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coolant enquiry on 1993 BMW 325i

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
hi once again...i got my engine changed .... all is going ok...but as i checked my computer screen of bmw 325i 1994 it says check coolant level....i checked it thorougly twice, thrice and its full...but its still displayin the same message,,,wonder why...please help.. and i wanna know can i get the automatic gear sequence changed as it takes a lot of time to go from 3 gear to 4 th gear...advice please.
(1) Answer
Your coolant level sensor is either broken inside of the expansion tank, the connection is loose or you have a broken wire near the sensor. All of these are very common on your car.

As for the transmission, you can change the chip but you need someone to write you a less aggressive map. Most chips available aftermarket hang 3rd gear longer for "performance" reasons; not what you're looking for.