Attend BSF Bible studies?

My friend invited me to BSF - an international Bible study that is open to all faiths. Questions are answered and shared only referencing the Bible and what the Holy Spirit shows/teaches you. Is it OK to go to this Bible study, since all are God- and Bible- believing women and they support you belonging and being involved in your church? Thanks.

As is the case with a worship service outside our fellowship, you could attend and observe a Bible study without participating.  Your question seems to go beyond that though.

BSF—Bible Study Fellowship—is an international organization that offers ten courses of study on the Bible.  Their four-fold approach is to:  “Answer daily lesson questions from Scripture.  Discuss your insights in a conversation with members of your discussion group.  Listen to teaching that explains what you studied and shared.  Gain additional insight by reading lesson notes that further elaborate on the Scripture.”

It is with those last two points where the organization is able to inject its statement of faith into the lessons.  Their statement of faith embraces millennialism.  It does not mention baptism.  It views the Lord’s Supper only as a memorial meal.  There appears to be decision theology.

The confession of faith of this organization differs from biblical teaching.  In Christian love—love for the truth of God’s word, love for your own soul and love for the souls of others—you would do well to follow the scriptural injunction:  “I urge you, brothers and sisters, to watch out for those who cause divisions and put obstacles in your way that are contrary to the teaching you have learned. Keep away from them” (Romans 16:17).

I encourage you to study the Bible with those who are united with you in faith.  The Bible study you mentioned can easily be a forum where people agree to disagree on doctrinal matters.  When you study the Bible with others who are united with you in faith, then what the apostle instructed can take place:  “…encourage one another and build each other up” (1 Thessalonians 5:11).