BMW M140i / M240i / M340i B58 y M3 G80 / M4 G8x / M2 G87 S58 Dinan Cold Spark Plugs

Dinan Performance products are warranted for a 2-year, unlimited mileage period from the date of original purchase. Dinan’s warranties are transferable when ownership of the vehicle into which the Dinan products were originally installed is sold. To obtain service under this warranty, products must be brought / shipped, upon discovery of a malfunction or defect in materials and/or workmanship, to any Authorized Dinan Dealer. In the event of a warranty claim, Dinan will repair or replace, at its sole discretion, any defective Dinan component. This warranty does not include reimbursement for repairs to any original vehicle manufacturer’s component(s) that may have been affected by a Dinan component, labor charges associated with the repair or shipping to dealer charges.