OK. After the 1 gallon top off.........the DEF warning light went off. Now the wiper fluid light is on. I saw the BMW wiper concentrate at the parts counter this afternoon. I've always used the RainX wiper fluid before.........is there any known risk to using this in the X5?

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HP gets you to speed, Torque keeps you there !

1928 Model A Coupe
1957 MGA SOLD
1994 MBZ SL320
2007 Acura RL
2010 X5d 11/13 PCD