B58 Engine

B58 Engine for Sale

Need a B58 Engine for a repair, replacement, or rebuild? Reliable Used Part lists options for BMW 340i, 440i, 540i and Z4 for model years 2016–2025, giving you a practical way to source a used engine without paying new-part prices. Explore our full used engine inventory or ask our team to confirm the details for your vehicle.

This engine is listed at Reliable Used Part with options from $2,300–$6,000. Your final price depends on the unit and option you choose, so ask our team to confirm availability, condition, included components, and shipping details before you order. Whether you are completing a repair or a full rebuild, the B58 Engine is one of the most important parts to match correctly.

What Is the B58 Engine?

The B58 Engine is BMW’s 3.0-liter turbocharged inline-six, introduced as the successor to the N55 and used in models such as the 340i, 540i, Z4 and Toyota Supra.

Before you buy, make sure it matches your vehicle’s exact configuration, not just its model name. If you want a refresher on how this component works, read the Wikipedia overview of the internal combustion engine.

B58 Engine Compatibility and Fitment

The B58 Engine listing is intended for BMW 340i, 440i, 540i and Z4 for model years 2016–2025. Exact compatibility depends on the model year, trim, engine, and drivetrain, so verify fitment before ordering. Ask us about current B58 Engine stock if you do not see the exact option you need.

• Models: 340i, 440i, 540i, Z4 and Supra
• Model years: 2016–2025
• Engine and transmission options: 3.0L Turbocharged Inline-6 and B58B30

How to Confirm Fitment Before You Buy

A few minutes of checking can save you a return. Before you order, confirm the following:

• Match the engine code, or the eighth character of your VIN, with the engine options listed for your vehicle.
• Confirm the model year, trim, displacement, and fuel type (gasoline, diesel, or hybrid).
• Note features that affect compatibility, such as turbocharging, direct injection, or variable valve timing.
• Check whether you also need related components such as the intake, wiring harness, sensors, or ECU.
• Ask our team to confirm availability, included components, and condition details before you order.

You can decode your VIN with the NHTSA VIN decoder and check for open safety recalls on the NHTSA recalls page before you start a major repair.

Signs You May Need a Replacement Engine

These common symptoms may mean it is time to look at a replacement engine:

• Persistent knocking, ticking, or tapping noises from inside the engine
• Excessive oil consumption, oil leaks, or blue smoke from the exhaust
• Repeated overheating or coolant loss without an external leak
• Rough running, misfires, or low compression on one or more cylinders
• Metal particles in the oil, or a check engine light that returns after repairs

These symptoms can point to serious internal wear, but smaller faults can cause them too, so have a qualified technician diagnose the vehicle before you commit to a replacement.

Why Buy a Used Engine from Reliable Used Part?

Reliable Used Part helps drivers and shops across the United States source used engines at practical prices. Our team can review your VIN, confirm B58 Engine fitment, and explain warranty terms before you order. Nationwide USA shipping is available, so contact Reliable Used Part for a quote and delivery estimate. A properly matched B58 Engine helps your vehicle run smoothly after installation.

Working on more than one component? You may also want to look at our BMW i8 Engine, N55 Engine and M57 Engine, or browse the full used engine inventory. Compare every B58 Engine option carefully before you decide. You can also see all BMW used engine listings.

B58 Engine FAQs