20 Most Recent 1990 BMW 5 Series - Page 8 Questions & Answers

The first thing you do is take it to the Beemer dealer and have a diagnostic scanner hooked up to see what is going on.

WTF BMW

check for a bad coolant temp sensor. Also a dirty air filter will affect turbo spool up (turbine speed). A clean air filter is critical to turbo performance.

First check transmission dip stick for correct fluid level. Next schedule a transmission filter change. This should have been done at 60,000miles

Engine sync. When the chain was replaced, the timing was not set correctly. And are you sure the chain "went"? Highly unlikely. Probably was a different problem to begin with.

Transmission code: input speed sensor circuit

Its not in the bumper. Its under the seat under the carpet.

you can cut the cables on the regulator, since you are replacing this anyway.. The window will raise easily.

bottom of oil pan. There is a little plastic door on the steel skid plate below the car. open the plastic door and you can see the plug.

Go to the dealership with the car title and order a new key. about $225

F81 fuse in rear cargo compartment F41 fuse above glove box K11 module in E-box right rear engine compartment If these all work replace the wiper motor.

wiper relay is in the Ebox in the right rear engine compartment. rain sensor is in the center windshield behind the rearview mirror

you need to read the airbag code which will give you the solution instead of just resetting it. Common recurring problems are the occupancy seat sensor and the seat belt connector sensor.

Sounds like it's your switch or a bad relay

There may be a tumbler pin stuck up that will not move to let the key in. Get some powdered graphite and puff it in the key hole then try inserting the key again take care with the powder as it will leave a black smudge that you can wipe away with a damp rag

Hold down the left dash bottom while holding the button down turn the key on then letgo of the bottem and pres and hold again till reset flashes letgo and pres one more time