Tuning World Bondsee 2008 Show brought something new to all the tuning fans: the Audi A4 3.0 TDI by Rieger Tuning. The vehicle features a stylish front-lip spoiler, new side skirts, a rear bumper featuring an air diffuser with integrated sport exhaust system, 20 inch alloy wheels. The 3.0 liter diesel engine capable of developing 240 hp also received some ECU tweaking