I just called Costco customer care and they gave me a new code MICHELIN17MARC
New code has an extra 'C' at the end
I just purchased 4 tires (9:30am EST) !
Costco Wholesale is offering their members $70 off Any Set of 4 Michelin Tires + $59.96 off Installation when you apply promo code MICHELIN17MARC OR TIREMAR17C at checkout.
Click here and enter your zip code to select your desired warehouse for installation
Input the make & model of your vehicle
Choose your set of 4 Michelin Tires and add to cart
Proceed to checkout
Apply promo code MICHELIN17MARC OR TIREMAR17C
Total will now be discounted by $129.96
NOTE: The $70 promo still shows on the website even though it has expired. I called Costco after placing the order and they applied the $70 promo