1,6,7,8 - Series and Mini CooperGeneral Chat related to models that do not fit into particular categories above. Please try to put your discussion in more appropriate sections. This section does cover the 1 Series, MINI Cooper and 8-Series vehicles: BMW 830i, BMW 840Ci, BMW 850i, BMW 850Ci, BMW 850CSi, M8, Alpina B12, BMW CS Concept and others.
Hope I can get some good advise here, I have a 99 E38 and a month ago the interior light fuse started to blow every 3 to4 days, I think it operates the washer pump too, can you please advise how to fix, also I had to add some antifreeze every once in a while but some good amount (15 oz) is this normal , no leak at all but sometimes I smell antifreeze, thanks all.
Have a look at the seam between the plastic tanks at each end of the radiator and the metal section. I have a similar issue on my E38 and its a small leak on that seam. I know I'll be replacing my radiator soon, but it did get me through a hot summer without failing totally. Check your engine oil to make sure it isn't cloudy, but if you can smell coolant, its going to be an external leak of some sort. Remove the bottom engine cover (plastic panel) that you remove to change oil and see if you can spot where it leaks from. Apparently that cover can catch the coolant before it makes it to the ground.
If you can smell antifreeze you definitely have a leak, also along with Brett's recommendations check for a leak under the waterpump (around the central bearing look for rusty residue or anywhere around the pump) and at the rear of the engine where all the coolant pipes go to the heater matrix, also have a feel under the expansion tank around the sensor,coolant leakage normally leaves a whiteish residue and white crystals when it dries so look for this as well, as for the interior lights check all the connections in the puddle lights are nice and tight, this sounds like a short of a connector being loose..
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I think (not sure) that the puddle lights are the interior lights in the base of each door. Probably called puddle lights because they light up the ground when you open the door.
Activating the central locking turns the interior lights on, you might find that simply by opening the door, or turning the interior lights on without operating the central locking the fuse still blows.
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