E90 timing chain issues

Lads, is the timing chain horror stories read all too often online primarily diesel variants, or are petrols affected just as bad? A friend of mine is viewing a 05/06 E90 320i over the weekend and want to be sure he's informed and armed before making any decisions or indeed agreeing prices.

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Originally Posted by ciars

Lads, is the timing chain horror stories read all too often online primarily diesel variants, or are petrols affected just as bad? A friend of mine is viewing a 05/06 E90 320i over the weekend and want to be sure he's informed and armed before making any decisions or indeed agreeing prices.

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Yeah, that engine suffers with chain issues. It's the N46b20 which is the same that's in the E46s. I always recommend them getting replaced around the 60000mls mark or if there getting noisy. Not too bad of a price to replace!

Thanks C. Will make sure he's well versed for the weekend.