Import Modifications - The Internets Car Modification Headquarters
BMW E46 3 Series
Do-it Yourself Oil Change
Regular maintenance like oil changes are crucial to your cars well being. We recommend changing your oil every 3000 - 5000 miles or even more often under harsh driving conditions. Learning how to change your oil yourself will not only save you time and money but will also ensure you are using quality synthetic oils and materials which repair shops may not always use. We recommend using Mobil 1 Synthetic Oil for maximum performance and protection.
Required Tools and Materials:

1) Philips head screwdriver
2) 36 mm socket & ratchet
3) 17 mm socket & ratchet
4) Jack and jack-stand
5) Oil catch basin
6) Funnel
7) Torque wrench (highly suggested)
8) Oil Filter kit Part #: 11 42 7 509 430
9) 7 Quarts of 5W-30 Synthetic Motor Oil (Mobile 1 Suggested)

Difficulty Level
Beginner
Instructions
Gather all the necessary tools and equipment.
The Oil Filter kit includes a new oil filter, a new rubber gasket for the oil filter compartment, and a new metal washer for the oil drain plug.

Remove the oil filler cap shown in the top picture at the right.

Raise the front end of the car and secure with jack stands.

Use a Phillips head screwdriver and remove the cover to the oil drain compartment shown in the bottom picture at the right.

 


Locate the drain plug shown in the top picture at the right. The drain plug visible from the passengers side of the car.

Place the catch basin under this point and remove the drain plug using the 17 MM wrench . Drain the oil completely as shown in the picture on the right. You may want to lower the car to make sure all the old oil is drained.

Once the oil is drained, replace the metal washer on the drain plug with the new one included in the filter kit as shown in the bottom picture. Replace the oil drain plug and torque to 25 Nm (18.5 ft lbs).


Using the 36 MM wrench, loosen the oil filter cap shown in the top picture at the right. You may want to wrap the mating surface of the 36 MM "Nut" at the top of the cover once with electrical tape to avoid marring the plastic with the wrench.

Remove the oil filter cap (use a cloth to catch any dripping oil). With the oil filter cap removed, replace the rubber gasket with the new one included in the filter kit as shown in the middle picture on the right. Be sure to coat the new gasket with a little oil.

Remove the old filter shown in the bottom picture and replace with the new one (use a cloth to catch any dripping oil). The part number was on the top of mine, so that's what I used as the top but I don't think it matters much.

With the new filter in place, replace the oil filter cap and torque to 25 Nm (18.5 ft lbs).


Using a funnel, add your new oil. I added about 4.5 quarts of oil then started the engine (replace the oil filler cap first). Let the engine warm up and check for leaks. If none exist, shut off the engine and replace the oil drain compartment cover.

Lower the car carefully and check the engine oil level. Add oil accordingly. Make sure not to overfill. (Note: I actually only needed 5 ½ quarts even though the specs. state 6.9. Yes, I did let it drain until no more came out. I even lowered the car back down to try and get it all.)

Clean everything up and be sure to recycle the used oil (usually free at most local garages).

 
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