2009 Z4 35i Let the DIY and slight cosmetic modding begin.

Woodies

Well-known member
Car is looking great! I like the exhaust tips with titanium finish showing through, breaks the black up a bit. Hopefully be doing the same to mine soon enough.
Amazing attention to detail on this car and well done to sticking it out and doing everything 100% properly, no short cuts at all :thumbs:
 

Fordkoppie

///Member
osiris said:
I decided to spray the calipers red while I was at it, this took me hours as I prepared the surfaces properly to be sprayed, also took the rear calipers apart so as to not spray the pads themselves or the retainer clips etc as I prefer it when the colours are broken up a bit.

Even though I am not a massive fan of red fist-type (standard) calipers, this is the proper way to do it.

I hate it when someone sprays over everything.

Well done on the effort
 

osiris

///Member
Ddoooooon said:
osiris said:
Ddoooooon said:
Looks good , how much were the tips ?

Thanks man.

I took advantage of the special they were running so I pad R2600 for the pair.

Thats not a bad price at all , they look good on the car

Thanks man, I am still getting used to them but they definitely growing on me quickly.
 

osiris

///Member
I forgot to mention that I took my car for another Dyno last week to see how the car is running with the new turbos and all the stock parts put back into the car.

The car seems to be running a little stronger than before as I am now making 421nm instead of 402nm.

Car is running stock software, stock intercooler, stock charge pipe. I only have down pipes.

So I think she is running quite well.
img_4593_162523789.jpg
 

avata_jo

New member
Just read your entire thread - Sorry to see all the nonsense you had to deal with at the beginning, but it seems well worth it with the latest results!
 

osiris

///Member
avata_jo said:
Just read your entire thread - Sorry to see all the nonsense you had to deal with at the beginning, but it seems well worth it with the latest results!

Thanks man :thumbs: Yea its finally starting to take shape and its become a pleasure to drive too. It's a night and day difference to when I first got the car.
 

osiris

///Member
Oki Doki,

So Quite a big update....I have been busy with this thing lately.

So first up I started removing old ugly plastidip from grills and mirrors cause it was bubbling and peeling and just really made the car look tatty.
I want these things to be black, but I will rather have them sprayed in gloss black to suite the rest of the car. I don't like the sheen that plastidip gives.

Here you can see the state it was in.
why i hate plastidip_7372252023.jpg


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mirror plastidip removal_1354243624.jpg


Kitty cat chilling on me while I'm trying to peel plastidip!
kitty chilling while im removing plastidip_1622447781.jpg


all gone!
So it turned out that peeling the stuff off was a waste of time, if the plastidip is too thin in certain places its next to impossible to get it off so I tried a few things and the thing that eventually worked like a charm was engine cleaner, I painted it on with a brush and waited a minute and then used the same paint brush to just wipe it off gently it basically just melts the plastidip instantly.
plastidip all gone_7608432304.jpg


Next up I needed to sort this problem out on my charge pipe so that I could fit the HKS BOV to my car, so I sent the aluminum base to a metal shop called Glutek and they fabricated the same part for me out of stainless steel so that I could then send it to TMSS to get welded on nicely.

Alloy on right Stainless steel with O-Ring correctly seated on left!
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Welden on by TMSS
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Getting ready for fitment:

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and its on and fits perfectly!
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Now all I need to do is prime the pipe and spray it matt black, I bought a rustoleum textured black spray paint which will look great.
Want this thing to look stealth under the bonnet. Big shiny pipe with the old pink BOV didn't do it for me lol.

Now since I bought the car it had a bit of a radiator leak, it wasn't massive although if the car got hot enough in hot weather driving or pushing it, it would leak a bit more. So I finally managed to take the radiator out and send it to a radiator place to get it pressure tested to show my warranty people that it is in fact leaking and that they must pay.

So the radiator place wanted to remove the radiator for me at first and when they told me they need to remove my front bumper to remove my radiator I lost all confidence in them and told them ill remove it myself and bring it to them. :skit:

Jacking the car up and getting it on my new jack stands! :smilebounce:
car jacked up_7242603711.jpg


Making sure nothing gets scratched or damaged while removing this thing!
protecting my engine_3084357562.jpg


Metal brace removed to expose the radiator to make it nice and easy to slide it out from the top.
exposing radiator_5242444579.jpg


let there be light!
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Intercooler out.
intercooler out_324650998.jpg


Radiator bleed screw exposed and you can see coolant leaking.
coolant leak_694954902.jpg


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Electric fan removed as well.
cooling fan out_2432884545.jpg



And its out! after many hours of fighting with a bottom big hose that was being blocked by a metal bar in front of the engine that I didn't see in my frustrated state!
messy pipes and shit_7511552874.jpg


Out and good to go, To get pressure tested.
old radiator finally out_2200436261.jpg


Coolant residue showing clearly that its leaking.
radiator leak 2_5363402748.jpg


And here is the actual leak:
radiator leak_4304932923.jpg


Warranty approved the claim and here is my new radiator in its box!
behr radiator_2987566753.jpg

new radiator_7147738360.jpg


Problem number one! OEM screw does not fit BEHR radiator! Maybe it does and I just need bigger balls to screw it in and not worry about cracking the plastic but I wasn't willing to take that chance so I went out on saturday morning and found some screws that fit a bit more comfortably.
problematic situation with screw_4737661476.jpg


So While the radiator was out I decided to remove my vanos solenoids and give them a good clean as they have thrown an error once or twice.

Before
img_5262_8539134850.jpg


After
Check all the gunk that came out of these things!
img_5267_8440726068.jpg


Also I saw that my oil filter housing had a oil leak, although I had no idea what scale this oil leak was on. It was VERY bad!
oil filter housing leak_253591714.jpg

oil filter housing leak2_8717401567.jpg


Checked my belts and they seem fine.
So I ordered some new gaskets for this oil filter housing. Damn for two gaskets comes to over a grand! :thumbdo:

I also got a torque wrench from my buddy so that I could do this job the right way!
housing removed_5752577725.jpg


Over tightened bolts causing the gasket to pinch and caused this terrible leak. I am lucky this didn't leak onto the belt and cause a catastrophic failure where the belt gets sucked into the engine!
over tightned bolts causing leak_8538245768.jpg


oil filter housing off and stripped and ready for cleaning:
oil filter housing main part gasket removal_9431419302.jpg

how bad the leak was_1155122788.jpg

Can see how badly its leaking here as well
stuffed gaskets_9026385853.jpg

disgusting dirty thing_2358349119.jpg


After some elbow grease and then used the dremel with a polishing fitting to clean where the oil cooler housing gasket seats.
dremeling the gasket base_5822092066.jpg


Over here you can see that the front top bolt was massively over tightened causing the gasket to pinch and even caused slight damage to the metal where the gasket seats on the engine!
over tightned bolts causing leak_5369921186.jpg


Anyways I got some 2000grit sandpaper and a sanding block to very lightly remove what I could of the coolant build up around that hole and then I used my dremel again to polish this whole thing so that it felt like glass it was so smooth.
oil filter housing base polished_6123586501.jpg

Now the gasket seals correctly!

Anyways after fitting the new gaskets and refitting the oil filter housing to the car and torquing it to the correct spec I decided it was disgustingly dirty so I decided to do something about this:

This is actually after cleaning and polishing it around a month ago, however I couldn't do it properly because when the oil pipes are back on you cannot get to this thing properly.

Before:
img_5396_4126023091.jpg


After:
Nice and shiny clean:
img_5397_3146692863.jpg



Right Radiator is now all fitted unfortunately I didnt have photos of me putting it back in as it turned out to be a grueling task with my injured shoulder so I just fitted it and then carried on.

Everything back together and cleaned properly:
I also took the car to the car wash where I put the car on a lift and cleaned all the oil that was caused by the oil filter housing to the front of the engine that actually dripped all the way down and dirtied everything under the engine bay too.

Another pic of how nice the oil filter housing is looking.
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So that takes care of all the gaskets, tappet cover gasket was done recently. then sump gasket was done and now oil filter housing gasket has been done.

Next up is an oil flush and change, I am not happy with the state of this so called "New oil that BMW put in my car when they fitted the new turbos!"

Once that is done, I will be fitting my after market big intercooler and charge pipe.

Stay tuned for more updates!
 

ShaunB

Active member
I absolutely love seeing DIY work like this on the forum. Well done for tackling the job yourself. Keep it up.
 

corp

///Member
I completely agree about seeing DIY like this. Makes me jealous.


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