Spark Plug, Bosch - E30 325i, E28 528e 87-88, E34 525i M20, E34 535i

OEM plug for the best all-around performance and efficiency

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Price:
$3.99

This is the OEM Bosch spark plug used in the M20 and M30 engines in the E30 325e/325i (US spec), E28 528e, E34 525i M20, E34 535i, and 1988-89 E24 635CSi. Sold per plug.

The W8LCR design uses a deeper projection of the electrode into the combustion chamber. This was the spec for US models. If you use higher-compression pistons and are worried about piston-electrode contact, try the Euro version of this plug - W8DC, which has a smaller projection.

Bosch was the original supplier to BMW for this spark plug as well as most of the other ignition components and other parts and systems on your car. Having the correct plugs in your car ensures optimal performance and efficiency from your engine. The OEM plugs meet the design requirements set by BMW for a wide range of operating conditions and fuel mixtures. It's the best all-around plug you can buy.

BMW Fitments:
3 Series
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
5 Series
E28 (82-88) > 528e
5 Series
E34 (89-95) > 525i M20
E34 (89-95) > 535i
6 Series
E24 (77-89) > 635CSi
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