Yes the GAP tool can calibrate and reset the ride height is a great feature.
I always scratch my head with a no service record history but I'd dig around under the oil cap to see if it's clean or heavily gunked if oil changes not done regularly.
I'd also assume it has probably never had the fuel filter and any of the diff, transfer, gearbox oils changed and do that asap.
Then I'd check what date stamp on the timing belt as very likely that's original also and also potentially with the pre-upgrade oil pump which you must change to latest version.
What year is it? 08 and lower had the bad pump.
Pre 07 has the EU3 fuel system you can block the EGRs with no software which is well worth it and clean out the intake manifold.
At those kms front lower arms probably also original and shagged out.
Change the plastic coolant fitting in the valley while blocking the EGRs as that will be original and after 7 years can spilt at any time and cook the engine.
Change the coolant. Is the coolant bottle clear or murky oily looking (refer oil cooler comment)?
Oil cooler probably very close to needing replacement.
Is the roof liner falling down?
That will keep you busy.


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