All posts regarding the 135i
135i - NOPOWER
John 5 Feb 2021 • 1 min read
2012 BMW 135i Coupe
- 3.0L inline-6 cylinder, turbocharged, intercooled
- 6-speed manual transmission, rear wheel drive
Performance Modifications
Engine
- Stock BMW N55 long block, rebuilt at 103k miles by Ghassan Automotive
- VAC Motorsports oil pan baffle - BMW N55 (VAC-OPB-N55)
- Upgraded oil cooler
- Stock intake
- PURE N55 high flow turbo inlet (blog post)
- PURE Stage 1 turbo
- GFB DV+ bypass valve
- VRSF 5" stepped performance intercooler, hard pipes (blog post)
- AEM water injection and intercooler sprayer, custom tank (blog post)
- 3.5 bar MAP sensor
- MHD N55 reflash, custom tune by Twisted
- VRSF 3.5" catless downpipe
- Stock cat-back exhaust
Drivetrain
Brakes
- Stock brake calipers
- Stainless steel brake lines
Suspension
- M3 control arm upgrade
- Aluminum subframe bushings
- Polyurethane motor, transmission mounts
- BMW M3 differential bushings
- ST Suspensions XTA adjustable coilover with top mount (18220839)
- ECS tuning front and rear sway bars, adjustable end links
Total Investment
| Part | P/N | Notes | Cost |
|---|---|---|---|
| Ghassan N55 engine | $3995 | ||
| VAC Motorsports oil pan baffle | VAC-OPB-N55 | $200 | |
| PURE BMW N55 high flow inlet pipe - E Series | $250 | ||
| PURE BMW N55 Stage 1 | $895 | ||
| GFB DV+ bypass valve | T9356 | $140 | |
| VRSF 5" stepped performance intercooler | $380 | ||
| VRSF chargepipe upgrade kit, no BOV flange | 10901020A | $180 | |
| VRSF 2.5″ lower charge pipe | 305450 | $73 | |
| VRSF N55 turbo outlet charge pipe | 10901020E | $180 | |
| VRSF 3.5″ catless downpipe N55 | $180 | ||
| AEM water/methanol injection kit | 30-3350 | $445 | |
| BMW 3.5 bar MAP sensor | 13627843531 | $65 | |
| MHD reflasher super license for N55e | $370 | ||
| Burger Motorsports short throw shifter | $120 | ||
| MFactory 135i MT twin disc clutch | MF-TRS-08E92A | $1600 | |
| ST Suspensions XTA adjustable coilover | 18220839 | $1349 | |
| ECS Tuning E82 front & rear sway bar kit | 2828690 | $350 | |
| BMW 11-Piece M3 control arm upgrade kit | BMWMCAKTFR | $708 | |
| Turner rear subframe bushings - solid aluminum | TDR9080SRS | $260 | |
| BMW M3 differential bushings | 33312284019 | $69 | |
| $11,809 |