Jake's Epic BMW 135i Build Thread! (5+ Years of Ownership)
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What do we have here?
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Yes. That.
2011 E92 M3 6MT ZCP - ESS 625 supercharged
2007 Z4MR
2003 E39 M5
2002 E46 M3
2021 X5 40i -
Upgraded stock or new? Idk what I'm looking at but more power!
They're upgraded twins, gonna get started on the install soon!
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Whats the second one for, and why are they so small?
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Are these installed yet? Is it done yet? Are we there yet?
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I'm imagining you turning into Kurt Russel's character from Death Proof once this is done. But instead of a Nova or Charger it's in a 135i. Not to say your going to turn into a murderer but people may get that feeling after going for a ride.
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I think his plan is to see if he can slow down the rotation of the earth.
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Lol
No progress yet. Still waiting on the last two batches of parts to come in. Trying to have it back on the road by July.
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Stock vs. not stock.
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Probably a bit of a heavy assembly. Is it a difficult to reach area for install? I had enough fun with my M20 stuff and there was a lot of room
It's best not to think about it. Even with the subframe dropped there isn't much room to work with in the N5x turbo-side of the engine bay. The problem is only amplified by having a larger turbo housing.
Shop time calls for roughly 11.5 hours +/- to replace/swap turbos on these cars.
2011 E92 M3 6MT ZCP - ESS 625 supercharged
2007 Z4MR
2003 E39 M5
2002 E46 M3
2021 X5 40i -
Stock vs. not stock.
Bringing this over to the next page, just because.
Probably a bit of a heavy assembly. Is it a difficult to reach area for install? I had enough fun with my M20 stuff and there was a lot of room
As Jordan said, this job sucks. I wish I could say that I already got my stock turbos removed, but the ones in the picture above are from my friends N54.
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Finally cleaned the white car this weekend and filled in some small paint chips.
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Update on the 135i:
I had a BMW technician friend do some work to the car. I didn't want to deal with dropping the transmission while laying on my back on the floor of my garage. I just wanted to concentrate on the turbo install, so he did the following:
- Replaced upgraded clutch with an even more upgraded clutch (Spec Stage 3+, kept my MFactory SMFW in there)
- New bellhousing bolts, throwout bearing and clutch fork
- Replaced transmission mounts with poly upgraded mounts
- Replaced shifter bushings with upgraded parts
- Replaced rear pinion seal and flush/fill the differential
I picked up the car and expected the clutch to be a pain to drive. Surprisingly it isn't much worse than the OEM 335is/550i clutch. Definitely daily driveable! The shifter feels tighter and notchier, I'm very happy. I put about 30 miles on the clutch and brought the car home to get started on the turbo install. I put the car in the air and took off the front bumper right away.
I don't have the most tools in the world, but I managed to get the subframe and steering rack out in about 4 hours. Another 2 hours and I had the fan, engine mount, downpipes, intercooler, inlets, outlets, water pump, and coolant lines out of the car.
I felt pretty accomplished after all of this. I discovered what coolant tastes like and was covered in grime, but knew I was making good progress. I decided to call it a night and clean up the garage so I could get a fresh start after work tonight again. Next step is to remove the oil pan and replace that gasket, and then remove the stock turbos.
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