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Genuine BMW S65 WPC Treated Rod Bearing Shells - Full Engine Set for M3 E90/E92/E93 (2007-2013) - S65B40 V8 Big End / Connecting Rod Bearings OEM Replacement Bottom End Service/Rebuild Kit by ECS Tuning

Genuine BMW S65 WPC Treated Rod Bearing Shells - Full Engine Set for M3 E90/E92/E93 (2007-2013) - S65B40 V8 Big End / Connecting Rod Bearings OEM Replacement Bottom End Service/Rebuild Kit by ECS Tuning

£859.41
£859.41
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Genuine BMW S65 V8 Con Rod Bearing Shell Set with WPC Treatment for M3 E90 E92 E93

Give your S65B40 V8 the protection it deserves with a complete OE conrod shell kit that has been WPC treated by ECS. This upgraded big end bearing solution keeps factory tolerances while adding a micro shot peened style finish that improves surface integrity and oil film behaviour. Ideal for a bottom end refresh, preventative maintenance or during an engine rebuild on any E9x M3, this is the smart way to safeguard your high revving V8 for fast road and track use.

Benefits you will feel

  • WPC process creates an ultra smooth, micro dimpled surface that promotes stable lubrication, lowers friction and helps manage heat under sustained high rpm
  • Enhanced surface strength and fatigue resistance from the ultra fine media treatment for long term durability
  • OE geometry and sizing maintain correct clearances for the S65, ensuring proper oil film and quiet operation
  • Perfect for preventative rod bearing service on higher mileage engines or as part of a full bottom end overhaul

Compatibility

BMW M3 E9x platform: E90 Saloon, E92 Coupé and E93 Convertible equipped with the S65B40 4.0 V8.

What is included

A full engine set of Genuine BMW connecting rod bearing shells professionally WPC treated by ECS, ready to install.

Proven by us and our customers

We have fitted these WPC treated OE shells to multiple customer M3s and have consistently been impressed with the fit, finish and results. Owners report smoother running and peace of mind for spirited driving and track days.

Installation

Professional fitting is recommended. For installation or a quote at MJ Modifications in Warwickshire, email info@mjmodifications.co.uk.

Why this kit

  • Direct fit OE shells with performance focused WPC surface treatment
  • Supports reliable high rev operation and repeated heat cycles
  • Ideal for engine longevity on tuned or stock S65 setups
  • Great choice during sump gasket, oil pump or crank work

Search friendly terms

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Order with confidence and protect your S65 with a high quality OE shell set enhanced by WPC treatment.

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