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      02-24-2012, 07:12 AM   #94
as7920's Avatar
United Kingdom

Drives: MG M2 LCI DCT
Join Date: Jul 2006
Location: UK

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Originally Posted by John_01 View Post
I think generally there is the perception that 4 cylinder engines with high pressure turbo charging have problems in high performance applications.

1) Excessive turbo lag in high pressure turbo engines.
2) Typically inadequate cooling and heat-soak issues that go against the concept of a vehicle with //Motorsport badges.
3) Highly stressed components that lack the durability found in a larger displacement 6 cylinder engine. Buyers of prestige brands have very high expectations of durability!
4) Will not sound like a BMW should.
5) 4 cylinder engine will have more vibrations due to imbalanced harmonics.
6) Gives the impression of cost cutting, so you are basically getting less for your money.
^ Wot he said!

I have driven the Audi S3 with 2.0l 4cyl 260ish bhp and was not a fan at all.

The 2.5l 5cyl in the RS3 is a different matter.

6cyl and 3.0l was one of the main reasons for going with the 1M.