Rear Ride Level Control Inactive. INFORMATION Covered under the terms of the BMW New Vehicle/SAV Limited Warranty when the "cause" of the moisture ingress into the trunk and relay is the result of defects in materials or workmanship of the vehicle. Defect Code:Refer to KSD2See below Labor Operation:Labor Allowance:Description: 61 31 898Refer to KSD2Replace the relay for the air supply system. and 37 99 0003 FRUWork time to repair pin connectors and install rubber insulator Refer to KSD2 and select and use the defect code for the "causal" part. Claim this additional work with the "causal" part repair defect code. Even though work time labor operation code 37 99 000 ends in "000," it is not considered a Main labor operation.