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      04-05-2010, 03:48 AM   #19
Si-335d
Major
12

 
Drives: 335d M Sport Coupe
Join Date: Aug 2008
Location: England


Posts: 1,224
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Quote:
Originally Posted by chiefsotos View Post
Completely pointless mod. You just ruined your stock air box. You should expect some gains if you followed the Mr 5 custom intake, but with this, there is no change of getting any better flow.
Harsh

If I was already running 400BHP I woud argee the air box is already at it's limits, but I am not at that level yet and a bit of extra cold air being "forced" in can only be a +. Also it does feel better.

I understand there are better options out there, but this does work for my car which runs just below 350BHP before I did this. I will be back on the Dyno soon.

Also the airbox has not been touched at all. I purchassed a new intake plenum to "play" with and it was only 37 ($53) so I can go back to "stock" easilly.

When I got the new Intake plenum I noticed it is not sealed very well and leaks all over the place, so I sealed all the leaks.....maybe this helped the performance...whatever it was though my car is better now.
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335d MSport Coupe LCI, Titanium Silver:- 19" Apex EC-7's (8.5j ET35/9.5j ET33), DAB, Memory Seats, Prof Sat Nav, Sunroof, BMW Perf Carbon Fibre:- Boot Spoiler, Mirrors & Front Lip Splitter, SSDD Carbon Fibre Rear Diffuser, Roof Spoiler, Black Kidney Grills, Red Calpiers, CKS Custom Exhaust, Wagner FMIC, ITG Air Filter, Sprint Booster, DMS 380+BHP / 600+Ft lbs Remap, Quaife LSD, Weicher front & rear strut brace, Forge charge pipe