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...

VIEW/DOWNLOAD CONTENTS: Index How to Use this Manual Symbols Wire Size Conversion Chart Systematic Troubleshooting Diagnostic Connector Powe...

After heavy rain I noticed the rear passenger foot well in the E30 is full of water. Can't see any signs of water ingress through the do...

Replaced speedometer / odometer. Replaced back-light bulbs. Checked and tested Si batteries. Tightened brass-nut on temperature-gauge. Bench...

The 318i Touring was up for MOT this week and failed only on the O/S front anti roll-bar link. Normally I would replace these as a pair, whi...

Had to bite the bullet and buy a replacement speedo / odometer for project E30 this week as after many different attempts to fix the origina...

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 fixing the major oil leak from the rocker-cover gasket [ THIS POST ], I noticed there was still some oil pooling on the under-tray and...

The handbrake (e-brake) wasn't working properly on the left side of the E46 Touring, which I assumed would either just need adjusting or...

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 ...

My E30 has a 4" straight-through Japanese tuner style exhaust back-box fitted, which to the say least is LOUD. In fact, it's one of...

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...