Turbo Overhaul Gasket & Hardware Kit, Genuine BMW - E82 135i, E9X 335i N54
All Genuine BMW parts to make your N54 turbo install go smoothly
This kit includes all of the commonly-replaced gaskets and hardware related to swapping turbos on your 2007-2010 E82 135i and E90/E92/E93 335i N54 model. These are all Genuine BMW parts - no OEM or aftermarket - so you can be assured the parts are of the same quality and performance as when the car was new.
2 x 18307553601, turbo to downpipe gasket ring
2 x 11657620508, turbo to downpipe flange t-bolt clamp
2 x 18307553603, downpipe to center exhaust gasket
4 x 11627509731, downpipe to center exhaust copper nut
3 x 11517602123, water pump mounting bolt
1 x 11537545302, water pipe to engine block gasket
2 x 11427563453, oil return lines to engine block o-ring
2 x 11422246091, oil return line to turbo housing profile gasket
8 x 11427558936, coolant line connection o-ring
2 x 13717568030, hotside chargepipe to turbo flange o-ring
1 x 11617791470, hotside chargepipe to intercooler o-ring
2 x 11657558922, hotside chargepipe to intercooler t-bolt clamp
1 x 13717568029, rear turbo inlet gasket ring
1 x 13712247398, front turbo inlet gasket ring
16 x 18407502196, copper flange nut
6 x 11627558906, turbo manifold gasket
16 x 11127593376, manifold stud
4 x 11427558936, oil supply line o-ring
1 x 11657803732, meter of vacuum line
When replacing the N54 turbos there are many parts that must be replaced and some that are simply a good idea to replace. This kit covers both and sits in between a minimalist kit for the ace DIYer and the ultra kit for the DIY or shop that wants a completely fresh install. It should be noted that while replacing turbos can be done with the car on jack stands, "the easiest" procedure is to drop the subframe, suspension, engine, and transmission from below (a lift is essential here). This allows infinite access to the parts. Depending on which procedure you choose, additional parts may be required - see below for links or contact us for advice.
Note for 335xi models: more parts must be removed to access the turbos on Xi AWD models. This may include the axle shaft, subframe, right side engine mount, and steering rack. How much you remove is dependent on your abilities and tool chest. All of the parts in this kit are common to the Xi models, however, there may be other parts needed depending on how much more is removed for access. Contact us via phone or email for a group of parts we have available to assist you.
All of the parts in this kit are Genuine BMW, just as if you went to the local dealer parts department (but bundled together for special kit pricing). All Genuine BMW parts include a two year warranty. We also offer this kit with OEM or aftermarket parts that offer the same quality but with more savings.
Are you reusing your original oil supply/return lines?
In some cases, the turbocharger oil lines can be reused. Careful inspection is highly recommended. Aging oil lines are a common source of leaks. The oil supply and return lines can also become kinked during the turbocharger removal process. If you suspect that your lines have been bent or damaged, it is wise to replace them preventively. Another reason to replace the N54 oil lines is that the lines can become plugged and restricted by burnt oil residue, causing the turbochargers to overheat and fail. If you're replacing your turbos, we recommend replacing the oil supply/return lines while you're in there. See below for BimmerWorld Recommended Related Items.
Don't forget to prime your turbo(s) with engine oil before running the engine!
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
E82 / E88 (08-13) > 135i
E82 (11-12) > 1M
E90 / E92 / E93 (07-10) > 335i
E90 / E92 / E93 (07-10) > 335xi
E92 / E93 (11-13) > 335is
E89 Z4 (09-16) > Z4 sDrive35i
E89 Z4 (09-16) > Z4 sDrive35is