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S85 5.2L Engine Rebuild Kit

$6,999.00

Connecting rod bearing and valve springs are common failure items on S85 engines. In response, CARBAHN Autoworks has developed improved bearings and valve springs. Normal engine life, with the exception of these two components, is 150,000 miles. If your engine experiences a premature failure of one of these two components we can rebuild the engine; we recommend rebuilding the engine when it has between 100,000 and 150,000 miles on it.

This rebuild includes replacement of the OEM rod bearings with high performance bearings, CARBAHN Autoworks valve springs, 2mm over-sized CARBAHN Autoworks forged pistons, a valve job with new hydraulic lifters, plus timing chains, timing chain guides, timing chain tensioners and all associated seals and gaskets.

The increase in bore raises the displacement to 5205cc increasing power by 22HP to 522HP.

 

Description

Steve Dinan has been building high performance and racing engines for BMW’s since 1977, winning 11 racing championships including 3 prototype championships and two 24 Hours of Daytona. The same engine shop that builds the racing engines also builds the street car engines; these talented engineers, machinists, and builders have built hundreds of engines from OEM street rebuilds to full-blown racing engines.

 

Connecting rod bearing and valve springs are common failure items on S65 and S85 engines. In response, CARBAHN Autoworks has developed improved bearings and valve springs. Normal engine life, with the exception of these two components, is 150,000 miles. If your engine experiences a premature failure of one of these two components we can rebuild the engine; we recommend rebuilding the engine when it has between 100,000 and 150,000 miles on it.

This rebuild kit includes replacement of the OEM rod bearings with high performance bearings, CARBAHN Autoworks valve springs, and 2mm-over-sized CARBAHN Autoworks forged pistons.

The increase in bore raises the displacement to 5205cc increasing power by 22HP to 522HP.

 

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Chris MacNaughton - High Performance Specialist     (650) 495-0421 Contact Chris MacNaughton