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[hurryupcole]

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[jbontke]

I would check the coolant temp sensor resistance when cold and see if it's within spec. And do the same with both crank sensors, they should be with in spec when hot or cold.

[hurryupcole]

Okay, I can check the coolant temp sensor resistance. As for both of the crank sensors, I have recently replaced the pair of them with new ones.

[packratbimmer]

New sensors need to be checked as well. "Quality Assurance" is not assured these days to say the least. Keep in mind that your car has a somewhat primitive 1.1 Motronic system on it. Anything non-stock can greatly change warm-up performance as the system is not nearly as adaptive as later cars including the next generation 1.3 Motronic. Also, be aware that many sensors are of metalic construction and can do wonky things when they are cold. Have you thought about a 1.3 upgrade? It is easy compared to many upgrades and fairly inexpensive if you can source 325i/1.3 Mortonic parts.

[hurryupcole]

New sensors need to be checked as well. "Quality Assurance" is not assured these days to say the least. Keep in mind that your car has a somewhat primitive 1.1 Motronic system on it. Anything non-stock can greatly change warm-up performance as the system is not nearly as adaptive as later cars including the next generation 1.3 Motronic. Also, be aware that many sensors are of metalic construction and can do wonky things when they are cold. Have you thought about a 1.3 upgrade? It is easy compared to many upgrades and fairly inexpensive if you can source 325i/1.3 Mortonic parts.

I have thought about it yes, and while it would make a load of difference and make my life easier, I prefer to keep it the way it was when it left the factory