The oil filter is accessed from the top of the engine. It sits directly behind the engine, slightly to the right. Do NOT use aftermarket (read cheap) filters. OEM filters include Knecht, Mann, among others. These filters are high flow filters specifically designed to capture soot particles.

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Chris

'04 ML500 - 53k, Inspiration Edition, Desert Silver
'11 Audi A4 Avant - Brilliant Black
'87 300SDL sold
'99 C280 Sport sold
'85 190E 2.3 sold