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My little project Z4 2.0 Sport..

2003 - 2009, roadster, coupe, facelift
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Ducklakeview
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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 8:23 pm

Ducklakeview wrote: Sun Oct 22, 2017 9:21 pm Then as there was sod all on TV, I decided to do the rocker cover gasket, which arrived yesterday from JINGLE many thank Jamie..


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You can see where it's been leaking, in the usual place, onto the manifold shield, and it stinks..

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First thing to do is remove the offside strut brace to improve access, it'6 a 16mm bolt on the facelift, and a 16mm nut on the pre..

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Then remove the oil filler cap and pull the cover upwards to remove it.

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Loosen the wiring harness by popping it out of these clips

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Then lift up the retaining blips on the coil packs, allowing the connectors to be slid out.

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Remove the cam position sensor wiring plug, the valvetronic motor plug and the two earth points (10mm)

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Will continue when I get a min...

Mike
Continued...

Once that's done, remove the "other half" of the top cover - I always forget...
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I also remove this bolt at the front, which gives a bit more "wiggle room" on the harness, and makes getting the cover off easier.
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Then remove and mark the coil packs, 1-4 - Not strictly necessary, but I like things to go back where they came from.

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Then unbolt the 10mm bolts holding the cover in place, they are "captive" so won't fall out onto the undertray
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And lift the cover clear
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Don't forget the 2nd gasket around the valvetronic motor, they usually fall out and remain on the head.
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I then clean to cover with brake cleaner, paying attention to the grooves where the gasket sits.
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And then clean the mating surfaces on the head using either a proper gasket scraper, or a sharpened piece of hardwood, so as not to gouge the alloy surface. It needs to be CLEAN, with all traces of old gasket and/or sealant removed.
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Fit the new gaskets to the cam cover, putting a little RTV sealant at the corners of the half moon shaped ends, I've marked the areas.
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Then it's back on, torque the bolts evenly to 9nm, and reassemble in reverse..

Leak cured :D


Mike

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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 8:37 pm

Quick little fix last night I forgot about - For some reason the finish on the side of the lower column shroud was blistered..

Luckily, I kept hold of the old shroud from mine, as I got a factory cut one with my cruise, 2 mins to swap, and looks lots better..
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I like a cheap and quick fix!

Mike

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My little project Z4 2.0 Sport..

Post by Zoomer » Mon Oct 23, 2017 8:42 pm

The damaged shroud is probably from a cheap air freshener that's been touching the shroud. Looking good though Mike
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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 8:53 pm

A bit of paint correction today...

Decided to tackle the couple of marks/scratches on the car today, in readiness for the dentman tomorrow.

First off, I foamed and washed the car, giving the roof a scrub with a soft bristled brush and a touch of upholstery shampoo. The water on the hood was brown with dirt, interspersed with a bit of green from the algae! I then power washed it until the water was clear, the hood looked a LOT better after this.

Then to decontaminate the car, I used a Nanoskin Autoscrub 6" pad on my DA - I LOVE these, not cheap but do a fantastic job in a fraction of the time it takes using clay.

The pad on the DA, feels like hard rubber, with a soft foam interface. I use it with Autosmart's spray wax detailer
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Once this was done I spotted a few marks I'd not noticed before, probably as the car was filthy..

This on the bonnet being the worst.. Couple more marks on the drivers door and quarter, and the passenger quarter too..
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So, out with the paint thickness gauge on the bonnet, 106 microns in the scratched area indicated factory paint..
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So out with the 75mm air DA, an interface pad and 1500 disc. Plenty of water too.
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Quick hit with the 1500, followed by 3000 and 4500 discs, and the bonnet looked like this.
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I also gave the other areas the same treatment
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Then out with the big DA and megs 105 followed by 205 compounds and job done, or so I thought.. A quick check on the scratched area on the bonnet showed that with 3 lots of sanding discs, followed by a couple of passes with each compound, I had managed to remove the grand total of ONE MICRON from the paint...
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However, this was enough, as the scratched area now looked like this.
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However, I spotted a few other marks, so ended up wet sanding the whole bonnet, tops of wings, doors, rear quarters and bootlid lol...
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Mike
Last edited by Ducklakeview on Mon Oct 23, 2017 9:51 pm, edited 1 time in total.

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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 8:54 pm

Boot paint and closeup reflection..
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It's starting to look the part..

Mike

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Post by IRD » Mon Oct 23, 2017 9:05 pm

Really enjoyed reading this thread. So much useful information and as others have said you make it look so easy. Do you ever sleep Mike?

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My little project Z4 2.0 Sport..

Post by Marlon » Mon Oct 23, 2017 9:29 pm

IRD wrote: Mon Oct 23, 2017 9:05 pm . . . Do you ever sleep Mike?
Mike sleeping . . .

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My little project Z4 2.0 Sport..

Post by IRD » Mon Oct 23, 2017 9:35 pm

That looks about right Marlon.

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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 9:48 pm

Marlon wrote: Mon Oct 23, 2017 9:29 pm
IRD wrote: Mon Oct 23, 2017 9:05 pm . . . Do you ever sleep Mike?
Mike sleeping . . .


Screen Shot 2017-10-23 at 21.26.52.png
:rofl: :rofl:

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My little project Z4 2.0 Sport..

Post by Nictrix » Mon Oct 23, 2017 10:01 pm

You really are turning into an Ed China :lol:
I also like reading your posts as its stuff that I would love to do if I had the space/tools/bottle etc.
I have always done my own repairs and servicing on my bikes but they dont need half as much space or tools.
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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 10:12 pm

Roof looks loads better now, nice deep black..
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My little project Z4 2.0 Sport..

Post by patriot66 » Mon Oct 23, 2017 10:51 pm

Nice work Mike ! Your paint looks great now. I wet sanded and DA'd mine a couple of months back and it just makes a world of difference :D
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Still enjoying my DLV silencer too ! :thumbsup:
Cheers, Si
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My little project Z4 2.0 Sport..

Post by Ducklakeview » Mon Oct 23, 2017 11:17 pm

patriot66 wrote: Mon Oct 23, 2017 10:51 pm Nice work Mike ! Your paint looks great now. I wet sanded and DA'd mine a couple of months back and it just makes a world of difference :D
20170825_230350[673].png
Still enjoying my DLV silencer too ! :thumbsup:
Cheers, Si
Si, yours looks STUNNING! Is that sterling grey like mine?

Keep meaning to wet sand mine, just never have the time. Might do it a panel at a time..

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Post by Marlon » Tue Oct 24, 2017 10:48 am

patriot66 wrote: Mon Oct 23, 2017 10:51 pm Nice work Mike ! Your paint looks great now. I wet sanded and DA'd mine a couple of months back and it just makes a world of difference :D
20170825_230350[673].png
Still enjoying my DLV silencer too ! :thumbsup:
Cheers, Si
wow - your Zed looks amazing :wub:
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Post by patriot66 » Tue Oct 24, 2017 12:59 pm

Thanks fellas. I blocked it over a few evenings with 2500 then 5000 grit paper and plenty of soapy water. It looks awful when you dry it off and it resembles a matt wrap....WTF ! I then DA'd it a panel it a time with Poorboys SSR 3, 2 and 1. Followed with Blackhole glaze and Collinite 845. It's not perfect under lights but looks bloody amazing in diffused daylight. I might get it in my garage next spring under the lights and have another go. Yes that is Sterling Grey ! The clearer lacquer lets more light to the flake/mica and it looks SO much better. :thumbsup:
Sterling Grey '03 2.5i SE / Infinitas Supercharger / S.M.G / Hardtop / Gloss Black 162s / Bilstein B4s / 3.0i Brakes / DLV De-Cat & Silencer / Rebuilt VANOS / Sonar 2Xcite Lights / Carbon & Alcantara Trim / M-Sport Seats / ...& Side Covers !

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