Audi A4 Quattro Problem Report

Audi A4 Quattro Use correct oil/filter to prevent sludge accumulation

(11 reports)
To avoid sludge accumulation inside the engine, our technicians recommend using the proper synthetic oil with the appropriate oil filter.
Dealers were using the wrong oil for warrantied 50k maintenance. Audi covered sludge issue and burned turbo. -
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