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Howdy. I own an R52 and would like to change the dials over to the chrono ones.
has anyone done this?
If so did you just plug and play or was there coding that needed doing?

thanks ☺
 

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It is pretty much impossible unfortunately, unless you can dismantle them & are good with a soldering iron.

The main dials will work as will the oil pressure light, but pretty much all of the other warning lights on the dials will perform another function.

I managed to get the right lights in the right place by working out which were wrong, de-soldering & swapping over LEDs to the correct coloured ones, then cutting out the correct/incorrect symbols on the dial faces & swapping them over too.
 

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Howdy. I own an R52 and would like to change the dials over to the chrono ones.
has anyone done this?
If so did you just plug and play or was there coding that needed doing?

thanks ☺
It is possible to do it, but you must use post 2004 (facelift dials) otherwise the LEDs will be in the wrong place (as mentioned above). All R52's are post facelift unlike R50/53 cars with can be either.

The Mileage is stored in the centre, chrono, unit so should be reprogrammed along with the car VIN (which requires a specialist to do, dealers will not help) and you will need the twin dials for behind the steering wheel of course (plus the plastic trim that sits between them and the column shroud).

The oil pressure and temp calculations should work as they are only absent in the pre-faclift ECU (which a R52 should not have).

They are plug an play, but mileage and other details will be incorrect.

Google the conversion of search on here as there are details.
 

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The facelift ECU has the oil pressure & temp calculations built in? Would be cool to read them somehow and compare to the real readings from real sensors...
Yes, they are not taken from sensors, having said that the water temp sensor is doctored despite being a sensor in the coolant system.
 
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