- 45 Day Parts Only Warranty (No Labor)
- Any maintenance items such as gaskets, fluids, seals, filters, spark plugs, belts, aluminum bolts (the ones holding valve cover, oil pan, etc.) are not warrantied and must be replaced.
- Failure to replace valve cover gasket, oil pan gasket, new bolts for said gaskets voids the warranty
- Any aftermarket or performance parts or software present on the car voids the warranty
- Engines guaranteed to turn, cylinder block not cracked, cylinder head not cracked, each cylinder to have compression of minimum 120 psi unless otherwise stated
- Engine components such as timing chain, vanos gears, vacuum pump, chain guides are not warrantied. Other engine components external to the cylinder block and cylinder head are not warrantied.
- Any parts left on the engine are not warrantied and are for installation convenience only, buyer assumes all risk and responsibility reusing them.
- Overheating engine voids all warranties, Low oil or oil starvation voids all warranties for engine
- All work must be performed by a licensed, ASE certified mechanic shop or BMW dealership, failure will result in voiding all warranties