Buy BMW B58 Engine Online

Experience the legendary performance and refined engineering of BMW’s award-winning B58 inline-6 with our professionally remanufactured B58 engine — now available for online purchase. This complete B58 engine rebuild delivers OEM-grade reliability and enhanced performance, making it the perfect choice for enthusiasts, repair shops, and BMW owners looking to restore or upgrade their vehicle’s heart.

Each B58 engine undergoes a comprehensive tear-down, cleaning, precision inspection, and remanufacturing process. Every internal component is tested or replaced to meet or exceed factory standards, ensuring you receive a like-new engine built for longevity and performance.

Backed by a 1-year / 12,000-mile warranty on internal parts, this B58 engine includes premium replacements such as main/rod bearings, piston rings, timing chain, tensioner, oil seals, gaskets, and a micro-polished crankshaft.

Please note: Core engine return is required (core return policy outlined in warranty section).

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Product Specifications:

• Engine Type: BMW B58 3.0L Turbocharged Inline-6

• Application: BMW Models (2016–2025+) with B58 engine platforms

• Condition: Remanufactured

• Warranty: 1 Year / 12,000 Miles (Internal Parts)

• Core Return: Required (not included in price)

• Included Services:

  ✔️ Complete Engine Disassembly & Cleaning
  ✔️ Rod & Piston Inspection
  ✔️ Precision Block Honing
  ✔️ Head Gasket + Head Bolts Replaced
  ✔️ Remanufactured Micro-Polished Crankshaft
  ✔️ New Valve Seals + Valve Job
  ✔️ Oil Pump Rebuilt & Tested
  ✔️ New Chain, Guides, and Tensioner
  ✔️ New Main & Rod Bearings, Piston Rings
  ✔️ Valve Cover & Oil Pan Gaskets Replaced

• Fitment: BMW G20 M340i, G30 540i, G29 Z4 M40i, Toyota Supra MK5, and other B58-equipped models

• Block Material: Aluminum with closed-deck design

• Engine Code: B58B30 (Various sub-designations based on model)

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BMW Engine Subcategories:

1. Remanufactured BMW Engines

2. BMW B58 Engine Assemblies

3. BMW Long Blocks

4. Performance Engine Builds

5. Turbocharged Inline-6 Engines

6. BMW Engine Replacements by Model (G20, G30, G29, Supra A90)

7. OEM + Aftermarket Engine Upgrades

8. Core Return Eligible Engines

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Why Choose a Remanufactured BMW B58 Engine?

The B58 is one of BMW’s most advanced and durable engines—winner of multiple “Engine of the Year” awards. Our remanufactured B58 unit not only restores original performance but elevates longevity through improved tolerances, tested components, and updated hardware. Whether you’re replacing a failed motor, upgrading your track build, or simply want a reliable and clean OEM-equivalent solution, this B58 engine delivers factory power with peace of mind.