ZRP H-profile rods BMW S50 3,2L
ZRP - Forged & billet engine internals

Reviews
H-Beam ZRP Connecting rods for BMW 3,2L 24V - S50B32
ZRP connecting rods for BMW are delivered in weighted sets with tolerances that only more expensive connecting rods offer.
The ability to also select connecting rod bolts according to the 3,2L 24V - S50B32 engine provides the best performance per cost that we know when it comes to connecting rods.
Specifications
Part number: R-BMW-004H
Length: 139,00
Pin diameter: 21,00
Big-End bore: 53,00
Big-End width: 21,90
Weight (gram): 502
Bolt size: 3/8"
Series: Standard
Shape: H-Beam
Additional Info: - No additional info
ZRP connecting rods can handle more than 200HP per cylinder.
Weighed with a maximum of 1g in weight difference per batch. All connecting rods are CNC machined.
Max tolerance length: 0.001mm
Max tolerance bearing housing: 0.0001mm.
The bushings are made of AMCO18 material known as the absolute best-known material for bushings.
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Guides & Info
Bilmärke | BMW |
Engine code | S50 |
Shape | H |
Length | 139.00 mm |
Pin Diam | 21.00 mm |
Big end Diameter | 53.00 mm |
Big end Width | 21.90 mm |
Weight | 550 g |
Set of | 6 Bar |
Bolt Size | 3/8 " |
Fastener Grade | ARP2000 |
Con-Rod Series | Classic |
Tyvärr passar inte dessa stakar i S50B32 utan bearbetning av blocket vilket jag inte upptäckte förrän efter jag satt ihop motorn. Stakarna går alldeles för nära blocket i botten av loppen, det är mindre än 1 mm frigång, snarare någonstans kring 0,5 mm. Det går inte när man behöver minimum 1,5-2 mm...
Bearbetning av blocket är inte heller någon bra idé eftersom stamoljekanalerna går precis innanför positionerna som behöver bearbetas.
Det blev dyrt metallskrot...
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