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14 hours if you know what ur doing
HOW DO I CHANGE LIGHT BULBS
try partsforchinesescooters.com - that's where I found mine
Most likely with an new control head.
Go to AutoZone, when you purchase the bulbs, they'll install for free
On that year of 5-series. Yes it would have to be the same year and series because the '89 525i has the M20 engine whereas the rest of the 5 series, '90 and up have the M50 engine. I had to replace the head gasket in my '89 525I and I installed a brand new head and cam since I had everything out of it. If you need a new head, contact me at 404-824-7233 and I can see what I can come up with for you.
You have to remove the grill (entire piece that extends under both headlights), remove the headlight housing and then pop the headlight off the connectors.
You set fireworks to the head of your car and then glue the new lightbulb to the remains!
Do not touch the glass on new bulb because the oil on your fingers can make bulb burn out. Open hood, locate plastic connector that goes into head light assembly, turn to left to remove, swap bulbs, replace into headlight assembly.
Put a flat head screwdriver behind the indicator cluster and prize it out. Then just twist out the bulb.
There are two bolts holding the headlight buckets in, you will need to remove them to get at the bulbs. The lens will come out and you will pull the bulbs out of the lens itself. They are hex head bolts, DO NOT TURN THE TORX SCREWS THEY ARE THE ADJUSTING POINTS FOR AIMING.
Hi turn the wheels on full lock there is a flap in the wheel arch you access the head light bulbs there.