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Bmw 535D Trunk Lock Assemblys

Bmw 535D Trunk lock assemblys

Starting at $125.95, AutoBuffy stocks 2 trunk lock assemblies from URO to fit your Bmw 535D. The trunk lock assembly is the electromechanical latch mechanism that secures and releases your trunk lid. When it fails, your trunk may not latch, refuse to open with the key fob, or pop open unexpectedly — leaving cargo unsecured and compromising vehicle security.

Signs your Bmw 535D needs a new trunk lock assembly

  • Trunk does not release when you press the key fob or interior release button, even after confirming the battery is good
  • Trunk lid falls open on its own while driving or sitting parked, indicating the latch is no longer holding
  • Key turns in the lock cylinder but the trunk does not open, suggesting a broken actuator rod or cam
  • Grinding, clicking, or no sound at all when the release is triggered, pointing to a failed electric actuator inside the assembly
  • Trunk release works intermittently — opens sometimes but not others, often a sign of worn electrical contacts or a failing solenoid
  • Visible corrosion, a bent striker plate, or a physically broken latch housing after a rear-end impact or forced entry attempt

Which trunk lock assembly should you buy for your Bmw 535D?

Trunk lock assemblies vary primarily by whether they include an integrated electric actuator, a standalone manual latch, or a complete kit with the lock cylinder and keys. Match the replacement to your original setup — mixing an electric unit onto a manual-only trunk, or vice versa, requires wiring work that goes beyond a basic swap. OEM-equivalent fitment is the safest choice for preserving key fob and alarm integration.

OEM-Equivalent (electric actuator integrated)
Best for
Vehicles with factory power trunk release or remote key fob
What you get
Direct plug-and-play fit; preserves remote, interior release, and alarm functions without wiring modifications
Manual latch only (no actuator)
Best for
Older vehicles or trims with no power release; budget repairs
What you get
Simple mechanical latch and striker; no electrical connection required; lowest cost option
Complete lock kit (latch + cylinder + keys)
Best for
Cases where the cylinder was damaged, lost, or rekeyed after a break-in
What you get
New matched cylinder and key so the trunk key matches the door key; best for full security restoration
Remanufactured assembly
Best for
Cost-conscious owners who still need a working actuator
What you get
Rebuilt OEM core with replaced solenoid and contacts; typically lower price than new but carries a limited warranty

Trunk lock assemblys brands we stock for your Bmw 535D

URO
2 options · from $125.95

Replacing the trunk lock assembly on a Bmw 535D

Moderate⏱ 1–2 hoursTrim panel removal tool or flat pry toolScrewdrivers (flathead and Phillips)Socket and ratchet setNeedle-nose pliers (for actuator rod clips)Electrical contact cleaner (if reusing connector)

Start by opening the trunk and pulling back the interior trunk liner to expose the latch assembly, actuator wiring harness, and mounting bolts. Disconnect the electrical connector and any actuator rods before unbolting the old assembly, then transfer any reusable hardware to the new unit before installing and reconnecting. After bolting it in place, test the release with the key fob, interior button, and manual key before reinstalling the liner.

Frequently asked questions

How much does it cost to replace trunk lock assemblies on a Bmw 535D?
Parts start at $125.95 for a Bmw 535D trunk lock assembly at AutoBuffy. Add one to two hours of shop labor if you are not doing it yourself. Total out-of-pocket cost depends on whether you need a manual latch, a power actuator unit, or a complete kit with a new lock cylinder and keys.
Can I replace the trunk lock assembly on my Bmw 535D myself?
Yes, for most owners this is a manageable DIY job. The trunk panel liner must be peeled back to access the latch bolts and actuator connector. With basic hand tools and a trim removal kit, the swap typically takes one to two hours. Vehicles with complex wiring or alarm integration may require an extra step to clear any fault codes.
Why won't my Bmw 535D trunk open with the key fob but opens manually?
This almost always points to a failed electric actuator inside the trunk lock assembly. The mechanical latch is still intact, but the solenoid or actuator rod that responds to the fob signal has worn out or lost its electrical connection. Replacing the full assembly — rather than just the actuator — is the most reliable fix.
Will a new trunk lock assembly work with my existing Bmw key?
A replacement latch and actuator will restore function without changing your key, because the release is triggered electrically or by the interior handle. If the lock cylinder itself is replaced, you will either need a new cylinder keyed to match your existing key (order a complete kit) or have a locksmith rekey the new cylinder to your current key.
How long does a trunk lock assembly typically last?
Most trunk lock assemblies last the life of the vehicle under normal use, but electric actuators can wear out after years of repeated cycling or moisture intrusion. Rust, road salt exposure, and impacts from minor collisions are the most common reasons for early failure. Vehicles driven in wet or salty climates tend to see latch issues sooner than those in dry regions.
Is it safe to drive my Bmw 535D if the trunk won't latch?
No — a trunk that will not latch securely is a safety hazard. At highway speeds, an unlatched trunk lid can fly open, blocking the rear window and startling other drivers. Cargo can shift or fall into traffic. Temporarily secure the trunk with a bungee cord or rope and replace the lock assembly as soon as possible.

Shop trunk lock assemblys by year for the Bmw 535D

201620152014

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Trunk lock assemblys for other Bmw models

Bmw 328i xDriveBmw 335isBmw 330CiBmw 535iBmw 530xiBmw 528xi