Decipher the Message [Forum game]

time to google our way through the easier difficulties

yeah you're right.
ok let's skip to medium difficulty, there's no point on easy diff.

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DAY TWO

Guten tag. We saw some suspicious mails from some peoples. Also there's an extra message for you. Decipher em, but the one for you is optional.

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LEVEL TWO: Numbers
DIFFICULTY: Medium

Message received from unknown people
Tip: Use the alphabet.
[(12+1)-(-5+10)-(5-1-3+4)-(20+1-4+3)-(21 x 0+21)-(12+4 : -1 x -2 : 2)] [I-XX] 4:20 [NEUN-VIERZEHN] [02-05-18-12-09-14]

TIME: 3 DAYS
ATTEMPTS: 2 ATTEMPTS

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Message for you
TIP: Use the alphabet too.
+1 I F M M P.
     X F ' S F   U I F   B M T B O. 
     X F ' S F   B   S F C F M.
     E P   O P U   Q B T T   U P    U I F   T U B U F   P S   F M T F   Z N V   X J M M   E J F.
     X F   O F F E    Z N V S    I F M Q .
     E F D P E F   U I J T.
    "Run moldly away the car at 4:19, meetup backyard in front head of our good safehouse" 
     
TIME: ANY
ATTEMPTS: ANY