Suggest you may get more replies if you post in Classic (pre-CX) cars or Maintenance & Servicing - this is for the BMW V8 powered cars. If anything like one of my Land Rovers it was easier to drop the manifold to ease access.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW