BMW 325i timing belt or chain ? (1985 – 2013)

Does A BMW 325i Have A Timing Belt (Cambelt) Or A Chain?

Here is a list of timing belts and timing chains for a BMW 325i. Reference the model year with the corresponding engine to see if your car has a belt or a chain.


BMW 325i
Model YearEngineBelt / Chain
1985 - 1993 (Second gen, E30)2.5L M20B25 (325i, 325is & 325ix)timing belt
2.7L M20B27 (325is)timing belt
1991 - 1995 (Third gen, E36)2.5L M50B25timing chain
M50B25TU (325i & 325is)timing chain
2001 - 2006 (Fourth gen, E46)2.5L M54B25 (325i & 325ci)timing chain
2005 - 2013 (Fifth gen, E90)2.5L N52B25O1timing chain
3.0L N53B30U0timing chain
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