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08-22-2015, 12:41 PM | #1 |
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Inlets
It looks like several of you guys are running inlets on the E89. I've got some work planned for the Z4 and wondering if I should throw some inlets in the mix. I'm hoping you guys can help with a few questions:
1) How involved is the install and is it something that would make sense to do at the same time we install downpipes? 2) How do these look in the engine bay on the E89? Do they look ghetto like BMS DCIs or more refined? 3) How do they sound? Any different than an open filter setup like the DCIs? 4) Are these worthwhile for some running stock turbos? The Z4 is my DD and I don't have any plans to do turbos or an engine build (yet). |
08-22-2015, 09:17 PM | #2 | |
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Quote:
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Ar Catless DP, MHD Flash, BMS DCI, ER FMIC, ER CP, Forged DVs
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08-22-2015, 09:49 PM | #3 |
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1) Its best to have inlets and downpipes installed at same time to void paying double labor if you having someone else do it
2) Far better than the pancake inlets, yes it makes it look more refined but if you got a DCI setup well they are what they look like 3) Inlets dont sound anything, but yes it will make the BOV sound louder, and air intake sound shshshshshs sound loader 4) Absolutely, not just the gains in power, but your turbo will run more efficiently Most important is a good tuner |
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08-30-2015, 11:43 AM | #4 |
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it was 400$ in labor to get mine installed.
Got the VTT inlets, which look stock. They sound awesome. you can hear the turbos much better. i put down ~450whp with inlets on stock turbos. so i'd say yes.
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2011 BMW Z4 35i | FBO | VTT Stg 2+ (EK, 20T clipped)| Motiv PI| Motiv Tuned | Fuel-IT Stg 2 + inline fuel pump | Spec Stg 3+ clutch | MFactory flywheel | 606whp 575Lbs |
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09-09-2015, 09:08 PM | #8 |
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Here are my custom made inlets... made a big difference in power and sound
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2009 Z4 35i 6mt, SpeedTech 6266 Gen2 turbo kit, Tial WG, VRSF 7.5 race IC, ER charge pipe, Tial BOV, Radium Fuel cell w/ surge tank and twin Walbro 525 pumps, Radium FPR and return line, Bluetooth ethanol sensor, Phoenix intake manifold w/PI, JB4 tuner, PR coil packs, Custom oil cooler, ECS Radiator, Spec 3+clutch, Mfactory flywheel, single 3.5" into dual 3" exhaust, H&R springs, 19" TSW wheels, 235/19 & 275/19 RE11 tires
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09-10-2015, 12:24 AM | #9 |
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Custom? Care to share your recipe? That looks good.
Last edited by Hujan; 09-10-2015 at 12:44 AM.. |
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09-10-2015, 01:53 PM | #10 |
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Thanks!
It was actually pretty simple... 2- universal cone filters with 2.5" inlets, $30 each eBay 2- 2"x2.5" 90 degree silicone elbows (longer style) $20 each eBay 2- ShopVac extension tubes (the smooth kind, cut to length) $8 each Menards 2- 2" & 4- 2.5" stainless t-bolt hose clamps, less then $25 on eBay 4' of 3/4" heater hose & clamps (relocate radiator reservoir) $10 Napa So basically I only spent around $150 I removed the factory inlets and installed the new ones while I was doing my downpipes, intercooler, and charge pipe install, so that made it much easier. The only cutting I had to do, was to trim a "U" shaped notch in the heat shield for the rear inlet tube to pass through... |
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