4. Unscrew the jubilee clip and pull back the pipe. See pic 4

5. Pull the small pipe off the housing. See pic 5

6. Remove the MAF sensor plug by pushing in the two lugs and pulling. See pic 6.

Continued

davida3544 · 09-20-2008, 11:14 AM

7. Loosen the jubilee clip and remove the pipe. See pic 7

8. Remove all screws holding on the lid. At this time you can see the filter but can not remove it yet. See pic 8

9. Remove the two hex nuts holding on the MAF sensor. Pull the sensor away from the housing. See pic 9

10. The air filter can now be removed and replaced.

11. This could be a good time to clean the MAF with the proper cleaner.

12. Replace in the reverse order.

Easy

00bmw323 · 09-20-2008, 11:27 AM

nice DIY

libtech75 · 10-06-2008, 04:22 PM

Exactly what I was looking for...

09-20-2008, 11:01 AM	#1
davida3544 Registered User Join Date: Mar 2008 Location: Stockport, England Posts: 9 My Ride: 318i sport convert View My Garage	Air filter replacement (N42 engines) Our engines differ from all the other DIY's I've seen for the air filter so thought i would post this. Hope it helps. 1. Remove the cover with the BMW badge on it. See pic 1 2. Remove the top cover. See pic 2 3. Remove the two hex bolts holing the filter housing. See pic 3 4. Unscrew the jubilee clip and pull back the pipe. See pic 4 5. Pull the small pipe off the housing. See pic 5 6. Remove the MAF sensor plug by pushing in the two lugs and pulling. See pic 6. Continued Attached Thumbnails

09-20-2008, 11:14 AM	#2
davida3544 Registered User Join Date: Mar 2008 Location: Stockport, England Posts: 9 My Ride: 318i sport convert View My Garage	Air filter replacement (N42 Engines) 7. Loosen the jubilee clip and remove the pipe. See pic 7 8. Remove all screws holding on the lid. At this time you can see the filter but can not remove it yet. See pic 8 9. Remove the two hex nuts holding on the MAF sensor. Pull the sensor away from the housing. See pic 9 10. The air filter can now be removed and replaced. 11. This could be a good time to clean the MAF with the proper cleaner. 12. Replace in the reverse order. Easy Attached Thumbnails Last edited by davida3544; 09-20-2008 at 11:53 AM.

09-20-2008, 11:27 AM	#3
00bmw323 Registered User Join Date: Mar 2008 Location: Killa4nia Posts: 4,063 My Ride: 00 323/91 integra RS View My Garage	nice DIY __________________ -Jorge All low no go

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10-06-2008, 04:22 PM	#4
libtech75 Registered User Join Date: Sep 2008 Location: NYC Posts: 4 My Ride: 03' BMW 325xi View My Garage	Exactly what I was looking for...