BMW makes their cylinder heads from aluminum. While this is beneficial for many reason, they do not react well to overheating. Especially prevalent on older BMW engines, and over-temp situation has been known to cause the head to warp. Turner Motorsport carries Genuine BMW replacement heads and parts to make your next rebuild a success.
Brand new set of cylinder head bolts - the cylinder head bolts need to be replaced after removal, once a bolt is torqued down you're unable to reuse it.
