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BMW M135i Aftermarket Exhaust Battle

12/23/2013 at 8:00 AM
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Our Hong Kong M135i members put together this aftermarket exhaust sound-off battle.

Here you can hear the stock vs M Performance vs Bastuck vs BCS vs Milltek exhausts.

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This is one extreme 1 Series Coupe (E82) build! It has received a heart transplant and is now powered by a turbocharged S54 motor, good for approximately 800 WRHP! Here are the full build specs so far:

Chassis:

- 2012 make factory new bodyshell
- Glassfiber bodykit and doors
- Carbonfiber hood, roof, trunk, inner fenders and dash

Suspension/subframe:

-E92 front and rear subframe incl diff and electric steering
-Custom K-sport E92 M3 spec coilovers
-K-sport 356mm front and 330mm rear brakes
-Custom exhaust with twin pipe… CONTINUED

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AC Schnitzer tunes the M135i hatchback to 360 HP. The extra power drops the 0-100kmh (0-62mph) time from 4.9 seconds to 4.7 seconds and the 80-180kmh time from 12.9 seconds to 10.8 seconds.

Here’s a video demo.

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M135i exhaust comparo put together by 1ADDICTS members, comparing the factory exhaust, BMW M Performance exhaust, and Bastuck exhaust.

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Making its debut at the 2013 Geneva motor show is this M135i F21 hatchback, by Swiss tuner, Sportec.

Sportec’s tuning program offers two stages. The first stage includes software tuning only, which upgrades the M135i’s N55 power output to 355 hp (from the factory 315 hp). The second stage includes the software upgrades from Stage 1, plus downpipes and new exhaust system (with titanium tail pipes), which combine to give the M135i 370 hp.

At 370 hp, Sportec claims that the M135i’s 0-62 mph (0-100 kmh) time … CONTINUED

Autoshows
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Here is a DIY install guide for installing N55 mid pipes on a N54 powered model and deleting the secondary cats.

The main benefit of deleting the N54′s secondary cats is more flow, better faster spool up of the turbos, and a louder more deeper tone of the exhaust note.

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Follow this great project thread as a 1ADDICTS member details his conversion of a 135i to 1M coupe+

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Sport Auto’s Christian Gebhardt in the BMW M135i by Versus Performance with 384hp (factory M135i has 320hp). Laptime Hockenheim and acceleration 0-259 km/h High Speed with Michelin Cup tires.

Bonus video clip of the M135i fitted with Bastuck Exhaust System.

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Enjoy this mega gallery from the 2012 Essen Motorshow featuring plenty of tuned and aftermarket equipped cars of all brands and makes.

BMW trotted out its latest BMW M Performance Parts wares and models.

Autoshows