Manufactured from Billet Aluminum, offering increased cylinder rigidity, preventing cylinder cracks.
* Suitable for BMW N54 / N55 Engines
** This product is not a bolt on solution and for properly install its necessary to milling the engine block.
You can buy the "Upgrade your block" service to send us your engine block ( without pistons, rods & crankshaft ) to milling and install the engine block guard.