Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Purpose Of The System
The N73 engine is a complete new BMW development from the NG Series (New Generation) as a B60 (6 liter). The N73B60 will be used in the E66 as a 760Li (USA).
The BMW 760Li will set new standards in terms of performance and driving dynamics in the 12-cylinder market segment as well as significantly reduce fuel consumption.
For the first time at BMW, Valvetronic technology (combination of Bi-VANOS and variable intake valve lift) is supplemented by direct injection (DI).
In addition, the N73 cylinder heads use 4 valve technology.
The combination of these cutting edge technologies provides low fuel consumption and maximum power output and torque, making the N73 the best engine in its class.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.