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M3 M6 NOTE: PUMP MANUFACTURERS CROSS - REFERENCE I 32 4 injection valve seal.
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From free horsepower to a near-indestructible design, to the immense parts interchangeability that exists across all model years (including on-road, off-highway and marine applications), the following 11 reasons spell out why the 12-valve version of the 5.9L is so legendary. Bosch Fuel Pump Relay For BMW 733i 840Ci 850Ci 850i E23 E24 E28 E30.
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But exactly why is a 20-year-old diesel - straddled with ancient injection technology - so high on everyone’s priority list? Scroll along as we pinpoint all of its strong suits. In addition to being the power plant of choice in the truck pulling game, the 12-valve is a regular choice in the engine swap world as well, powering countless Jeep, rat rod, muscle car and dragster projects. The ¾-ton and 1-ton Dodge Rams they grace can be made to produce 500 rwhp with relative ease, rack up more than 20 mpg on the highway and easily last more than a half a million miles. To thousands of diesel lovers, this 1,100-pound hunk of iron is the patriarch of the modern diesel performance era.
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A simple design with unmatched reliability, tremendous performance potential and rugged, million-mile durability sums up the appeal of the 12-valve 5.9L 6BT Cummins.
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