^ what Nauli said!

The used vehicle statutory warranty covers your vehicle for a period of 3 months or 5,000km (provided that the vehicle had < 150,000km at the time of sale). Essentially, the dealer has to repair any defects that are not service related or a consumable, provided that they were not caused by the new owner. What most people don't realise is that it does not matter that the defect did not exist at the time of sale. The dealer is responsible for repairs so long as the defect arises within the 3 months / 5,000kms!

That pisses me off so much mate - get back there and get your money back!! I can quote you section numbers from the Motor Vehicle Dealers Act if you like.

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MY99 WRX (Sold)
MY06 WRX 241hp 430nm atw (Sold)
MY09 BMW 135i 247kw atw (Current)