Description
Darkside Developments Head Stud Kit for BMW M51, M57 & M57N 6 Cylinder Diesel Engines
Part number: BMW8030
Custom made cylinder head stud and nut kit for the BMW 2.5L and 3.0L 6 cylinder M51, M57 and M57N diesel engines (iron block). The studs exceed 160,000 psi yield and are an upgrade over the factory head bolts to prevent head lift in high boost and high power applications. A popular upgrade for M57 and M57N Nissan Patrol conversions running increased boost.
NOTE: For use with iron engine blocks only. This kit does NOT suit the alloy block M57N2 (M57D30TU2) or the 4 cylinder M47 / N47 and N57 engines.
Kit Includes
- 14 x custom UK made head studs
- 14 x ARP nuts
- 14 x ARP washers
- ARP installation grease
Specifications
- Overall length: 168 mm
- Bottom thread: M12 x 1.5 x 40 mm
- Top thread: M12 x 1.25 x 30 mm
- Stud yield: over 160,000 psi
Suits Engine Codes
- M51D25 – 2.5L (M51)
- M57D25 / M57D30 – 2.5L & 3.0L (M57)
- M57D25TU / M57D30TU – 2.5L & 3.0L (M57N)
Suits Vehicles
- E34 M51 525td Saloon
- E34 M51 525td Touring
- E34 M51 525tds Saloon
- E34 M51 525tds Touring
- E36 M51 325td Saloon
- E36 M51 325tds Saloon
- E36 M51 325tds Touring
- E38 M51 725tds Saloon
- E38 M57 730d Saloon
- E39 M51 525td Saloon
- E39 M51 525tds Saloon
- E39 M51 525tds Touring
- E39 M57 525d Saloon / Touring
- E39 M57 530d Saloon / Touring
- E46 M57 330d / 330xd Saloon / Touring
- E46 M57N 330Cd Coupe / Convertible
- E46 M57N 330d / 330xd Saloon / Touring
- E53 X5 3.0d SAV, M57 and M57N
- E60 M57N 525d / 530d / 535d Saloon
- E61 M57N 525d / 530d / 535d Touring
- E65 M57N 730d Saloon
- E83 M57N X3 3.0d SAV
- BMW M57 and M57N engines used in Nissan Patrol GQ and GU conversions
Replaces genuine BMW cylinder head bolt set 11129067790 (14 x M12 x 1.5 x 147 mm Torx head bolts, part 11122243255).