...Spark Plug specialist NGK has issued advice on plug replacement on BMW N43 and N53 engines, which were fitted with ZKBR7A-HTU NGK spark plugs as original equipment. The engines feature on the BMW 1 series and under the bonnet of a 3, 5 or 6 model. The spark plug is a semi-surface type,...
...BMW Spark Plug Installation on N43 engine This video explains the necessity to use a special Spark Plug Socket to remove the Spark Plug in the BMW N43 engines....