Newman's 1986 BMW 326rb build thread.

because i’m putting a 2.6 liter in it instead of the stock 2.5 liter.

325e:
3 = 3 series.
25 = 2.5 liter (actually it was a 2.7 liter, but we’ll ignore that)
e = efficiency

326rb
3 = 3 series.
25 = 2.6 liter
rb = rb series engine.

Christ.