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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > How many miles does your N55 have?



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      06-17-2018, 04:04 PM   #331
rich_mane
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Originally Posted by dleccord View Post
Will the N54 6MT fit all E90 335iís? Also how much was labor and how difficult was the coding?
I don't see why it wouldn't work with all RWD E90s. I did everything myself, figuring out the wiring was probably the hardest part but once I had that sorted out it was a pretty easy swap. Parts cost me about $1300. Coding is just removing auto option $205 from VO, writing new VO to the car and deleting all adaptations through INPA. Easier than I expected.
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      06-17-2018, 08:46 PM   #332
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2011 BMW 335I  [0.00]
65,000 miles.
2011 335i
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      06-20-2018, 10:35 AM   #333
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2013 E92 335i M Sport
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      06-26-2018, 09:34 PM   #334
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2011 e90 335xi
Just hit 160k
I personally only put 5k on it since I purchased in about 3 months ago.
Runs like it's new, small kinks but nothing that hinders it's performance. Love my 335
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      06-27-2018, 10:49 PM   #335
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11 e92 just hit 90k yesterday
VCG 2x
Coolant expansion tank 2x
Lower control arms
Eccentric shaft/vanos servomotor failed
Charge pipe busted
Windows actuator drivers side
Shocks/struts
Still on OG sparks & coils still running strong. About to change them and do walnut blasting. +OFHG
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      07-06-2018, 07:04 PM   #336
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125,000kms. In last 10,000km:

Had to do its first ofhg. Gasket failed 2 days after repair, towed back to shop and it was redone. Oil got all over the engine bay but mechanic said I caught it early enough to prevent any damage.

AC wasn't blowing cold, don't know how long. Haven't used it since last August. Recharged it and it seems to be ok for now.

Valve cover is leaking but slowly enough to not warrant attention yet.

Also my coolant level goes down a bit every few thousand km, dunno why. I just keep refilling and it seems k
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      07-06-2018, 07:25 PM   #337
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Quote:
Originally Posted by katatonia View Post
Also my coolant level goes down a bit every few thousand km, dunno why. I just keep refilling and it seems k
For me this persisted after a new water pump, thermostat and coolant cap. I could see stains around the coolant cap area sometimes

Workshop finally decided it had to be something in the engine, opened it up and found one of the headbolts was loose.
It was a huge job, engine had to come out. Luckily I had an aftermarket warranty to cover most of the cost.
Must have been a factory fault that the last owner ignored.

Now 1 year on and 10 000km, no coolant light yet...

I'm at 160 000km now.
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      07-09-2018, 08:05 AM   #338
ignote
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2011 135i N55 - build date 04/2010
109,000 Mostly Highway Miles
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      07-20-2018, 07:05 PM   #339
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Quote:
Originally Posted by maddmatth View Post
For me this persisted after a new water pump, thermostat and coolant cap. I could see stains around the coolant cap area sometimes

Workshop finally decided it had to be something in the engine, opened it up and found one of the headbolts was loose.
It was a huge job, engine had to come out. Luckily I had an aftermarket warranty to cover most of the cost.
Must have been a factory fault that the last owner ignored.

Now 1 year on and 10 000km, no coolant light yet...

I'm at 160 000km now.
That's scary - what happens if left ignored?
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      07-20-2018, 07:45 PM   #340
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Quote:
Originally Posted by katatonia View Post
That's scary - what happens if left ignored?
My guess is it would progressively get worse as the head gasket wears down and it would pretty much be like any other head gasket failure causing overheating, oil and coolant mixing ect. But considering at 150 000km my symptoms were still limited to slow coolant loss, it might have taken many more years to reach that point.

Cylinder 6 might have tended to have more timing corrections as a result but I don't think I had enough logs to tell for sure.

Attached pics from when they opened the engine, you can see the oil residue around where the loose bolt was on the bottom left.
Attached Images
  
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      07-21-2018, 12:55 PM   #341
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2011 335 msport bought in August 2015 with 9000 miles - as of July 2018 have 39000 miles.

Been good car besides msport wheels not handling pot holes well had multiple blow outs -

Water pump died at 20k miles.. thankfully covered under warranty

Oils filter gasket (common) leak covered under warranty
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      07-22-2018, 02:22 PM   #342
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Bought my e92 n55 xdrive last October, now has 102,xxx. Spark plugs and coils 93,000, front pads and rotors 100,000, Tie rods, alignment, new Pilot Super Sports, and VMR v710’s yesterday!
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2011 e92 n55 xdrive, ER chargepipe, AR downpipe, MHD Stage 2, VMR v710
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      07-23-2018, 01:09 AM   #343
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2011 335i M-Sport @ 41,500mi

Water Pump @ 30k
Thermostat @ 30k
HPFP @ 10k
Oil Pan Gasket @ 35k
Camshaft Position Sensor @ 35k
Multiple hoses replaced @ 35k
Battery @ 40k
Power Steering Flush @ 40k

Pretty typical stuff.
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      07-24-2018, 07:14 PM   #344
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Quote:
Originally Posted by ghst View Post
2011 335i M-Sport @ 41,500mi

Water Pump @ 30k
Thermostat @ 30k
HPFP @ 10k
Oil Pan Gasket @ 35k
Camshaft Position Sensor @ 35k
Multiple hoses replaced @ 35k
Battery @ 40k
Power Steering Flush @ 40k

Pretty typical stuff.
I wouldn't say the HPFP at 10k is typical
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      07-24-2018, 11:25 PM   #345
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I'd say none of those seem typical.
Battery maybe depending on age, PS fluid is just maintenance. But the rest... no way. That's way too early for WP failure and leaks.
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      07-25-2018, 02:39 AM   #346
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2012 Alpine White/Coral Red 335xi M Sport
Purchased with 42,608 miles
JB4, ER Charge Pipe, BMS Intake went on about 1-2 thousand miles later

Maintenance before mods as they say, I made sure to do all the maintenance, oil change, fresh set of plugs, OFHG replaced, intake manifold gaskets replaced, coolant replaced, and many more minor inspections to make sure everything was top notch

3 months later, we're at 48k and enjoying every second of it
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      09-16-2018, 09:09 PM   #347
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Quote:
Originally Posted by cahme View Post
Checking in again ... I rolled 159k miles today. 2011 335 bought 10/2015 @ 113k mi. Here's my repair list
- 113k: intake valve cleaning
- 114k: charge pipe
- 118k: clutch, pressure plate, throw-out bearing (kept stock flywheel)
- 118.1k: Rear Transmission seal; leaked 2 weeks after clutchswap
- 120k: Coolant Expansion tank (leaked at seams)
- 124k: Boost Solenoid (wasn't hitting boost target .. this didn't completely fix it, but did solve the code (2C58)
- 125k: Diverter valve blew and I replaced it with a DV+ .. this fixed the boost target issue
- 126k: HPFP; was able to drive home but car ran awful with misfires on all cyl
- 131k: TPMS sensors; one had low battery causing light after 15 min of driving (changed out with tires)
- 131k: OFHG; found trace of oil residue in coolant
- 140k: shocks/struts & bushings, front wheel bearings
- 147k: Starter; just quit out of the blue
- 150k: precat O2 sensor (2D0D code)

Brakes & Rotors are just around the corner ...
What did the coolant expansion tank, hpfp, suspension work and the starter cost you each?
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      09-16-2018, 10:37 PM   #348
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Quote:
Originally Posted by evan5291 View Post
What did the coolant expansion tank, hpfp, suspension work and the starter cost you each?
I've done all the work myself, so it was just the parts
$125 - Expansion tank (dealership)
$343 - HPFP (reman FCP Euro)
$450 - Bilstein B4 shocks, mounts, etc (FCP Euro)
$140 - starter (Napa)
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      09-17-2018, 04:50 PM   #349
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      09-17-2018, 07:20 PM   #350
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Photo from this morning. 2011 335i

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2011 E92 335i Auto 0-60 = 3.66 12.0 @ 125MPH JB4 / 11.7 @ 120MPH E30 MHD
Stock
2014 E84 X1 35i 0-60 = 5.28 13.7 @ 99MPH 293 AWHP 305 AWTW When stock
ER Chargepipe | BMS Intake |
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      09-18-2018, 08:47 AM   #351
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I just cracked a little over 40k, but picked it up in March with 31k. Moving right along, enjoying every mile.
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      10-05-2018, 03:22 PM   #352
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2011 E93 335i M Sport, 6 Speed, 84k Miles.
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