I would also heed others advice about broken and frozen bolts. They can be a real pain.How hard is it to change a head gasket?You might just be simplifying it a wee bit.
Best to get a Haynes service manual or similar repair book, and follow the procedures outlined, and especially the sequence of bolt tightening, also the proper torque must be followed.
A torque wrench is a must.
Depending on the mileage of the vehicle, it might be a good idea to have the valves re surfaced while the head is off.
Since this may be your first time, just be careful and read the step by step instructions, then go for it, everyone that has done this had to start somewhere.,.Good luck.How hard is it to change a head gasket?The new parts will not line up with the existing head, so get a new BMW or spend the money on another car...dont waste investing into the head gasket price and labor costs if applicable.
Doesnt always work when replacing gasket...new gaskets can leak as well.How hard is it to change a head gasket?Heyy, yeahhh...removing the head gasket is piss easy. First you take the Cam Cover off then you remove the gasket - replace it, then bolt it all back up...but remember if you have the user manual for the car, look for torque wrench settings and look under cam cover for the measurements because you need to follow manufactures specifications :)How hard is it to change a head gasket?will need the repair manual for your engine so can have the torque spec.and the bolt tightening sequence,when tightening the heads back down,and the right tools for the job if not already have?and if you have a v6 or v8 will be taking every thing off, down to the block,so basically the top half of the motor.lots of work and time.but if you have the time will save you a few hundred bucks doing it yourself,have done plenty in my day,