20 Most Recent 1988 BMW 535i - Page 8 Questions & Answers

If the light switch is off, the main beam lamps will not latch on.

dont need nav to scan vehicle have scanned for any trouble code --also check key and ign system for wear -damage or failure

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scan for code and then trouble shoot accordingly

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For the radio I would suggest checking the fuse For the overheating the most common reason is the thermostat in the cooling system. They wear out over time and sometimes get stuck in the closed position. The next time it does it park the vehicle somewhere safe, Turn OFF the engine and open the bonnet. **Be careful with this next suggestion as you will be touching something VERY HOT.** Look for the large black hose going into the top of the radiator. CAREFULLY touch ONLY the hose. If the thermostat is working it should be VERY hot! If it is only slightly warm get the thermostat changed.

Your engine is controlled by the PCM. The idle can be adjusted by entering the computer system using INPA with a K+DCan cable, or the BMW diagnostic system. If by chance it's too high, look for a vacuum leak. Generally speaking if you are careful, you can use a can of carb cleaner (carefully) by spraying a small amount at a time near the vacuum hoses and the intake manifold of a vehicle to find the leak. As the carb cleaner is drawn into the engine the car will change idle speed to help you zero in on any leaks. Too low then there must be a fuel/air issue and you should have a code present. Good luck:)

Why would you change the crankshaft position sensor on a code for the brakes/transmission? P1774 code description Low Coast Brake Solenoid Valve is turned "ON" or "OFF" by the Transmission Control Module (TCM) in response to signals sent from the Park & Neutral Position (PNP) Switch, Vehicle Speed Sensor (VSS), and Accelerator Pedal Position (APP) Sensor (Throttle Position Sensor). Gears will then be shifted to the optimum position. The Diagnostic Trouble Code (DTC) will set when the Low Coast Brake Solenoid Valve does not respond from the TCM signal. Read more: https://www.autocodes.com/p1774.html

P1774 Code Low Coast Brake Solenoid Valve Function

https://www.autocodes.com > p1774 'P1774 code possible causes · Faulty Low Coast Brake Solenoid Valve · Low Coast Brake Solenoid Valve harness is open or shorted · Low Coast Brake Solenoid Valve ... More information here https://www.google.com/search?q=bmw+code+p1774 ..

Go in check control menu then hold the BC button. Should display a CC-ID of the problem.. That should point you further to the specific of the problem file:///C:/Users/john/Downloads/E92%20checkcontrol%20symbols.pdf their are a few different reasons from a light to inspection

Hello. It seems your B.M.W.'s PCM (Powertrain Control Module), inadvertently, 'engaged' 4WD on it's own; without your knowledge. Disconnect your Beemer's battery and wait 10-15 minutes then reconnect it. Start engine and drive your Beemer somewhere. If it stays in 4WD, then, another 'reboot' has to be done. Good luck and keep me informed; if you want to.

door change doesnt affect the immobilizer ---depending on how hard or the extent of damage sounds like theirs more damage else where to wiring -electronics -components

Mr. Nkosi. for the BMW X3 2000 over engines there is an issue with their engines. The threads on the cylinder block where the compression gasket and cylinder head torqued just pull off and lost the correct tightening torque and starts the problems with loosing water or burning oil etc. Ask you mechanic to do a search about it and also check your engine for this possibility.

Mr Thomas. Since you renewed the master and slave clutch cylinders and do have pressure to release clutch but not engaged, means that either you have broken driven clutch plate or pressure plate broken. Means you need new clutch.

Mr Hans. You said replaced the sparks as no7 was missing or missfiring. I take it for missfiring. Now you removed 8 ht leeds and removed and renewed 8 spark plugs. Possible cause of the random missfiring you have is, either not properly clicked the leeds to the spark plugs, or your leeds are old and by removing them are cracked, or slightly moved from the distributtor cap. Check for these issues. To disconnect the battery is not the solution. I believe you have HT leeds issue.

Mr.Ramage as an Automotive mechanic with many years experience happened and still happening this issue for a new electronic part to work for just once and never again,or just bought put on not working and try for another one. Mostly the aftermarket parts - not all - depends where come from are on balance to good and no good. Are Electronics. The same happened with tvs,mobiles, toys etc.

Mr Goforth. I just read your question. what you have scanned fault codes have nothing to do with your today issue. Since you tried starting the car by jumping the battery tapping the starter motor with negative results, I advice you to check whether you might face : a) not clean to contact battery terminals, b) no good Earthing wiring, c) Ignition Fuse or Relay blown, d) Ignition switch lock not working. Good Luck.

Do they stay on a few mins or stay on tell the battery discharges?

Check exhaust smoke color when engine hot. If there is white smoke, there may be oil in the pipes. Means the valve seal is leaking oil into the cylinder. Another way to check is to look at the spark plug tips. If is full of soot like burnt oil then the oil is leaking into the cylinders. If yours is E60 turbo, check the presence of residue oil in both the exhaust and intake turbine. If there is, the oil seals in the turbo housing is leaking oil. They do sell service kits for turbos.

Install a fully charged battery. Put on the parking brake and see if the key can be removed. If you need further help, please specify year and exact model. A VIN number would be helpful.