Not sure if this has already been covered, but what are the main differences ( besides the obvious ) between these engines? From what I can see they look the exact same, how can you tell for sure which is which? Where is the number stamped on the engine? Or is there another quick check? has anyone driven a 320i and a 325i? notice a big difference between the two? I ask because I'm starting to think the engine in my 36 is not actually a 2.5 but a 2l. Cheers for any help.
It's stamped on the head under the sensor and on the block just above the sump on intake side .hope this helps
Thanks a lot will check these outOriginally Posted by dean-e36
It's stamped on the head under the sensor and on the block just above the sump on intake side .hope this helps
2 litre has a Siemens ecu 2.5 has Bosch
Looks like it's a 2.5 after all[WHITE SMILING FACE]
Learn something new everyday! .
Op glad you got sorted
Ya cheers, checked also where it's stamped above the sump but it doesn't seem to have anything on it, either that or it needs a good clean, hard to see when the engine is still in place.
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