Radio no audio 1990 bmw 535i

http://www.bimmerforums.com/forum/showthread.php?2138647-92-E34-535i-Shifting-problems-won-t-go-into-gear-manual-transmission-this should help

The fault codes may have to be erased with a scan tool. However, if the fault is not repaired, and the computer deems the fault to be a hard code, it will keep the light on until the repair is made

code radio bmw 535i modelo 1990

code radio

Sounds like U need to purge the trapped air out & possibly change the thermostat & see if that worx....( you didnt mention if U replaced the radiator)

Based on wikipedia...yes. From 1988-1993. I copied and pasted the information below:

M30B35

• 3.4 liter (3430 cc) SOHC inline-6 cylinder
• 9.0:1 compression ratio
• 208 bhp / 211 PS @ 5700 rpm
• 225 ft·lbf (305 N·m) torque @ 4000 rpm
• 87 AKI / 91 RON octane fuel or better recommended

Applications:

• 1988-1989 E24 635CSi
• 1988-1993 E34 535i
• 1988-1992 E32 735i

3.5 L M90 (3453 cc) Applications:

• 1978-1983 E24 635CSi
• 1980-1981 E12 M535i

Your relays are or should be in the engine compartment under a plastic box or under the dash board on the driver's side or on the side of the dash board on drivers side.
I use to own a 2003 BMW 325i sweet cars

My blower motor makes a bad noise on all speeds. I guess I need to replace the motor?

1990 535 i

low on coolant and you need heater valves. their finiky when bleeding

ther is not one just hold the botom on each corner and give it a tug upwards. hope this helps