Make sure your plugs are firing at voltage levels that ensure optimal combustion and peak performance for your B5 A4 30V.
If your old coils or plugs are tired and unable to do the job, an ignition service kit from ECS Tuning will put some zap in the gap when you need it most.
ECS-assembled Service Kits are easy to install and come with everything you need to maintain adequate voltage levels to get the most from each and every power stroke.
Spark it up
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B5 A4 30V (1997-2001)
Let me know if you have any questions.