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I am taking the air pump off of my B36 this weekend. I will be retaining all of the bracketry, just removing the pump.

What belt size/length will be required? Can this be pulled from any other BMW application?
 

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We've done this on Sebring Sienna , so I'll try to remember to have a look and possibly take some pictures if you are all really nice to me and perhaps send me a 40th birthday card for this weekend !

D
 

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Hallo Bondy ...... 40 is the new 20 !

The benefits are straightforward in terms of less drag on the crank and therefore less BHP drain running 2 bob air pumps !

The website is being converted and revamped at the mo , so it will be out of action for a couple of days before returning with a passion for all things BMW , having the opportunity to add blogs etc etc etc ........

D
 

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Only 40.....you have lived a hard life.....
 
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Cant the bracketry and belts from an M30 be used?
I am currently collecting the various M30 parts to see if it works.... block off plates, A/C bracket and A/C lines from an M30.
 

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4L330 too big, 4L325 seems to small.

Has anybody really made this work? the 330 allows lots of looseness, and the belt slips easily on the compressor pump clutch.
 

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I used a 33" long, 1/2" wide belt to delete my air pump.

I bought the M30 A/c compressor bracket and tensioner as well, but the belt hasn't slipped, so I haven't bothered.

 

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Apparently the Gates 33" belt I had on there (a 4L330 "equivalent") wasn't quite equivalent enough.

I put an actual NAPA 4L330 on there, and it's SLIGHTLY loose, but works like a charm.

Thanks for the input everybody! I'm really happy to have air conditioning again. :)
 
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