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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      09-12-2007, 05:23 PM   #1
Harold
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Undercarriage shots of 135i coupe (including exhausts)

Thank you Drillslinger!!

Attachment 1766

Attachment 1767

Attachment 1768

Attachment 1769
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      09-12-2007, 05:29 PM   #2
Harold
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Quote:
Originally Posted by Drillslinger

Here you can clearly see the solenoid used to restrict/open up the second exhaust tip:



Here you'll notice the single pipe running forwards from the muffler:



Here you can see where the single pipe runs into what appears to be a resonator:



And finally, you can see what looks like 2 catalytic converters forward of the resonator:


.
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      09-12-2007, 05:45 PM   #3
TheoIam
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Dam that looks high restictive compared to the 335i's true duels. :frown:
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      09-12-2007, 05:54 PM   #4
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I wouldn't mind putting duals on the 135i ... or get a 3" downpipe w/e-cutout <<<now THAT would be loud... but might sounds like crap
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      09-12-2007, 05:57 PM   #5
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Quote:
Originally Posted by HighFlyingIL View Post
I wouldn't mind putting duals on the 135i ... or get a 3" downpipe w/e-cutout <<<now THAT would be loud... but might sounds like crap
I'd rather add true dual pipes from the mearged area back to a single muffler.

I like the nice single side exit.
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      09-12-2007, 07:56 PM   #6
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one single 3" pipe is very free flowing and light duel exhaust is way over rated and heavy.
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      09-12-2007, 08:08 PM   #7
imported_MPower
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Quote:
Originally Posted by BMWeber View Post
one single 3" pipe is very free flowing and light duel exhaust is way over rated and heavy.
Agree. Looks actually very nice for a stock assembly.
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      09-12-2007, 08:11 PM   #8
blacknbean
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Quote:
Originally Posted by BMWeber View Post
one single 3" pipe is very free flowing and light duel exhaust is way over rated and heavy.

true dat..id take less weight any day..plus exhaust mods should be cheaper since theres less piping
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      09-12-2007, 11:17 PM   #9
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So this exhaust (stock) is much different than the 335is?
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      09-12-2007, 11:48 PM   #10
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time to get 3 inch exhaust, intake, and downpipe.
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      09-13-2007, 06:20 AM   #11
C_Topher
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Those brakes really fill the wheels nicely.
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      09-13-2007, 07:09 AM   #12
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Quote:
Originally Posted by bimmer_fan View Post
time to get 3 inch exhaust, intake, and downpipe.
MMMM a nice 3" mandrel bent custom exhaust with just a resonator and a high flow down pipe. Getting goose bumps just thinking about it.
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      09-13-2007, 11:32 AM   #13
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Quote:
Originally Posted by TheoIam View Post
Dam that looks high restictive compared to the 335i's true duels. :frown:

single 3.5 exhaust has better flow then dual 2.5. less friction.
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      09-13-2007, 11:42 AM   #14
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Quote:
Originally Posted by 335ito135i View Post
single 3.5 exhaust has better flow then dual 2.5. less friction.
even better 3.5" :thumbup:
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      09-13-2007, 03:45 PM   #15
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335i 'golf tee mod' will be popular I see.
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      09-13-2007, 05:54 PM   #16
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I bet aftermarket pipes will be 3.5, 3 at the smallest. The DP's are 3" where they connect to mid-pipe/catback, you won't to go any smaller then 3" or you'll cause a bottlenect. Anyone thinking about increasing boost with a chip or bigger turbo's should go 3.5.
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      09-16-2007, 09:56 AM   #17
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What with all those wires???
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      09-16-2007, 10:43 AM   #18
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Quote:
Originally Posted by TheoIam View Post
Dam that looks high restictive compared to the 335i's true duels. :frown:
This is what a true "duel" looks like...



The word you're looking for is "dual".
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      09-16-2007, 11:41 AM   #19
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Quote:
Originally Posted by WolfsburgerMitFries View Post
This is what a true "duel" looks like...



The word you're looking for is "dual".
Well played.
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      09-16-2007, 04:47 PM   #20
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Quote:
Originally Posted by tdc View Post
What with all those wires???

They supply power to the vehicle's battery during the show. Since you cannot have the car idling and charging the battery during the show, they plug it in.
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      09-17-2007, 03:23 PM   #21
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Great shots. The exhaust appears so bendy.

Though does anyone have pics of a 335i undercarriage?
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      09-17-2007, 05:35 PM   #22
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Easier, lighter, and cheaper for us to gain performance out of one pipe then two. Have to look at the good side!
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