i've had major problems before with renault in chester, parts being delivered late when they were promised to arrive, they had the car 6wks ! and when i picked it up it was filthy as it had been left outside, when i complained they gave me a voucher for a car wash, then when i arrived i found the cd's had been stolen from the multi changer while it was there
they eventually paid for replacements, firstly the said i couldnt prove they were in there after contacting renault GB it was sorted
nissan certainly are not unique