New BMW N55 Engine

Bring your BMW back to life with this precision-remanufactured BMW N55 Engine—renowned for its smooth inline-6 performance, twin-scroll turbo efficiency, and track-worthy durability. This complete rebuild includes a thorough inspection and cleaning process, along with a comprehensive parts replacement list for ultimate reliability and power delivery.

Every component—from the crankshaft to the valve seals—has been expertly reconditioned or replaced. The block is professionally honed, bearing clearances checked, and the head receives a full valve job with new seals. Our remanufacturing process meets or exceeds OE specifications, making this the ideal solution for engine replacement or performance restoration.

Key Features:

• Complete disassembly and deep-cleaning of all engine parts

• Rods & pistons fully inspected, bearing clearances verified

• Micro-polished, remanufactured crankshaft

• New internal components: rod bearings, main bearings, piston rings, timing chain, guides, and tensioners

• Fully rebuilt and pressure-tested oil pump

• Valve job with new valve seals on each cylinder head

• New gaskets throughout: head gasket, oil pan gasket, valve cover gasket, etc.

• Cylinder block professionally honed

• 1-Year / 12,000-Mile Limited Warranty on Internal Engine Parts

• Core return required (see below for details)

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Product Specifications:

• Engine Type: Inline-6, Twin-Scroll Turbocharged

• Displacement: 3.0L (2979cc)

• Engine Code: N55B30

• Configuration: Long Block with Internals

• Turbocharger: Not included

• Fuel System: Direct Injection

• Warranty: 12 months / 12,000 miles (internal parts only)

• Core Return Required: Yes (core engine must be in rebuildable condition)

• Compatibility: BMW models 2011–2019 (e.g., 135i, 335i, 435i, M235i, X3, X5, etc. – buyer must verify fitment)

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Subcategories under BMW Engines:

1. BMW Inline-6 Engines

2. BMW Turbocharged Engines

3. Remanufactured BMW Engines

4. N-Series Engine Family (N54, N55, N20, etc.)

5. BMW Performance Engine Upgrades

6. Long Block Engine Assemblies

7. BMW Core Return Program

8. Twin-Scroll Turbo Engine Platforms

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Core Return Policy:

All engine sales require a rebuildable core to be returned. Core engines must be complete, with no cracks in the block or head, and must rotate freely. Core acceptance criteria are outlined in the warranty terms. The core value is not included in the sale price and will be charged separately if not returned within the stated period.

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Why Choose a Remanufactured N55?

The N55 engine is known for its blend of turbocharged performance and daily drivability. Whether you’re restoring an M235i, upgrading a 335i, or replacing a failed powerplant in your X5, our remanufactured N55 delivers OE-level reliability with performance-focused precision. It’s the ultimate long-term solution for BMW enthusiasts who demand power and peace of mind.