wont start after sitting overnight on 1990 BMW 325i

Bought a used 1988 bmw325i and it sat for awhile before I bought it. now it wont start cold after sitting overnight. Has a new battery

Asked by for the 1990 BMW 325i
Maybe the fuel is stale and won't ignite cold. Get some name-brand fresh fuel and see if it helps. Drain the old fuel and dispose properly if possible. Check the spark and fuel pressure too.
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