BMW E30 fuel tank leak and petrol smell
E30 cabriolet
Where does an E30 fuel tank usually leak?
The most common leak point is the filler pipe joint on the side of the tank, at the right rear edge above the horizontal seam. The tank seams can also leak, especially when full, and the return pipes can become brittle and leak.
Why does petrol smell and leak in the E30 after refuelling?
The cause is often an old filler hose or the tank corroding around the filler opening. The joint between the filler pipe and the tank is under the right rear corner, held by one clamp. Also check the vent pipes behind the fuel filler flap, which can be a fault point.
Related articles
BMW E30 cooling system: overheating, bleeding and leaksBMW E30 stutters, misfires or stalls while drivingBMW E30 ABS light on and checking the ABS sensorsBMW E30 idle hunting and vacuum leaksBMW E30 fuel pump not running or getting no powerBMW E30 brake service and common faultsBMW E30 no spark - ignition troubleshootingBMW E30 central locking not working