BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      09-13-2010, 08:13 PM   #1
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K&N on 135i

Anyone have the K&N drop in filter on their 135i?

How's it sound? I can get one locally for $100...Any sound increase?

Any other ideas?

I'd like a bit louder sound on the car. I've done the Dinan Stage 2 already. Sounds nice, but still a bit quiet.

I notice on most of the exhaust systems that you mostly hear 'engine' out the tail pipe and not 'exhaust' (I used to drive a civic...I know exhaust ;P )

Is this the turbos that silence it? I notice that downpipes increase the 'exhaust' noise a lot (cat delete), but I'll most likely void warranty (posts on turbo spool & boost creep..etc.)

How can I make that beautiful noise louder without any warranty problems?
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      09-13-2010, 08:18 PM   #2

Drives: VO 1M
Join Date: Aug 2007
Location: Canada

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You are in the 128 section.
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exhaust, filter, intake, k&n, warranty

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