Our performance cylinder heads are completely torn down and rebuilt receiving the following:
Please allow 4 weeks build time.
Price includes a refundable $300 core charge. Once you have received your BimmerHeads cylinder head please re-use our packaging to send your core back to us for a refund.
IMPORTANT: Please specify your cylinder head type in the notes at checkout! We most commonly work with the M30B34 and M30B35 cylinder heads.