These are a pain to get out, make sure you have a proper Allen ratchet tool, an Allen key won't cut it, I had to put a 2foot breaker bar to them.
![](./images/smilies/spacer.gif)
Ha!
![](./images/smilies/spacer.gif)
Well worth doing though over a sandwich plate as you don't need to touch the oil filter and loose some oil.
![](./images/smilies/spacer.gif)
Those galleries don't have any oil that high up
![](./images/smilies/spacer.gif)
(until engine is on and pumped round), or very little.
![](./images/smilies/spacer.gif)