What have you done to your car today?

New 17" wheels and 225/45 tires replacing the beat up (from the first owner) 18" staggered setup. Hoping to improve the ride a little on my 2006 3.0Si.New 17 wheel.jpg
 
In this post "today = today + last weekend" :P

Last weekend I went about updating the VANOS seals using the X8R kit. Ran into a couple of problems along the way.

Firstly, I accidentally rounded the hex bolt/plug that covers the left hand thread bolts on the outside of the VANOS unit. I think it happened because with the limited space I didn't quite have the hex bit fully inserted in the bolt. I tried forcing in a larger Torx bit but that just cut through and turned in the bolt. I started to undo the entire front end (crash bar and front cross brace) as I thought I would have to get a drill on it. Fortunately after I loosened the front end and got a bit more space I hammered the original hex bit back in and managed to crack off the bolt.


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Second issue was when putting everything back together I couldn't find for the life of me one of the nuts for the cylinder head cover. A quick visit to ebay and a few days wait and I had everything back together.


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While I had the engine in pieces I changed the spark plugs for some NGK Iridium ones. Originals didn't look too bad considering they had about 5 track days on them.


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I also swapped over a set of the black backed headlights I bought from a forum member a while ago. I much prefer the look of these ones, especially on a titanium silver Z4.


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Fast forward to today, I changed my front caliper brackets (k-system.pro) to allow for the much better 28mm thick 2-piece OEM M3 discs. I then installed the shiny new discs. Hopefully these wont warp on track like the cheap MTEC ones did. It has been so warm today that I even had to put up an umbrella to provide a bit of shade! 8)


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Excuse the dirtiness of the car and calipers.
 
I did the valve clearances and checked the cam followers etc.

I have around 0.0005" to 0.0015" wear in around 10,000 miles and none out of spec enough to need changing.

So put it all back together again
 
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