BMW M30 Engine for Sale

BMW M30 Engine for Sale – Remanufactured M30B34 3.5L Inline-6 Long Block

Upgrade your classic BMW with a professionally remanufactured BMW M30 engine built to factory specification and engineered for long-term durability. At Eride Machines, we supply a fully rebuilt BMW M30B34 3.5 engine designed for enthusiasts who demand reliability, performance, and authenticity.

This BMW M30 engine for sale is a 3.5L inline-6 long block originally fitted to the 535i, 635CSi, and 735i platforms. Our M30 BMW engine rebuild process includes complete disassembly, inspection, precision machining, and assembly using OE or OEM components sourced from Europe. We do not cut corners, and we do not use low-grade parts.

Engine Specifications – BMW M30B34

• Engine Code: M30B34

• Configuration: Inline 6-cylinder

• Displacement: 3.5L (3430cc)

• Fuel System: Fuel Injection

• Block Material: Cast Iron

• Head: Aluminum

• Power Output: Approx. 208–218 HP (stock configuration)

• Engine Weight: Approx. 460–480 lbs

• Country of Origin: Germany

• Condition: Remanufactured

• Warranty: 2 Year Unlimited Miles

What’s Included in the Rebuild

• New timing components, guides & chains

• New GRAF water pump

• New piston rings & crankshaft bearings

• New rod bolts, head gasket & head bolts

• New crankshaft seals (front & rear)

• Rebuilt & pressure-tested cylinder head

• New valve stem seals

• Plateau-honed cylinders

• Thermal barrier coated pistons (PTG)

• APC coated pistons for tighter tolerances

• Rebuilt & flow-tested fuel injectors

• New OE/OEM spark plugs

This rebuilt BMW M30 engine fits:

• BMW E24 635CSi

• BMW E28 535i

• BMW E23 735i

• BMW E32 735i

• BMW E34 535i

• BMW Bavaria

• BMW E30 M30 engine swap conversions

• BMW 2002 M30 engine swap

Whether you’re searching for a BMW M30 crate engine, planning a BMW M30 engine rebuild, or upgrading with BMW M30 engine performance parts, this long block delivers strong compression, improved piston ring seal, and near break-in readiness thanks to plateau honing.

We specialize in BMW engine M30 identification, rebuild kits, turbo builds, valve adjustment specifications, rocker arms, engine block restoration, and complete M30 race engine builds made to order.

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Core Deposit & Warranty

Core deposit: $1200 (block, head, crankshaft evaluated individually).
Refund is full or partial depending on condition.

Warranty conditions require professional installation, proper documentation, and no aftermarket tuning or turbo modifications unless pre-approved.

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Frequently Asked Questions

Is this a complete long block?
Yes, it includes the rebuilt long block with injectors and spark plugs installed.

Can I turbocharge this BMW M30 engine?
Turbo builds void warranty unless ordered as a custom BMW M30 turbo engine build.

Does it support fuel injection upgrades?
Yes. This engine supports stock fuel injection and can be configured for performance tuning.

What oil should I use?
High-quality BMW-approved oil with documented oil changes.

Is this better than a junkyard engine?
Yes. This remanufactured BMW M30 engine is fully inspected, machined, and rebuilt to provide 80–90% OEM lifespan at a fraction of OEM crate cost.