3.6 Spark plugs and coil packs

[Tino]

I want to get the plugs replaced in my C4S and will probably get the coil packs done at the same time.
Just wondering if its best to keep to genuine parts, or which would be the best ones to use.

[Richard Hamilton]

Porsche use Beru or Bosch plugs and coil packs (presumably whichever is cheaper at the time). If you use either of those you won't go far wrong.

[Rockster]

Tino said:

I want to get the plugs replaced in my C4S and will probably get the coil packs done at the same time.
Just wondering if its best to keep to genuine parts, or which would be the best ones to use.

While it is easy to call a plug a plug, a coil a coil, what is the right plug or the right coil or any other part for someone else's car may not be the right part for your car.

Over time Porsche can spec a new part and this is reflected in a change in the part number. The parts department managers I speak with tell me the VIN and parts numbers are tied together.

So while the same part number may be used for your vehicle as that of others, it may not.

Best advice I can offer is to visit your local OPC parts department and supply a VIN and have the plug part number and coil part number looked up for your vehicle.

Sincerely,

Rockster.

[Tino]

Thanks for taking the time with your in depth reply.
I work in the motor trade, and know that quite often parts are superceded. This can be due to a number of factors ranging from some of the flaws within the part being ironed out, to a supplier change.
I also know the importance of using the correct parts for the car. I also have a Polo G40 that loads of manufacturers made plugs for, but the only one they seemes to run right on were W5DPO, at a cost of something like £20+VAT each from a main dealer.
Genuine plugs are £13 each from Porsche, but bosch ones are £4.40.
Genuine coil packs are £37, Beru ones are £27.48.
I guess my question really was will I have issues running a high quality non OEM setup, and if so, I will just go ahead and fit the genuine parts

[X-UFO]

You work in the motortrade and you are replacing the coilpacks like they are a consumable?

Wouldn't it be more economical to save 6 x £40 = £240 for if and when they fail? They are easy to get to.