Used BMW 4 Series Engine – Tested, Low-Mileage & Warrantied

Every BMW 4 Series engine sourced through AutoPartsOcean comes from a verified supplier and is inspected before it ships. We list confirmed mileage and run a compression test so you know what you're getting — no mystery engines from a random junkyard.

Because we work with a nationwide network rather than a single yard, you get competing quotes for your 4 Series and pay a fair market price for a low-mileage replacement.

Replacing the engine in a BMW 4 Series you already know and trust is almost always cheaper than buying another vehicle — and you skip taxes, registration and the risk of inheriting someone else's problems. A quality used engine can add years of dependable service to your 4 Series.

If the rest of your 4 Series is in good shape — transmission, body, interior and suspension — a replacement engine is the smart financial move, especially with up to 60% savings versus a new unit.

Match the engine to your exact BMW 4 Series using the VIN so the displacement, engine code and emissions configuration are correct. Confirm the mileage, ask about the compression-test results, and review the warranty terms in writing.

Our specialists handle all of this for you — they verify fitment, confirm the engine's history and explain the warranty before you commit, so there are no surprises when your 4 Series engine arrives.

Need an engine for a different BMW? We also source quality used engines for the 3 Series, 5 Series, X3, X5, 7 Series and the rest of the BMW lineup. Submit your vehicle details and we'll match you with verified suppliers.