DESTROYED 2017 BMW 230i B48 Engine Teardown. CHECK YOUR OIL FOLKS! Another Avoidable Disaster.

First teardown of the year! This is the engine from a 2017 BMW 230i with 112K miles. This is the B48B20 which can be found in a ton of different BMW and Mini Cooper vehicles include the 230i, 330i, Clubman, 530i, X2, etc.
This was in a modified vehicle that was abandoned and when the new owner got it running, he neglected to check the oil before a hard wide open throttle pull, which resulted in a very violent end to this engine. So just how bad was it and what happened as the result? Thats what this video will hopefully show.

If you'd like to buy parts from this teardown or others, visit www.Importapart.com or email us at Sales@Importapart.com

For other I Do Cars content check out my wife's channel at    / @thecarwifelife  

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Every week I post a new teardown video of a blown up or suspected bad engine. Check out a few of my favorites!
BMW N63 Teardown, WHAT A MESS!    • BMW HOT-V N63 V8 Engine Destruction! Inter...  
Mercedes M276 Turbo V6 Teardown    • Driver RUINED This 30K Mile Mercedes C43 A...  
Lamborghini V10 Teardown    • BLEW UP AT 7K RPM! 2018 Lamborghini Huraca...  

Why am I doing this? My name is Eric and I own and run Importapart, a full service auto dismantling business. Part of our model includes buying blown up and bad engines to dismantle for parts. We salvage the good, sellable parts and recycle rest. No, we don't rebuild engines but we do sell parts to people who do!

As always I hope you enjoyed this video. I love all of the comments, feedback and even the criticism. Catch you on the next one!

-Eric



00:00 Intro
02:18 Cleariing the front of the engine, water pump, thermostat and crank pulley removal
04:26 How to try to get this engine on the stand?
05:20 Clearing off the intake side of the engine, revealing more damage
06:30 Pulling the ignition coils and plugs and Ope, malice in the combustion palace
07:45 Removing the injectors and rail, and unbolting the valve cover
08:52 First look behind the valve cover. not too bad!
10:12 A peak down the intake ports, a little party debris in one
11:56 Unbolting the timing cover
13:34 First look at the timing system, everything look good here
14:17 Peeling apart the secondary chain system
16:11 Crammin the cam cramps loose to inspect the cam and journals but I have to put it back together :(
18:40 Cracking the head bolts free and lifting the head
19:33 Something is definitely. missing
21:01 THE SCIENCE
21:14 Unbolting the party platter to see what kind of engine smorgasbord is inside
21:43 ?Is this a cash register?
23:17 The Scope of the Magnitude Of the Level Of the the Severity Of This engines Failure
24:58 More chains gang
26:12 Turning the engine over, and wouldn't you know it, a piston nugget has been liberated!
27:19 Removing the dismantling the oil pump, or should I say, the Sparkle Spreader!
30:33 So much more damage, thanks balance shafts
32:01 Unbolting the rod caps, and then zipping out the main caps
33:06 THIS SHOULD JUST COME RIGHT OUT!
35:50 Forcing the balance shafts out, pushing the piston out, and then more balance shaft removery
38:45 Complete rotating assembly inspection, crankshaft, rods, bearings, pistons, rings, bores, block and balance shaft. It's all a wreck!
42:39 Summary