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Calum's Z4 35i - new Chinese rear lights...!

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
MarshMA10
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Post by MarshMA10 » Thu Dec 28, 2023 11:16 pm

Dave 2 dogs wrote: Thu Dec 28, 2023 6:40 pm That’s Stuartt’s old car …. This car is the one he kindly took me out for a test ride in … I had a Merlot e85 3.0 at the time and wasn’t sure if I wanted to upgrade to the e89 … 20 minutes later I was sold and started the hunt… had her almost 6 years now….
Totally right—caught up with him via Facebook and learned loads about its history. He still had 100+ pics from the insurance assessor when it was pranged. A huge relief to see it was merely a 5-10mph bump!

Didn’t have straight pipes when he had it (I seem to recall) but he did mention it had a fancy intercooler. I’ll need to check it out.
2010 E89 35i — turbo boat hooligan - viewtopic.php?t=131886
2008 Ducati 1098S — two wheeled nightmare

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Post by Dave 2 dogs » Fri Dec 29, 2023 10:23 pm

It was enough to make me decide to take the leap …. I’ve never had a car this long before… I normally get bored after 2 years…. But I just can’t seem to walk away from this one…. Though I keep thinking about a replacement… I have this feeling I’d totally regret it .
Done some mods to it since I bought it , it’s not really a standard e89 now

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Post by MarshMA10 » Mon Jan 01, 2024 12:56 pm

Dave 2 dogs wrote: Fri Dec 29, 2023 10:23 pm It was enough to make me decide to take the leap …. I’ve never had a car this long before… I normally get bored after 2 years…. But I just can’t seem to walk away from this one…. Though I keep thinking about a replacement… I have this feeling I’d totally regret it .
Done some mods to it since I bought it , it’s not really a standard e89 now
Absolutely. Very nice car so far—1650miles under my belt now.

What mods do you most enjoy on yours? I am always keen to fiddle. Most of my first work is mechanical and aesthetic fixing and tidying up. It’s already too fast for its suspension at 362hp, in my opinion, so I think I might look into upgrades there.
2010 E89 35i — turbo boat hooligan - viewtopic.php?t=131886
2008 Ducati 1098S — two wheeled nightmare

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Post by B21 » Mon Jan 01, 2024 5:56 pm

Welcome..there is a sliding scale of things to improve the wayward handling of especially older N54 cars..

Fresh new OE bushes front and rear , through uprated bushes, through M3 steering linkages and uprated tie rods, through suspension , ARBs , wheels and tyres depending on how hard you want to push it, what reserves of handling you desire, comfort and cost and time..
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Post by Dave 2 dogs » Mon Jan 01, 2024 6:36 pm

MarshMA10 wrote: Mon Jan 01, 2024 12:56 pm
Dave 2 dogs wrote: Fri Dec 29, 2023 10:23 pm It was enough to make me decide to take the leap …. I’ve never had a car this long before… I normally get bored after 2 years…. But I just can’t seem to walk away from this one…. Though I keep thinking about a replacement… I have this feeling I’d totally regret it .
Done some mods to it since I bought it , it’s not really a standard e89 now
Absolutely. Very nice car so far—1650miles under my belt now.

What mods do you most enjoy on yours? I am always keen to fiddle. Most of my first work is mechanical and aesthetic fixing and tidying up. It’s already too fast for its suspension at 362hp, in my opinion, so I think I might look into upgrades there.
quite a few to mention, but here are a few
Remap
Eisenman full exhaust
Carbon flat bottom steering wheel
Quaif lsd. fitted at birds
New wheels
Tarox discs front and rear
A few bit of carbon
Different grills
Etc …… I absolutely love the carbon steering wheel
And everything else, but especially love the bonnet vents and the engine covers hydro dipped because I did both of the projects myself

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Calum's Z4 35i - new Chinese rear lights...!

Post by MarshMA10 » Tue Jan 02, 2024 12:58 pm

Well - the Chinese rear lights arrived today.

I paid £332.16 plus £42.41 shipping and I ordered on November 21st. The Aliexpress page says 'Estimated delivery date Dec 5th to 9th' which I never believed at all anyway. They attempted delivery on Dec29 but we were away, so they re-attempted today, Jan 2nd. That makes it about 5-6 weeks for delivery, using the cheapest delivery option, 'AliExpress Standard Shipping'. I think it went via Cainiao Heavy Parcel Line, then a Dutch company, I think, but I can't access the page anymore. It's my first time purchasing from AliExpress but I am impressed, although I was fully prepared for the likelihood that they may never show up!


The box they came in is fantastic and printed for the purpose of this item, which is quite cool. The packaging inside is superb and utterly robust, I have no doubt it would protect them from all the falls on the way here.

The quality of the units is significantly higher than I expected. They look almost OEM-grade, to my eyes. I have not yet removed my existing lights so I'm curious to see if the plugs match!! But it all looks good to me so far. The seals around the edges of the lights to the plastic back structure look excellently made, to me. The plastic lens itself is very thick and very robust. The units are reassuringly weighty.

There are NO e-marks on the plastic lenses which may or may not cause me an issue at MOT time (August 2024).

Probably won't get round to test fitting them until this weekend. When I do I will likely send my standard lights to Clive for reconditioning and give myself the two options / sell one of the sets.

edit.
The link I bought from:
https://www.aliexpress.com/item/1005006 ... 180258DPev
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2010 E89 35i — turbo boat hooligan - viewtopic.php?t=131886
2008 Ducati 1098S — two wheeled nightmare

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Calum's Z4 35i - new Chinese rear lights...!

Post by B21 » Tue Jan 02, 2024 1:28 pm

Splendid..look forward to the install.. :thumbsup:
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Calum's Z4 35i - new Chinese rear lights...!

Post by AnubisZed » Wed Jan 03, 2024 12:53 pm

MarshMA10 wrote: Thu Dec 28, 2023 3:15 pm Lots of good stuff on the Z4 last week or two.

Extremely grateful to AnubisZed for retrofitting cruise control to my car on the long drive north from London to Edinburgh for Xmas. Took him no time at all, and improved my waft northwards no end!! Huge thanks and a fully recommended option for anyone else curious!

.......
The straight pipes are hilarious—definitely a home made job—but they sound superb so I love them anyway. ....
No problem at all, glad you're happy with the cruise :thumbsup:
Really nice meeting you and your good lady, and hope you had a great Christmas.

I can safely testify that that exhaust sounds absoluetly awesome :driving:

And the same here, looking forward to the rear lights being installed.
Dave
2011, 23i, Grey with Red leather. 8)

My E89 YouTube channel - BMW Z4 Mods
https://www.youtube.com/channel/UCttNBt ... UQnoEvKB2Q

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Calum's Z4 35i - new Chinese rear lights...!

Post by Abbas » Wed Jan 03, 2024 2:16 pm

Those lights look sick. Looking forward to seeing them installed
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MarshMA10
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Calum's Z4 35i - new Chinese rear lights...!

Post by MarshMA10 » Mon Jan 08, 2024 3:05 pm

Well, the weekend saw a test fit / trial run of the Chinese lights. I'm busy with a lot of DIY for the house at the moment--but found an hour or two...........outside, at 2 degrees C!

Installation of lights
Firstly I'd say - it's extremely easy removing and refitting the lights. With the roof in service mode you can have the plastics, carpets and light itself out within 10 minutes I'd say. Swapping lights should not be a task anyone has any concerns about doing at home. All you need is a screwdriver and an 8mm socket. The first investigation will take a bit longer as you work out where the various fixings are but the 2nd installation is a zip.

Discoveries on my car
I discovered someone has tried to silicone the old lights into this car, quite unsuccessfully, as the silicone detached from the flexible rubber grommet/seals. My car, being fairly old, has the 3-bolt pattern lights which the new lights do not offer, and I gather BMW recommend refitting your lights with only 2 bolts now to reduce lens cracking/separation, even when using standard lights.

Review of new lights
The new lights are very well manufactured and fit in easily. The locating pins at the rear-wheel end of the light fit snuggly and as OEM. The bolts line up with the bodywork 100% and the threads are identical to stock. Captive nuts from existing light work well.

The finished look is superb, and modern factory looking. I suspect 90% of road users would not know these were aftermarket. The turn signals are sequential, the DRLs are enormous, and the rear fog and brake lights look excellent. They are very 'OEM+' looking. I have not yet had a chance to test the reverse light in the darkness (will try it this evening).

There is a setting on the lights to switch on/off the 'start up animation', which is a sort of sweep illumination in the DRLs. It's very modern-looking but possibly a bit cheesy/chintzy. For now I've left it on. Initial impression is that I'd leave it on. It doesn't look out of place for the car, in my view. I'll try to upload a video soon.



Downsides
As the photos will show, there is a bit of a risk with water ingress from the new light fittings. The (very brief) instruction A4 says you should, "remove the original lamp baffle and install it on the modified lamp", which I attempted numerous times, both retaining and removing the factory supplied foam on the new light rear side. The modified lamps rear casing is not the same as the standard lights rear casing, i.e. nowhere for the original seals to clip in to, and some different angles in the plastics. The only way to make this work would be by modifying the standard seal piece with some cutting. Even so, I do not think it would form a watertight seal. That being said it does not need to, as the modified lamp is fully watertight on its own. I am going to contact the sellers via AliExpress and see what they say - they have already replied to one message, so let's see.

The question that remains is how well (if at all) the new lights seal the holes in the bodywork. I suspect they do not seal it meaningfully. There are a number of potential solutions to this. Off the top of my head, I could:
- butcher the original lights rear plastic pieces, by cutting the rubber element out of the plastic element, and compressing it between new lamp and bodywork to achieve a seal. I'd probably want some broken standard lights to butcher for this purpose rather than my own.
- utilise a simple rubber tube/hose piece around the edge of the bodywork hole, compressed by the light fitting. This would likely yield a decent seal but is imprecise.


Next Steps
I'll test them for better or worse in a week or two's weather, and enjoy indicating left like the good ole days, and I am interested to see if the reverse lights on these are actually meaningful lights (which will really help, where I live, which has no street lighting)

In the mean time I'll send my stock lights off to Clive for disassembly and refurbishment, so that I have options.
Attachments
New lights, switched off
New lights, switched off
IMG_3523.JPEG (258.57 KiB) Viewed 235 times
Compressing original seal to new light
Compressing original seal to new light
IMG_3519.JPEG (254.74 KiB) Viewed 235 times
Original seal inside
Original seal inside
IMG_3515.JPEG (170.14 KiB) Viewed 235 times
Original seal detached
Original seal detached
IMG_3514.JPEG (218.73 KiB) Viewed 235 times
New and old lights and seals
New and old lights and seals
IMG_3513.JPEG (320.85 KiB) Viewed 235 times
Interior with new light fitted
Interior with new light fitted
IMG_3511.JPEG (177 KiB) Viewed 235 times
Exterior with old light removed
Exterior with old light removed
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Interior with old light
Interior with old light
IMG_3499.JPEG (172.09 KiB) Viewed 235 times
Roof in service mode
Roof in service mode
IMG_3498.JPEG (268.18 KiB) Viewed 235 times
Last edited by MarshMA10 on Mon Jan 08, 2024 3:08 pm, edited 1 time in total.
2010 E89 35i — turbo boat hooligan - viewtopic.php?t=131886
2008 Ducati 1098S — two wheeled nightmare

MarshMA10
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Calum's Z4 35i - new Chinese rear lights...!

Post by MarshMA10 » Mon Jan 08, 2024 3:07 pm

And here is a demonstration of the much-envied ability to indicate left.

Photographing LEDs is a total ball ache but you probably get the picture.
Attachments
IMG_3527.JPEG
IMG_3527.JPEG (207.52 KiB) Viewed 234 times
2010 E89 35i — turbo boat hooligan - viewtopic.php?t=131886
2008 Ducati 1098S — two wheeled nightmare

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Calum's Z4 35i - new Chinese rear lights...!

Post by pvr » Mon Jan 08, 2024 3:15 pm

Well, I think it is an improvement as on the E89, the standard rear I don't particularly like.
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Calum's Z4 35i - new Chinese rear lights...!

Post by Reamesy » Mon Jan 08, 2024 3:41 pm

Great review and write up. Staying tuned😎👍
Currently; 2011 E89 23i SDrive M Sport Highline Titan Silver
Previously;
2014 SLK250CDI AMG Sport
2012 E89 SDrive 2.0 M Sport. White
2011 Audi TT Quattro
2006 Z4 2.5 Sport
2013 420D coupe
2002 Z3 2.2 Sport
1996 Z3 1.9

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Calum's Z4 35i - new Chinese rear lights...!

Post by B21 » Mon Jan 08, 2024 4:33 pm

Great write up…good that you’ve highlighted the potential for water ingress..

Will be interesting to see how they cope with ‘moist’ conditions ..as yiu say if the lights themselves are water resistant but let water into the boot?
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
A very modified Atacama Yellow 35is :thumbsup:

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Calum's Z4 35i - new Chinese rear lights...!

Post by Zed Baron » Mon Jan 08, 2024 5:25 pm

MarshMA10 wrote: Tue Oct 24, 2023 7:26 pm Out for another spin today
Nice to see Box Hill, haven't been there in years, perfect territory for the Z!
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