Blinking check engine light, But running fine?

[92E34]

Well I'm having an interesting problem now. I'm now starting to think that this car will make me bankrupt by the end of the year.

I did the shocks today and drove 40+ miles with no problems. On the way back down to my apartment, at 65 miles an hour on the highway. The check engine light started to blink. So I step on the brake, the light goes out. Go a bit further....Light goes on again....go a little bit further...out. On and off it goes for the next 1.5 hours to my apartment. So I get home to do a stomp test. An the light doesnt go on.

The idle has been messing up for the past few days. I've been meaning to get at it. It was at about 750 before. Its at 650 now. But the engine isn't missing or shaking the car. Any pointers?

[92E34]

Well I got a fault code: 1 2 6 1.

Bentley says Test Fuel pump and relay. I swapped the relay and its idling a bit better and still I have no check engine light on and I'm getting a fault code.