Still smoking after motor swap? Oil buildup?

MachWon · 12-24-2015, 02:18 PM

Hi guys,

I got my car back with a 67k mile motor and turbos put in, and all seemed well when I pulled out of the shop. Got 5 minutes down the road (car starting to warm up), and boom... cloud of white smoke as I rolled to a red light.

The car has new valve cover, VCG, oil pan gasket, both main seals. It is smoking just as it was before (and smells the same too), is it possible that the car just has a ton of oil in the exhaust and is burning it off? I'm kind of in denial that these turbos are blown also.

Side note, I'm shocked at how good a healthy 335i runs. Map 1 on this setup feels like map 7 on the old one. Maybe now I can finally outrun a coyote...

Fundguy1 · 12-25-2015, 05:41 AM

Why you replace the motor? Shouldn't have any smoke.

MachWon · 12-25-2015, 12:20 PM

The old one blew something piston related. No compression on cylinder 2 and low compression on cylinder 5.

Jnat · 12-25-2015, 12:34 PM

Used or new turbo's?

MachWon · 12-26-2015, 10:53 AM

Turbos came with the motor so 67k miles.

Lambobimmer · 12-26-2015, 11:10 AM

Generally most used parts come with a 30 or 60 day warranty. I would have it warrantied and find another engine.

12-24-2015, 02:18 PM	#1
MachWon Private First Class 25 Rep 197 Posts Drives: 2007 335i 6mt. JB4 + CDP's. Join Date: Mar 2015 Location: . iTrader: (0)	Still smoking after motor swap? Oil buildup? Hi guys, I got my car back with a 67k mile motor and turbos put in, and all seemed well when I pulled out of the shop. Got 5 minutes down the road (car starting to warm up), and boom... cloud of white smoke as I rolled to a red light. The car has new valve cover, VCG, oil pan gasket, both main seals. It is smoking just as it was before (and smells the same too), is it possible that the car just has a ton of oil in the exhaust and is burning it off? I'm kind of in denial that these turbos are blown also. Side note, I'm shocked at how good a healthy 335i runs. Map 1 on this setup feels like map 7 on the old one. Maybe now I can finally outrun a coyote...
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12-25-2015, 05:41 AM	#2
Fundguy1 Major General 2043 Rep 8,339 Posts Drives: 335 e93 Join Date: Aug 2014 Location: Orlando, fl iTrader: (0)	Why you replace the motor? Shouldn't have any smoke.
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12-25-2015, 12:20 PM	#3
MachWon Private First Class 25 Rep 197 Posts Drives: 2007 335i 6mt. JB4 + CDP's. Join Date: Mar 2015 Location: . iTrader: (0)	The old one blew something piston related. No compression on cylinder 2 and low compression on cylinder 5.
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12-25-2015, 12:34 PM	#4
Jnat DisplacementReplacement 914 Rep 1,439 Posts Drives: 2020 X3M Join Date: Sep 2012 Location: South Jersey iTrader: (0)	Used or new turbo's? __________________ CURRENT-2020 X3M - MHD+BEND CAL FLEX TUNE /XHP St3/ER MID/HRSPRING/265.305 21 PZERO * 2018 RS3 STG2 * 2016 GOLF R STG2 FLEX * 2020 FORD EXP ST * PAST-2017 BMW 240XI-HYBRID TURBO ECT * 2015 BMW 235XI STG2 ECT * 2009 BMW 335XI STG2 * 3-STI/WRX'S * 2 BUILT FOX BODY;S * CORVETTE * 77 MONTE CARLO 406 BUILT SMALL BLOCK * 2 JEEPS *
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12-26-2015, 10:53 AM	#5
MachWon Private First Class 25 Rep 197 Posts Drives: 2007 335i 6mt. JB4 + CDP's. Join Date: Mar 2015 Location: . iTrader: (0)	Turbos came with the motor so 67k miles.
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12-26-2015, 11:10 AM	#6
Lambobimmer Major 303 Rep 1,473 Posts Drives: 2022 X3 M40i, 2018 TTRS Join Date: Jan 2010 Location: Tarheel iTrader: (14)	Generally most used parts come with a 30 or 60 day warranty. I would have it warrantied and find another engine.
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