High mile 123d - what to look for.

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Manufactured from 2004 to 2011

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Sam_M
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High mile 123d - what to look for.

Post by Sam_M » Tue Jan 16, 2018 11:22 am

Hey folks

Potentially looking at a September '08 123d at the weekend with 95,000 miles.

From what I've read the big thing to be looking into is the timing chain and swirl flaps, i.e. has the timing chain been changed through a recall and have the swirl flaps been removed(if not remove them)

Is there anything else that I should be looking out for?

thanks

Sam

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Re: High mile 123d - what to look for.

Post by marco_polo » Tue Jan 16, 2018 11:28 am

Reluctor ring / Traction Control issues, turbo actuators (all 3) are healthy), squeaky serpentine belt (pulley) on start up, PDC issues, healthy battery (Stop/Start cutting in correctly), funky tyre wear, etc.
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Re: High mile 123d - what to look for.

Post by Sam_M » Tue Jan 16, 2018 11:31 am

Thanks MP

How does the turbo system operate? Are the turbos parallel or sequential?

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Re: High mile 123d - what to look for.

Post by marco_polo » Tue Jan 16, 2018 11:35 am

Sequential, one's bigger than the other. Actuators are 8, 9 & 10 on here :

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Re: High mile 123d - what to look for.

Post by Sam_M » Tue Jan 16, 2018 11:36 am

I'm shuddering at the though of another sequential turbo system, I had an RX7 which are well known for their turbo actuator problems, albeit on a 123d the actuators probably arent exposed to the same heat as a rotary!

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Re: High mile 123d - what to look for.

Post by marco_polo » Tue Jan 16, 2018 11:43 am

Yeah, it's a Borg Warner sequential set-up which uses cheap Chinese KKK turbos, iirc.
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Re: High mile 123d - what to look for.

Post by Sam_M » Tue Jan 16, 2018 11:49 am

Gotcha, thanks.

Well lets see how I get on at the weekend then

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Re: High mile 123d - what to look for.

Post by Tez123d » Thu Jan 18, 2018 7:41 pm

Sam_M wrote:
Tue Jan 16, 2018 11:22 am


Potentially looking at a September '08 123d at the weekend with 95,000 miles.
Is that classed as high miles?

My 123d is only on 93500 and I thought that was low ish

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Re: High mile 123d - what to look for.

Post by Sam_M » Thu Jan 18, 2018 7:49 pm

To me it is :) doesn’t mean I’ll not buy one with that much use.

The one I had my eye on sold, keeping my eyes peeled.

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Re: High mile 123d - what to look for.

Post by andrewuk1990 » Fri Jan 19, 2018 12:06 pm

I've had my 123d from around 50k (bought October 2016) and its now done 90k. Touch wood it hasnt missed a beat and it has been running 290bhp for the last 10k. I think the main thing (other than those already mentioned) is a good service history, It doesn't matter if it's not BMW, if anything it's better! Oil and filter changed at least every 15-18k, preferably 10k. Ideally it may have had the gearbox and diff oil changed at some point, then all the usual bmw service intervals for condition based servicing too.

If its had all of that and well looked after, it'll keep going for a long time yet with a bit of luck! Some of the suspension bushes/drop links may want looking at (and front strut top hats will probably have worn bearings by now) but these only matter if good handling and feedback is quite important to you. Otherwise they should be fine for normal use for a while yet!

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Re: High mile 123d - what to look for.

Post by Sam_M » Fri Jan 19, 2018 1:40 pm

andrewuk1990 wrote:
Fri Jan 19, 2018 12:06 pm
Thanks, just got to find one now. What mods have you done to take it to 290hp?

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Re: High mile 123d - what to look for.

Post by andrewuk1990 » Sat Jan 20, 2018 2:53 pm

Sam_M wrote:
andrewuk1990 wrote:
Fri Jan 19, 2018 12:06 pm
Thanks, just got to find one now. What mods have you done to take it to 290hp?
This is my car (the grey one!) and list of mods:

viewtopic.php?f=11&t=105619&p=1353074#p1353074

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Sam_M
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Re: High mile 123d - what to look for.

Post by Sam_M » Sat Jan 20, 2018 3:44 pm

Very nice

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