BMW N54/55 carbon cleaning group buy! We are looking for five (5) N54/55 BMW owners to take advantage of this sale. Pricing will be $495 each which will include needed gaskets and walnut media. Give us a call if you would like to take advantage of this sale and share with your BMW friends. Easily one of the most overlooked and important maintenance items on these cars! 508-762-1769 or sales@brentuning.com