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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 02-09-2010, 11:17 PM   #1
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Replacing tensioner - what do I need?

I just need to make sure that I have everything that I need before I order. I'll have to wait another 2 weeks if I forget something.

I have a 330 with a production date of 07/03

Here are the parts that I am about to order...

11281730349 - protection cap
11281748131 - belt tensioner pulley
11287838797 - hydraulic belt tensioner

What else do I need?
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Old 02-10-2010, 05:42 AM   #2
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This is what I'm getting. Hopefully it is everything.

11287841228 Pulley
11281748131 Pulley
11281727159 Cap (optional)
07129905534 Screw (optional)
11281730349 Cap (optional)
11281730532 Washer (optional)
11287838797 tensioner
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Old 02-18-2010, 03:22 AM   #3
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You should replace the belts also while you have them off.

The tensioners hold up pretty well. Just replace the idler pulley and the other two tensioner pulley.

You should also consider doing the water pump, thermostat, hoses, overflow radiator bottle, while you have the fan and fan shroud off.
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