I've got a 1987 prefacelift 318i Auto M10B18.
Yesterday, I adjusted the timing with a strobe (first time), disconnected the battery.
This morning I adjusted the tappets and reconnected the battery.
The engine starts up fine, ticks over well and revs happily. Sounds much better with no tappet noise.
However,
1. engine seems to wobble on its mounts a bit on tickover until revved up over 1000rpm.
2. drives VERY sluggishly until 3000 rpm and back fires when I lift off throttle.
Have I messed up my timing or has the ECU forgotten what day it is? Or something else?
Help greatfully received,

