BMW Genuine Engine Valve Cover Bolt O-Ring Covering cap E39 E38 E53 E52 X5 Z8 for 530i 540i 540iP 740i 740iL 740iLP 840Ci 840i ALPINA V8 X5 4.4i X5 4.6is BMW Genuine Cover Trim Cap for Engine Coil Cover. Manufacturer Warranty: 12 months / 12000 miles Please see Product Description below for compatible models.