West Midlands Police assisted customs officers in seizing the bogus cigarettes from an industrial unit in Birchills, Walsall.
The raid took place at around 5pm Thursday evening, with the goods seized believed to be worth an estimated £2 million.
Investigations, led by HM Revenue and Customs, are still ongoing.
A spokesperson for West Midlands Police said: "We helped customs officers seize fake cigarettes worth £2 million from an industrial unit in Birchills, Walsall.
"We raided the unit at around 5pm.
"The investigation, led by HM Revenue and Customs, is ongoing."