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I got it , 12mm x 1.5 . I ordered a adapter,which was not the easiest thing to find. I hope this is one of the last few things and I can actually drive the car

I found a adapter for the water temp gauge so thats taken care of, looks like its just the oil temp and pressure. What size fits in the oil sending hole m10x?

Honestly , I would like to use the gauges that came in the car, but i have no idea which ones they were. The harness is still intact, but the plan was to add the gauges so i can get rid of as much wiring under the hood as possible. I want to have this car for a driver, so if it wont start some day ...

Your completely right, my apologies. Im installing aftermarket 4 in 1 gauge it does rpm, oil pressure, oil temp and water temp . The water temp and rpm i understand. My problem is with oil temp and pressure, the gauge came with the sending units but im not sure where i need to put them. I assumed ...

Im hooking up gauges as i said before and i cant find the oil pressure sensor they are telling me to use. Ill use an adapter for water temp , but the oil gauges are a mystery. Can we use the original sensors?Or do they make adapters to put the gauges sensors in the m30?

Im so glad you told me that, i thought a e28 5 speed driveshaft would work. Im just planning to use the 4 speed now ,but id like to build one of your driveshafts. What the recipe?

Drop in power? I dont like that! I read they were supposed to be a little bit better on fuel too which is ok . This car is going to be a cruisin car , i have a little turbo m10 powered e21 to go fast. I love the e12 for its classy nature. It still has the 4 speed, but I have a 260 and im searching ...

Hey everybody im new to the e12 but not to bmws in general.

I bought a 1978 530i with the thermal reactors,and i vowed to ditch them. I found some sweet period correct thermal reactor replacement headers by supersprint.( anybody know any info on them?) Im lucky because i live in Michigan close to ...