Okay, the car is here. It's a Golf IV TDI Special, manufactured in March 2002, with 85,000 km (approximately 53,000 miles) on the odometer and a 74 kW (AXR) engine. It recently received a new timing belt from a VAG dealer as part of the (long-life) service. It has new Good-Year tires (195/65 size on AVUS alloy wheels), plus a set of new winter tires are included, and a complete service history is in the glove compartment.
Unfortunately, it only has manual air conditioning, but the whole thing cost 10,730 guilders. I think that wasn't too much.
Regarding the initial driving impressions:
It's significantly quieter than my old 1Z TDI in my '94 Golf. Once it reaches its 1600 RPM, it also performs much better than the 1Z. However, the 1Z had more pulling power at lower speeds. Now, I'm enjoying the torque curve that builds above 1600 RPM. I'm curious to see what the fuel consumption will be. The 1Z averaged 5.3 liters (2/3 highway, the rest country roads), but it was also a bit lighter.
Thank you in advance for the tip to stay away from the AJM; there was actually another one with 85 kW still on the lot

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Regards,
Heart.