BMW Engine Parts for BMW 5 Series E34 (1987-1995)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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ECS Heavy Duty Ground Cable Upgrade (12421737755) - E30, E36, E39, E4...
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ECS - Corporate Logo
T#:49996974
Part#: 059235LA01
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If you're experiencing hard starting, flaky charging, or other electrical issues, your engine ground strap may be the culprit. On older BMWs, the engine ground strap is a thin, non-insulated cable that spans from the engine mount arm to the frame horn. Despite the seemingly simple nature of this part, on older cars, it is known to cause massive headaches. Due to its non-insulated design, years of exposure to water, dirt, and road salt will cause the wire to corrode, ultimately leading to complete failure. A break in this cable will cause an open circuit, resulting in issues with the vehicle's electrical system and potentially leading to a no-start condition.

To solve this issue, ECS has engineered an exact-fit, upgraded ground strap for your BMW! Unlike its OEM counterpart, this design features insulated, large-gauge copper wire for dependable conductivity and long-lasting durability. Additionally, factory-style lugs are zinc-coated, crimped, and soldered, ensuring protection against corrosion and oxidation.

Whether you're replacing a visibly corroded strap or proactively preventing failure, this solution from ECS is sure to provide lasting performance and protection.

FEATURES

Direct-fit replacement and upgrade for E30 (318i/is), E36, E39, E46, and others Solves intermittent grounding issues caused by aging OEM straps Clean, stealthy design that fits seamlessly in factory engine bays Factory length and lug orientation for drop-in fitment 2 AWG tinned copper cable for excellent conductivity and corrosion resistance Zinc-coated lugs, crimped and soldered to resist moisture and oxidation Black UL1015-grade insulation withstands oil, heat, and abrasion Discreet ECS label for a clean, OEM+ look Replaces OEM part numbers 12421737755 and 12421714262.

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Kolbenschmidt Engine Camshaft - BMW E30 E34 M20 2.5L
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Kolbenschmidt - Corporate Logo
T#:49335130
Part#: 11311716138
In Stock at Vendor
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$ 234.18 USD
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The camshaft has a critical job that impacts engine performance and efficiency. As the camshaft spins, the cam lobes open and close intake and exhaust valves, which is vital to the engine's operation. If the lobes become worn or damaged, the engine will suffer drastically. It is imperative to replace the camshaft when damaged or when wear occurs to prevent costly repair bills and to ensure the engine is operating smoothly and efficiently.
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VTT Turbocharger Inlet Flange - Garrett G40/42/45 V-Band - 86mm ID ...
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Vargas Turbo Technologies - Corporate Logo
T#:52270240
Part#: GARROUTT4G4045
Ships in 10 Business Days
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$ 32.29 USD
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$ 32.29 USD
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Upgrade your turbocharger exhaust connection with the VTT-FAB 86mm V-Band Outlet Flange, designed for the Garrett G40-G45 frame sizes.

Hitachi Voltage Regulator - BMW E31 E32 E34 E36
For vehicles with compact alternator
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Hitachi - Corporate Logo
T#:48850064
Part#: 12311747920
Ships in 6 Business Days
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$ 37.99 USD
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$ 37.99 USD
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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.
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Schwaben Piston Ring Specialty Toolset
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Schwaben - Corporate Logo
T#:53361638
Part#: 3594SCH01AKT
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This product was last offered at the strikethrough price on
05-03-2026

$ 98.07 USD
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Sale - Save 7%
$ 104.99

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Whether you are building a high-performance engine or simply performing a routine rebuild, getting your piston ring end gaps and installation right is critical for optimal engine performance, compression, and longevity. Designed to meet strict standards, this comprehensive toolset provides everything you need to file, measure, and install piston rings safely without causing damage.

KIT CONTENTS

Schwaben Piston Ring Filer

Easily modify piston rings for OEM engine rebuilds and boosted applications Cuts quickly and smoothly, allowing you to easily avoid filing in excess Durable, bench-mountable construction with a long-lasting diamond abrasive wheel Piston Ring Installation Tool

Ensures even tension distribution during expansion Accommodates all pistons ranging from 60 mm to 175 mm in diameter Features an easy thumb-release locking mechanism for quick and secure operation Feeler Gauge Set

16 blades - 0.002-0.025 inch thickness measurements

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Pro-Line Injector And Glow Plug Grease - 20g
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Liqui-Moly - Corporate Logo
T#:49787695
Part#: 22243
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$ 6.99 USD
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This high-performance lubricant is formulated to prevent moisture ingress and oxidation, which are the primary causes of "frozen" injectors and glow plugs.

Oil Drain Plug With 4 Crush Washers
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Genuine BMW - Corporate Logo
T#:55209893
Part#: 071199631KT
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$ 2.80 USD
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The Genuine BMW Performance Sealing Washer Kit features the foundational hardware required to complete your top-end or track-day prep correctly.
Shifter Rebuild Hardware Kit
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Genuine BMW - Corporate Logo
T#:55209882
Part#: 07119905KT
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$ 4.80 USD
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Radium - Split-Flow Flex Fuel Sensor Adapter
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Radium Engineering - Corporate Logo
T#:53290958
Part#: 20-0589
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$ 99.99 USD
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CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
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Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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Battery Tender Plus Advanced Battery Charging System
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Battery Tender - Corporate Logo
T#:49892371
Part#: BTT0210128
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$ 69.99 USD
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Water Pump & Thermostat Housing Gasket Kit
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Genuine BMW - Corporate Logo
T#:55209942
Part#: 1153175KT
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$ 14.29 USD
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This Genuine BMW Coolant Pipe and Thermostat Sealing Kit features the exact factory-issued rubber O-rings needed to seal the smaller engine block water line and the main thermostat unit housing.


Vargas EWG Actuator To Garrett G25-G35 Housing Bracket - BMW EWG G25/...
For vehicles with Electronic Waste Gate
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Vargas Turbo Technologies - Corporate Logo
T#:51778114
Part#: VTT-FAB-BMW-EWG-
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$ 67.99 USD
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The Vargas EWG Actuator Bracket is the definitive solution for enthusiasts looking to merge BMW’s advanced factory EWG control with the high-performance capabilities of Garrett G-Series turbochargers.
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SuperTech Dual Valve Spring Upgrade Kit w/ Steel Retainers - 67lbs - ...
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Supertech - Corporate Logo
T#:51426477
Part#: SPRKH100DRBMST
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$ 833.99 USD
Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional performance and durability even at high RPMs. CAD engineering ensures that the wire stress levels remain within defined limits for long-lasting durability, even under extreme racing conditions. Advanced computer software allows Supertech to meticulously control harmonics, ensuring optimal performance. Manufactured with high-quality military-certified Steel, the retainers are CNC machined to provide a precise fit, guaranteeing longevity and reliability.
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Dipstick Tube Sealing Kit
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Genuine BMW - Corporate Logo
T#:55317660
Part#: 1143DTSKT
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$ 16.08 USD
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Keep your BMW's engine bay dry and your crankcase pressure sealed properly with this Genuine BMW lower dipstick tube sealing kit.

DeatschWerks High-Flow Billet Fuel Rail - -8AN ORB - BMW M50, M52, M5...
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DeatschWerks - Corporate Logo
T#:53891648
Part#: 7-900
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Upgrade your classic BMW's aging fuel system with the DeatschWerks 7-900 Performance Fuel Rail.

Wire Pinning Kit - MLK 1.2 Female Jack
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Genuine BMW - Corporate Logo
T#:55281746
Part#: 125275WRKT
Ships in 9 Business Days
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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.
Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...
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Morimoto - Corporate Logo
T#:54388428
Part#: H240
Ships on Jul 21, 2026
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$ 18.21 USD
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Engine Valve Cover Gasket Set
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Elring - Corporate Logo
T#:54317211
Part#: 318.550
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$ 49.99 USD
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Eliminate oil seepage and maintain rock-solid crankcase pressure with this track-tested, OEM-quality sealing solution.
Engine Valve Cover Gasket Set
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Elring - Corporate Logo
T#:54352764
Part#: 318.610
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This Elring Valve Cover Gasket Set is the ideal factory-replacement solution to refresh your engine's sealing integrity.

Engine Oil Drain Plug
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Elring - Corporate Logo
T#:54317188
Part#: 455.740
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$ 8.99 USD
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This engine oil drain plug is engineered to original specifications, delivering the perfect thread pitch and sealing performance.

Engine Valve Cover Gasket Set
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Elring - Corporate Logo
T#:54352774
Part#: 318.620
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This kit delivers exact fitment, excellent sealing properties, and the long-term durability required to survive demanding driving conditions.
Engine Cylinder Head Gasket Set
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Elring - Corporate Logo
T#:54495222
Part#: 445.300
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This kit eliminates common engine failure points like external oil weepage, coolant-to-oil mixing, and white exhaust smoke.
Engine Valve Cover Gasket
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Elring - Corporate Logo
T#:54566494
Part#: 11121747022
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$ 18.99 USD
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Keep your classic BMW V8 operating at peak efficiency with this direct-replacement Left Side Valve Cover Gasket from Elring.


Engine Valve Cover Gasket
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Elring - Corporate Logo
T#:54566506
Part#: 11121747021
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$ 18.99 USD
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This Elring Right Hand Valve Cover Gasket offers an excellent, cost-effective alternative to expensive dealership parts without sacrificing performance.
Valve Cover Gasket
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Elring - Corporate Logo
T#:54530858
Part#: 11121747023
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$ 8.99 USD
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Keep the oil on the inside of your engine and off your exhaust manifolds with this replacement inner valve cover gasket from Elring.
Engine Conversion Gasket Set
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Elring - Corporate Logo
T#:54744798
Part#: 816.982
Ships on Jul 24, 2026
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$ 73.99 USD
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Keep your classic BMW engine dry, efficient, and ready for spirited driving with this premium bottom-end gasket kit from Elring.

V-ribbed AC Belt
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Meyle - Corporate Logo
T#:55497496
Part#: 500051005
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$ 6.99 USD
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Meyle engineered this belt as a high-quality, direct OE-alternative, using advanced materials designed to withstand the demands of spirited driving

V-ribbed AC Belt
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Meyle - Corporate Logo
T#:55461426
Part#: 500050975
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$ 6.99 USD
$ 6.99 USD
A frayed or slipping AC belt doesn't just ruin your cabin comfort; a snapped belt can whip around and destroy expensive engine components or pull down other vital accessory belts.
Meyle Crank Position Sensor - E36, E34
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Meyle - Corporate Logo
T#:55497425
Part#: 3148998003
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$ 25.99 USD
$ 25.99 USD
Don't let a basic sensor keep your E36 or E34 off the tarmac—swap in this high-quality Meyle unit and drive with confidence.

Meyle A/C Belt - 5PK905 - E36 E34 E39 M52/S52 6 Cylinder
For vehicles with production date from 01/1992
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Meyle - Corporate Logo
T#:55497413
Part#: 0500050905
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$ 5.99 USD
$ 5.99 USD
This belt drives the air conditioning compressor for the AC system. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, or cause noise, it's time for new ones.
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V-Ribbed Serpentine Belt
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Meyle - Corporate Logo
T#:55353640
Part#: 0500061570
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$ 16.99 USD
$ 16.99 USD
This Meyle serpentine belt is built to strict original equipment quality standards to keep your alternator, power steering, and cooling systems running without a hitch.

Meyle Accessory Belt - Alternator/Water Pump/Power Steering - E36 E34...
For vehicles with production date from 09/1994
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Meyle - Corporate Logo
T#:55497432
Part#: 0500061555
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$ 12.99 USD
$ 12.99 USD
This is the main drive belt / serpentine belt that drives all of the engine auxiliaries, such as the alternator, water pump, and power steering pump. If your belt has excessive cracks, dry rot, missing teeth and/or grooves, or is causing noise, it's time for a new one.
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V-ribbed AC Belt
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Meyle - Corporate Logo
T#:55461428
Part#: 500061560
Special Order: No Guaranteed ETA
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$ 11.99 USD
$ 11.99 USD
A failing accessory belt not only kills your air conditioning, but a snapped belt can also whip around your engine bay, causing catastrophic damage to expensive pulleys, hoses, or fans.
Ignition Coil
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Meyle - Corporate Logo
T#:55497467
Part#: 3141390000
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$ 37.99 USD
$ 37.99 USD
This Meyle ignition coil is a factory-spec replacement designed to eliminate misfires and hesitation that plague aging ignition systems. Manufactured to strict tolerances, it delivers a reliable, high-voltage spark to ensure clean combustion under load.
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Hitachi Voltage Regulator - BMW E36 Z3 E34
For 100A Valeo alternators
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Hitachi - Corporate Logo
T#:48850070
Part#: 12321739435
Back Ordered
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$ 60.99 USD
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$ 60.99 USD
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Alternator voltage regulators are a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to keep vehicle voltage within a safe range, protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator
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