Intake pipe

[Febi Guibo]

I humbly question the 10-15hp gain from those components.
Now let's say the car had spark plugs so dead the car could barely idle, the air filter was clogged, fuel injectors so gummed up, ignition wires with very weak conductivity etc.... I can understand the car getting back to a healthy state like it should.
However - to gain those ponies with these simple mods - I have my doubts.

I haven't reviewed the article in awhile, so if I'm wrong, let's just say denis is buying the drinks...

I think it's the old aftermarket (well, dinan --I'll come out and say it) HP gain thing: take a built up engine (or rather, an engine with a supercharger lol), do some mods, put the thing on a dyno and say, "we got 10hp on our car, on a dyno, with these mods".

but extrapolating those gains back to a stock engine, etc etc. its like, 40% of their gains. But, in the ads its like, "this kit gave us xx hp gains on our test car").

[D. Clay]

From the May article:
"Our baseline figures of 119.5 horsepower and 118.8 lb.-ft. of torque have been raised to 131 horsepower and 123.9 lb.-ft. of torque." The baseline was a stock E30 as purchased. Actually it was 11.5 HP including 2 HP from the exhaust.There's a link to the May 2006 article at the bottom of this page:
http://grassrootsmotorsports.com/news/category/project-cars/current-project-cars/1991-bmw-318is/
What I question is 131 RWHP from a car that is listed as having 134-136 at the flywheel.

[e9nine]

From the May article:
"Our baseline figures of 119.5 horsepower and 118.8 lb.-ft. of torque have been raised to 131 horsepower and 123.9 lb.-ft. of torque." The baseline was a stock E30 as purchased. Actually it was 11.5 HP including 2 HP from the exhaust.There's a link to the May 2006 article at the bottom of this page:
http://grassrootsmotorsports.com/news/category/project-cars/current-project-cars/1991-bmw-318is/
What I question is 131 RWHP from a car that is listed as having 134-136 at the flywheel.

Wasn't doubting you as a person per se D. Clay. I actually have a copy of the magazine myself. It's just the way the magazines quote stuff sometimes in the name of what they gained before and after leaves a little to be desired. I mean I have posted the dyno of my car with just a Mark D chip and a swiss cheese airbox on a summer day before doing plugs and ignition wires and I'd like to believe the cars were underrated from the factory but meh.