M135i & M235i (n55) tuning
All installations are carried out to precise torque specifications.
Packages
Stage 1
- DME Reprograming & Recalibration
- Performance Air Filter
|
Stock |
After |
|
Horsepower |
315bhp |
405bhp |
+90bhp |
Torque |
450nm |
565nm |
+115nm |
Stage 2
- DME Reprograming & Recalibration
- Performance Intake System
- Performance Intercooler
|
Stock |
After |
|
Horsepower |
315bhp |
413bhp |
+98bhp |
Torque |
450nm |
568nm |
+118nm |
Stage 3
- DME Reprograming & Recalibration
- Performance Intake System
- Performance Intercooler
- Primary Catless Downpipe
|
Stock |
After |
|
Horsepower |
315bhp |
431bhp |
+116bhp |
Torque |
450nm |
582nm |
+132nm |
Introduction
The N55 engine is the evolution of the N54 which
uses a single twinscroll turbocharger instead of twin single scroll
turbochargers with the addition of variable valve lift (valvetronic
system) to control engine rpm. The high-pressure fuel system has also
been revised for optimum performance and better reliability, a fault
that plagued earlier n54 engines. This platform responds extremely well
to tuning and can withstand upwards of 500bhp with an upgraded
turbocharger.
We can increase the performance of your BMW
by keeping within the safe limits and tolerances of all driveline
components. We achieve this by reprogramming the DME (Digital Motor
Electronics) with a modified performance map that was developed
through years of research and extensive dyno testing. The result is a
smooth and linear power delivery, retaining the factory torque curve
with a lot more power all over the rev range.
It may be hard to believe, but fuel economy is
slightly improved under normal driving conditions. This is largely
due to the extra torque that is now available in the lower rev range
which means that you don’t need to rev your engine as much in order
to gain momentum. The automatic transmission does not downshift as
easily when you demand more power during day to day driving and
overtaking manoeuvres.
does it affect reliability?
It does not affect reliability as long as you maintain your vehicle by following all recommended service schedules. Your vehicle is equipped with Condition Based Servicing (CBS) which keeps track of all main service items on the iDrive computer. In addition to this we also recommend that you change your oil, filter and spark plugs at half the manufacturer recommended intervals in order to maintain a healthy engine.
-
WE RECOMMEND 7,000 MILE OIL SERVICE INTERVALS for tuned vehicles
applications
- M135i
- M235i