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Originally Posted by christopherchenm
Not a Dinan fan, charging too much to gain too less power
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But you get 2 more years of warranty with Dinan then you do with ESS kits. And you can take your Dinan stroked car to most BMW dealers for warranty repairs.
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ESS
Warranty: All items of our system carry a two year / unlimited mileage warranty. Our standard system warranty does not extend to any stock components. The vehicle manufacturer will not warrant engine or drive line items damaged by the supercharger installation.
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http://www.esstuning.com/pages/Supercharging.html
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Dinan
backed by the only warranty on the market that matches the manufacturer coverage for up to 4 years/50,000 miles.
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http://bimmersgarage.com/main/wiki/p...dinan-s3-r-m3/
Thus you pay more for Dinan stroker.