PCM retrofit?

[Guest]

Hi.
New on here although a confirmed pistonhead, if you get my meaning.
I'm going to be buying a Cayenne (yes, I know...) but the 911 had to go to get an Audi S4 for the dog. Then another. And now a baby and pram and dog mean a bigger machine but I cannot think of any estate car worthy of me owning, hence 4x4, hence Cayenne! Phew. Got that out of the way.
I would like air suspension, and PCM. However I've found the perfect car with low miles, and air susp. but no PCM.
It's possible it will be a steal, so I wondered has anyone heard if a retro fit PCM is possible and how? Any experts out there with expertise?
Answers on a postcard please.
Thanks,
Andrew.

 

[burrow01]

Hi

Lots of people seem to fit aftermarket alterntives to PCM to give more up to date functionality at a cheaper price

eg http://www.porscheclubgbforum.com/tm.asp?m=373196&mpage=1&key=pioneer&#373196

& http://www.porscheclubgbforum.com/tm.asp?m=300823&mpage=1&key=&#300823

Pete

 

[m4ttc]

ORIGINAL: Drybeer

Hi.
New on here although a confirmed pistonhead, if you get my meaning.
I'm going to be buying a Cayenne (yes, I know...) but the 911 had to go to get an Audi S4 for the dog. Then another. And now a baby and pram and dog mean a bigger machine but I cannot think of any estate car worthy of me owning, hence 4x4, hence Cayenne! Phew. Got that out of the way.
I would like air suspension, and PCM. However I've found the perfect car with low miles, and air susp. but no PCM.
It's possible it will be a steal, so I wondered has anyone heard if a retro fit PCM is possible and how? Any experts out there with expertise?
Answers on a postcard please.
Thanks,
Andrew.

If you watch the market for Cayennes you will notice that cars without PCMs really struggle to shift. It has been the same since they first came out in 2003.

Cayenne must haves are Tip and PCM. PASM is desirable but not entirely essential

 

[Richard_Hamilton]

A PCM Retrofit Kit is available - at £3300 inc VAT (+fitting?). Lots of people like the "originality" of PCM, but an aftermarket system costing a fraction of the price will give you better features and will be cheaper to keep up to date.

 

[colloc]

Make sure that you can actually fit everything in the car first, they are not quite as big as you may think once the hatch is shut.
I spec'd my Cayenne without the PCM as it is far too expensive and can be beaten with after market add ons.
However as stated it might be difficult to shift in the future but if you are planning on keeping it for some time does that really matter?

 

[burrow01]

ORIGINAL: Drybeer

Hi.
New on here although a confirmed pistonhead, if you get my meaning.
I'm going to be buying a Cayenne (yes, I know...) but the 911 had to go to get an Audi S4 for the dog. Then another. And now a baby and pram and dog mean a bigger machine but I cannot think of any estate car worthy of me owning, hence 4x4, hence Cayenne! Phew. Got that out of the way.
I would like air suspension, and PCM. However I've found the perfect car with low miles, and air susp. but no PCM.
It's possible it will be a steal, so I wondered has anyone heard if a retro fit PCM is possible and how? Any experts out there with expertise?
Answers on a postcard please.
Thanks,
Andrew.

Hi,

Is this for yourself, or to sell on?

Pete

 

[Guest]

Hi Pete.

No it's for me, not to sell on.

Why?

 

[johnag007]

You should ask for a quote from a German OPC, I bet you it will be miles cheaper!

 

[Alscoob]

Or you could buy my KN with PCM & lots of other goodies already fitted...... now has 20" wheels & sports pipes as well.

http://www.pistonheads.com/sales/451006.htm []

 

[berty987]

Retro fitting the PCM is possible as its been done on both Caymans and Boxsters already , on numerous occasions. The hardware required consists of both the PCM head unit and a compatable navigation drive. The problem will be finding a genuine Cayenne PCM as these are different to those fitted in other porsche models and rarely found for sale on e bay. It is also important that the PCM and navigation drive are matched as comms between them relies on compatable levels of software on both units. The wiring is relatively straight forward since all porsches use a common connector plug on the rear of the stereo head unit . There is a fiber optic cable that links the head unit to the DVD drive that also needs to be installed along with the power an wake up signal wires. The GPS antennea sits under the windscreen wiper cowl on the 911 ,and boxster, not sure of the official location on a cayenne. The PCM also uses a different antennae set up to the standard stereo with diversity aerials , though not fitting this functionality will not be a big concern. After install it may be necessary to get your local OPC to recode the gateway module so that the pcm information is displayed on the instrument cluster and the PCM functions for comfort settings can be communicated to the rest of the car.

To be honest, my preference would be to fit an aftermarket navigation unit rather than the pcm , especially as the map updates are available solely from Porsche and are very expensive. There is also some issue whether future updates will be available after the introduction of the new PCM in 911 and Boxster. There are some very good facia surrounds available for Porches with aftermarket units giving an almost OEM look to the finished installation. Aftermarket units also allow reversing cameras, MP3 , bluetooth and DVD playback connectivity at a much reduced cost compared to Porsche.