TDI Tuning: Mileage Limit?

Hi...
I am the proud owner of a Golf IV TDI with 110 horsepower, manufactured in November 1998.
So far, I am completely satisfied. The car hasn't had any issues yet, although it has now driven 120,000 km.

Now, my question:
Is it still worthwhile to chip-tune this engine, considering that it has never been modified, has never had any problems, and has mostly been driven at a fuel consumption of 5.5 liters per 100km?
And if so... could you recommend some tuners? Right now, I'm leaning towards ********.

Best regards,

... let's say you had your engine chipped when it was new. Even then, it should still be able to last for 200,000 km.
200,000 km with increased stress/load.
If you drive 80,000 km with higher load after having driven } 120,000 km with a lighter load, and then have the engine chipped, would the engine ultimately be less stressed than if it had been chipped from the beginning }?
In the old forum, there was once a survey about mileage, and it included vehicles with modifications and over 200,000 km on the odometer.

Best regards, Rainer.

I thought that the wear-and-tear parts, as well as the entire engine, had 'adapted' to the 110 horsepower.
I thought a sudden increase in workload might cause problems.

But it's cool if you say that's not the case, then we can get started .

Regarding my question about tuners?
Weatherau? Does anyone have any comments about that?
Would you like a sauna?

Okay, let's say your clutch is nearing the end of its lifespan at 120,000 km and starts to slip after the chip tuning. This is definitely possible, especially with an aggressive driving style.
Then, if it was "tuned from the beginning," it would have likely reached 100,000 km or even less.

Best regards, Rainer.

So, from your side, 'green light' and no increased concerns?

Exactly