The OEM radio in my 1992 318i Cabrio (KE83ZBM) was having issues with the cassette tape player. Google led me to this old thread which showed that three belts used in the mechanism were likely the cause: https://www.bimmerforums.com/forum/s...ioneer-KE83ZBM
I used eBay vendor addisonm95 to source a set of belts: https://www.ebay.com/itm/163734221458
Tools needed: small screwdrivers (straight slot and Philips), small allen key, cotton swabs, rubbing alcohol, canned air.
Skill level: novice
Time: less than an hour, if all goes well
Note: I found all kinds of dust bunnies, dog hair and grime in my radio. Clean as you go using the canned air, and swabs with alcohol to get rid of the greasy mess.
Step one: disconnect battery
Step two: Flip out the little doors covering the screws and use the allen key to turn. These screws do not hold the radio in directly. Instead, they deploy tabs on the sides that wedge the radio in place. Do not expect to remove them.
Step three: Disconnect all of the cables at the back of the radio to remove the unit. Take photos to make sure you can remember where the cables connect. Move to your workbench.
Step four: Remove the one screw holding the cover on case (visible in the photo above, adjacent to that grey plastic knob cover thing). Lift from the rear. You might need to apply slight leverage.
Step five: The cassette tap mechanism is pictured center frame. Six screws must be removed to access it: four around the perimeter holding it down directly, plus the two holding down the CD changer plug, which is installed over the tape mechanism frame.
Warning: there appeared to be an adhesive used on these screws on assembly. Two of my screws were so tight, I stripped the heads immediately. Hence the needle nosed pliers: the only way I could reach the screws, directly gripping the heads and turning. They're 2.5mm, should you need to replace them.
I used eBay vendor addisonm95 to source a set of belts: https://www.ebay.com/itm/163734221458
Tools needed: small screwdrivers (straight slot and Philips), small allen key, cotton swabs, rubbing alcohol, canned air.
Skill level: novice
Time: less than an hour, if all goes well
Note: I found all kinds of dust bunnies, dog hair and grime in my radio. Clean as you go using the canned air, and swabs with alcohol to get rid of the greasy mess.
Step one: disconnect battery
Step two: Flip out the little doors covering the screws and use the allen key to turn. These screws do not hold the radio in directly. Instead, they deploy tabs on the sides that wedge the radio in place. Do not expect to remove them.
Step three: Disconnect all of the cables at the back of the radio to remove the unit. Take photos to make sure you can remember where the cables connect. Move to your workbench.
Step four: Remove the one screw holding the cover on case (visible in the photo above, adjacent to that grey plastic knob cover thing). Lift from the rear. You might need to apply slight leverage.
Step five: The cassette tap mechanism is pictured center frame. Six screws must be removed to access it: four around the perimeter holding it down directly, plus the two holding down the CD changer plug, which is installed over the tape mechanism frame.
Warning: there appeared to be an adhesive used on these screws on assembly. Two of my screws were so tight, I stripped the heads immediately. Hence the needle nosed pliers: the only way I could reach the screws, directly gripping the heads and turning. They're 2.5mm, should you need to replace them.
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