N55

BMW N55 Engine Rebuilds & Performance Upgrades

The BMW N55 engine powers models like the 135i, 335i, 435i, 535i, X3/X4/X5 N55, and more. Known for strong performance and tuning capability, the N55 benefits greatly from proper engine rebuilding and upgraded internal components.

At Miami Engines, we specialize in:

• Complete N55 engine rebuilds

• Forged piston and rod packages

• Calico-coated rod bearings

• ARP head studs and upgraded hardware

• Precision machining, cleaning, and resurfacing

• Timing components and gasket replacements

• Stock rebuilds or high-boost performance packages

Each N55 engine is fully disassembled, cleaned, measured, and assembled to exacting tolerances. Whether you’re restoring factory reliability or preparing for higher power levels, our in-house machine shop ensures unmatched quality and nationwide support.