Beemer Lab

Clutch reservoir suddenly low on fluid? Gearbox housing covered in it? Sounds like a popped slave-cylinder. Not to worry, this has to be one...

I’d been messing with my AFM in order to get the car running ok when cold and when I finally fixed the massive air leak on the inlet manifol...

After my cutting out when cold problem and no low-end throttle response from a busted lower inlet-manifold gasket ( THIS POST ) and high / p...

Now the E30 is running well I took it out for a test run and noticed that all of a sudden the gears were grinding a little bit. Checked the ...

Yes, this is set at the factory and they say it should never be messed with, but as the youngest M40 engined BMWs are approaching 30 years o...

After all the diagnosis and testing from THIS POST , I found the cause of my rough idle and stalling out when cold was a damaged paper gaske...

 I will update this and cross things off as progress is made: Straighten steering wheel. Speedometer / Odometer inop. Temperature gauge inop...

I had checked and re-checked the idle control valve [ICV], the air-flow meter [AFM], ignition system, tested for the fuel pressure, performe...

The temperature gauge in the dash has not worked since I bought the E30, which was a little worrying on my 250 mile drive home, but the car ...

Next on the agenda to find the culprit of the rough running and stalling idle was to examine the injector condition and the plastic tips. Th...

I whipped the rocker cover off to check if there was a dropped valve or broken spring that might be contributing to the poorly idle, but no ...

This video shows the symptoms of an air-leak in the induction system, where unmetered are drawn in after the throttle-body causes a terribly...

My E30 had little or no hot air from the blower inside the cabin. I have heard it is common for the two hoses running to the heater matrix t...

This must be one of the hardest bits of info to find in the whole world of BMW, but there is a great post on BMW Werks on how to do it [ htt...

With the car still misfiring a bit, I turned my attention to the plugs and HT leads. All appear fine. The coil works because there is a spar...

Superb 136-page document from BMW showing the tightening torque for every different bolt / screw on your car. It covers generic torques for...