aFe 49-36302-B MACH Force-Xp replaces the original rear muffler section with brushed 304 stainless tubing, a 3-inch resonance chamber and dual black 304 stainless outlets. Installation caps the original valve vacuum hose and reuses spring bolts, gasket and rubber mounts.
2008-2013 BMW 135i E82/E88 with3.0L inline-six N54/N55 turbo engines per current exact primary and own May 2013 manual. Original Base2008-2013 scope is retained. Engine displacement is 3.0L, correcting old 2.0L title;3-inch refers to exhaust/chamber dimension. No135is,128i,1M or later chassis application is inferred from related engines or linked accessories. Confirm original rear flange, spring bolts, rubber mounts and vacuum-valve hose.
| Years | Make | Model | Named grade; actual E82/E88_3.0L N54/N55, original flange/mount/vacuum-hose layout required |
|---|---|---|---|
| 2008-2013 | BMW | 135i | Base |
Verify 49-36302-B against the actual engine, flange, hangers and mounting locations and applicable emissions requirements before ordering.
| Detail | Value |
|---|---|
| Brand | aFe POWER |
| Manufacturer Part Number | 49-36302-B |
| System | MACH Force-Xp axle-back/rear muffler replacement |
| Manual terminology | Manual generic Cat Back wording; actual steps remove only rear muffler at mid-pipe flange, matching current exact axle-back primary |
| Material / chamber | Brushed mandrel-bent 304 stainless;3-inch resonance chamber; welding process unprinted |
| Selected outlets | Dual black 304 stainless; separate outlet dimensions/service identity unprinted |
| Vacuum connection | Disconnect left exhaust-tip valve hose and seal with provided cap; no electrical motor-transfer instruction |
| Original hardware | TWO spring bolts, inspected original gasket and all original rubber mounts |
| Torque / interval | NO NUMERIC TORQUE supplied; re-tighten after 150 miles |
| Performance evidence | Manufacturer advertises 12 hp/10 lb-ft; no actual dyno/flow sheet linked for conditions or peak/point comparison |
| Weight / sound | Manufacturer claims 15 lb reduction and smooth cruising tone; no scale report or measured cabin-drone chart linked |
| Emissions | Current exact manufacturer says no CARB EO required; upstream equipment retained |
ONE rear exhaust/tailpipe assembly with3-inch resonance chamber and selected dual black 304 stainless tips. Own manual shows BLACK assembly and labels tailpipe service05-45612; separate polished-assembly service identity and tip outlet dimensions are not printed. ONE provided cap is used on original left-side exhaust-valve VACUUM HOSE; cap service number/size is unprinted. Reuse TWO original spring bolts, original gasket after inspection and all original rubber hanger mounts. Replace gasket if necessary; no new gasket, spring-bolt package, band-clamp kit, electrical valve motor/controller or intake filter/coupler is itemized.
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
ONE rear exhaust/tailpipe assembly with3-inch resonance chamber and selected dual black 304 stainless tips. Own manual shows BLACK assembly and labels tailpipe service05-45612; separate polished-assembly service identity and tip outlet dimensions are not printed. ONE provided cap is used on original left-side exhaust-valve VACUUM HOSE; cap service number/size is unprinted. Reuse TWO original spring bolts, original gasket after inspection and all original rubber hanger mounts. Replace gasket if necessary; no new gasket, spring-bolt package, band-clamp kit, electrical valve motor/controller or intake filter/coupler is itemized.
Is the engine 2.0L or 3.0L?2008-2013 BMW 135i E82/E88 with3.0L inline-six N54/N55 turbo engines per current exact primary and own May 2013 manual. Original Base2008-2013 scope is retained. Engine displacement is 3.0L, correcting old 2.0L title;3-inch refers to exhaust/chamber dimension. No135is,128i,1M or later chassis application is inferred from related engines or linked accessories. Confirm original rear flange, spring bolts, rubber mounts and vacuum-valve hose.
Why is this classified as axle-back when manual says Cat Back?Current exact primary explicitly names axle-back. Own steps remove only rear muffler from existing mid-pipe flange and retain upstream exhaust. Generic manual Cat Back wording does not add a front or mid-pipe kit.
What happens to the original exhaust-valve hose?Disconnect VACUUM HOSE at left exhaust-tip valve and cap the hose with provided cap. Its service number/size is unprinted. No electrical motor/controller transfer or coding step is supplied.
Which original bolts, gasket and mounts are reused?Reuse TWO original spring bolts, original gasket after inspection/replacement if necessary and all original rubber hanger mounts. No new gasket or spring-bolt package is itemized.
What tip finish and service identity apply?Selected outlets are dual black 304 stainless. Manual shows black assembly labeled 05-45612; separate polished service identity and tip outlet dimensions are not printed. Do not infer dimensions from3-inch resonance-chamber size.
What cutting, torque and recheck apply?Primary says no cutting/drilling required. Own manual supplies no numeric torque. Check and re-tighten system after EXACTLY 150 miles, rather than borrowing another kit interval.
Are 12 hp/10 lb-ft and15 lb weight reduction independently measured?These are manufacturer claims without an actual linked dyno/flow sheet or scale report. Test conditions, point-versus-peak comparison and measured cabin drone are unavailable; no guaranteed gain or smooth-cabin measurement is certified.
Verify aFe 49-36302-B.
Own manual uses generic Cat Back naming, but current exact primary and rear-only flange procedure identify an axle-back. BLACK image/service label does not establish a separate polished replacement service number. Advertised12 hp/10 lb-ft and15 lb weight reduction lack actual linked test/scale reports; no guaranteed gain, install duration or drone-free sound is established. No welding process or separate tip outlet dimension is supplied by current exact primary.
California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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