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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Turner Motorsport - Corporate Logo
T#:591153
Part#: 026698TMS01-01
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$ 42.74 USD
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This is a must-have for ALL BMWs, and simply installs in place of your existing drain plug. With every oil change you perform on your BMW, you'll be able to inspect for metal shavings and debris. Many times, if something is going wrong on your BMW's engine, the magnetic drain plug can give you an early warning. Our championship race team uses this info all the time (Ever find a piece of a valve spring in your oil? We have!) Be sure to get one now, and make the swap next oil change!
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Drilled Oil Pump Nut - S52 S50 M50 M52 M54
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:206177
Part#: OILPUMPNUT
In Stock
Sale - Save 15% $ 30.99

This product was last offered at the strikethrough price on
06-13-2026

$ 26.34 USD
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Don't let the oil pump nut back off on your s50/s52/m50/m52/M54 BMW 6 cylinder engine! These nuts have a habit of coming off in track situations, leaving you with no oil pressure and a blown engine. This nut, pre-drilled for safety wire, is the proper solution to the problem. A must if you track your car.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
1996-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
1996-2000 Z3 BMW M Roadster M Coupe
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
Not for Euro S50 E36 M3 euro models
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Turner Baffled Oil Catch Can Kit - 8oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:398784
Part#: 022798TMS01-07KT
In Stock
Sale - Save 15% $ 336.99

This product was last offered at the strikethrough price on
06-14-2026

$ 286.44 USD
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$ 336.99

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$ 286.44 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however, this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed/recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.
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Turner Baffled Oil Universal Catch Can Kit - 10oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:398786
Part#: 022798TMS01-09KT
In Stock
Sale - Save 15% $ 305.99

This product was last offered at the strikethrough price on
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$ 260.09 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow.
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Turner Motorsport Billet Aluminum Oil Filter Housing Drain-Back Valve...
For Non-VANOS M50B25 with Oil Filter Housing 11421738639
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:56110301
Part#: 060233LA01
In Stock
New Item
$ 49.99 USD
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If your M50, M52, or M54 engine takes a few seconds to build oil pressure after sitting, there's a good chance that your factory oil filter housing drain back valve has failed. Over time, the factory plastic check valve degrades, allowing oil to drain completely out of the housing and back into the oil pan while sitting. Every cold start essentially becomes a dry start, resulting in a loud ticking noise and causing unnecessary wear on your engine's internals.

Unfortunately, BMW does not offer this check valve as a standalone part, forcing you to purchase a costly, complete oil filter housing assembly just to fix one failed plastic component. Thankfully, our team of BMW enthusiasts took note of this common failure mode and designed a permanent, cost-effective fix.

Our Billet Oil Filter Housing Drain-Back Valve is designed as a direct-fit upgrade for your factory oil filter housing. CNC-machined from high-strength billet aluminum, this upgraded valve restores positive sealing to keep the oil filter housing fully primed. Maintaining this hydraulic prime ensures rapid oil pressure stabilization upon startup, directly mitigating dry-start bearing wear and top-end lifter starvation without requiring the purchase of a complete OEM housing assembly.

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T#:340390
Part#: PPK-E36
In Stock
Sale - Save 25% $ 378.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 282.53 USD
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Underdrive Power Pulleys work to 'free up' horsepower. Any accessory that spins from the main drive belt is using up power. That's power that could otherwise be used to move the car. By giving some of that power back to the engine, you can make the car faster! It's like FREE HORSEPOWER! We measured 10.7 whp at 6960 rpm and 8.1 lb-ft of torque at 5550 on a 1995 M3.

Underdrive pulleys for your BMW will slow down engine-mounted accessories - the water pump, power steering pump, and alternator*. These systems contribute to 'parasitic losses' - power lost from what the engine could produce if it did not have these systems. Since less energy is used to move them, that power is transferred back to the engine and used to propel the car. Our pulleys give a 10-20% reduction in rotation, releasing up to 11hp on most BMW six-cylinder engines. There's also a small but noticeable improvement in throttle response too! We have done extensive testing and development work, both on and off the track, to ensure that the accessory systems function as they should. On our Racing pulley kits we actually underdrive certain components more so we feel our Street pulleys are an ideal compromise between power/torque gains, reliability, and system performance. Our pulley kits have been on the market for over ten years, and used in all of our own cars, with zero component failures related to their use.

Our pulleys are made from T-6061 aluminum and finished in a durable black hard anodize that is very resistant to wear, chemical exposure, and heat. We designed our pulleys to look similar to the factory parts but also to be stronger and, in most cases, slightly lighter too. For example, a Turner alternator pulley is less than half the weight of the stock steel pulley! With our hardcoat aluminum you will never have to worry about a serious failure of a stock plastic pulley. A 'stealth' approach to aesthetics was our goal and we let the results speak for the pulley design. Installation is straight forward and easy with simple hand tools. Removal of the fan is required for access to the front of the engine. Total install time for a 3-piece pulley set should be around 1.5 hours. A new longer belt is included and we also recommend replacing the separate A/C belt, belt tensioners, and the guide and deflection pulleys at the same time.

Alternator Pulley Options
(click to expand)
Bosch or Valeo? BMW built your car with either a Bosch or Valeo brand alternator. Unfortunately, the pulley is not the same for both brands. The brand is usually printed on the black plastic cover of the alternator but may be facing the frame rail or the ground. If you know which brand you have, select your option below and we'll send you the correct alternator pulley for your BMW. Don't know which you have? NO PROBLEM! We can send you both. The 2nd pulley costs $40 but you will receive a refund once we get the un-used pulley back (return shipping not included).
Aftermarket Stereo Systems
(click to expand)
We offer our kits in two different ways: the full Power Pulley Kit with all 3 pulleys or a 2 pulley kit if you do not wish to underdrive your alternator (for large stereo systems or other battery-draining modifications). Our kits have been tested for compatability with the factory premium stereo systems (Harmon Kardon, etc). But any major alterations or upgrades from the factory system will work best with our 2 pulley kit and no underdriving of the alternator. For all stock stereo systems the 3 pulley set is recommended because the Turner alternator pulley will help make more power and is also much lighter than the stock pulley.


Additional Info
Clickhere for example dyno graph

Click here for installation instructions.


This underdrive pulley kit fits the following BMW:
1991-1995 E34 5 Series 525i without servotronic steering and without self-leveling
1992-1995 E36 3 Series 325i, 325is, 325ic
1995-1995 E36 M3 3.0 liter (S50) **US models only, coupe
1996-1999 E36 M3 3.2 liter (S52) **US models only, coupe, sedan, convertible
1997-2000 MZ3 Z3 M Roadster & Z3 M Coupe (US models, S52US)
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Single Vanos Billet Valve Cover - M50TU/M52, S50/S52
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:26238386
Part#: 030358LA
In Stock
Starting at $ 1,575.99 USD
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Starting at $ 1,575.99 USD
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Introducing our newest upgrade for your E36: a full billet aluminum valve cover engineered to eliminate factory and aftermarket valve cover issues. If you're familiar with our new Turner Motorsport products for 2023 and 2024 you can tell that our engineering team at Turner has a focus on older chassis, especially the E36.

Our valve cover is designed to fit some of the best engines BMW ever came out with, single vanos M50/M52 and S50/S52. Not only are these great motors in general and deserve an upgraded valve cover but they are also prime for boosting. When adding boosting you will be introducing heat which can wreak havoc on your ignition system and make your factory valve cover extremely prone to failure.

The reality of the M5x/S5x motors is that the plastic valve covers are sub-par and the magnesium versions are no longer available from BMW and even those can even warp. You can end up replacing your valve cover time and time again dealing with issues if you prefer but the option is here for you. The last valve cover you buy for your E36.

Our engineers designed this valve cover with experience and personal passion that offers a plethora of benefits for your M5x/S5x motor. Whether you plan to cherish your E36 for years to come or envision a turbocharger upgrade, our valve cover is the ultimate solution. It boasts rugged durability and brilliant aesthetics, ensuring it's a perfect fit for any enthusiast.

Featuring full 6061 billet construction and a type-3 hard coat finish, our valve cover is built to endure extreme conditions and rigorous use. Whether you opt to retain your factory PCV setup or upgrade to a catch can for racing purposes, the cover provides dedicated, direct-fit ports for both configurations.

The base kit includes all the necessary components for a seamless installation. Additionally, the description provides part numbers for optional replacements and add-ons, ensuring you have everything you need to complete your install.

Features:

Integrated -10AN ORB ports for a catch can setup to keep your intake free from oil in racing applications
Compatible with factory M5x/S5x ignition coil packs
Compatible with Red Top "Smart Coils" (Audi R8) for standalone ECU applications
Stainless steel coil pack heat shield for enhanced protection in factory and top mount turbocharger applications
Compatible with factory oil cap
Modular heatshield with bendable tab to accommodate 96-99 coil harness that crosses over the top of the exhaust manifold
Online instructions included for PCV, heatshield and coil pack installation
Benefits:

Leak-free - Never deal with a warped valve cover again thanks to the full billet aluminum construction
Retains all factory PCV functions
Protected ignition coils and wiring
Superior heat resistance - Will not melt like plastic replacement valve covers
Durable and clean anodized coating able to withstand excessive engine and exhaust temperatures
Optimized oil path for vanos/timing chain lubrication
Design:

Full 6061-T6 Billet Aluminum
Type 3 black hard coat for increased durability and thermal capacity
Compatible with all Single Vanos M5x/S5x engines
Heat shield with black anodized Turner back plate for a clean and durable finish
Designed to utilize M50/S50 valve cover gasket - fits all M50, M52, S50, S52
Kit options:

The base kit includes:
Billet Valve Cover
Heat Shield, PCV Adapter - QTY 1
-10AN ORB Block-Off Fittings - QTY 2
M50/S50 Valve Cover Gasket Set
Valve Cover Securing Hardware Grommets - QTY 15
Ignition Coil Install Hardware (M6x1, 25mm length) - QTY 12
Heat Shield Install Hardware (M6x1, 12mm length) - QTY 4
Optional Ignition Coils
PCV options:

There are different PCV connections based on year splits for M5x/S5x motors. If you have a damaged or worn-out PCV component please reference the replacement component that matches your motor.

(1995 Only) Valve cover breather connector - P# 11151703710
(1996-1999) Replacement oil separator hose - P# 11151703775
Looking for catch can and or AN lines and fittings?

Right angle catch can feed/return lines - T#26493912
Feed/Return line separator - T#26493913
Universal catch can kit with mounting - T#398786

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Turner Baffled Oil Catch Can Kit - 6oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:398782
Part#: 022798TMS01-05KT
In Stock
Sale - Save 15% $ 302.99

This product was last offered at the strikethrough price on
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$ 257.54 USD
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$ 302.99

This product was last offered at the strikethrough price on
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$ 257.54 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however, this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed/recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.
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Turner Baffled Oil Catch Can - Standard Flow 6oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:38419077
Part#: 022798TMS01-01
In Stock
Sale - Save 25% $ 218.99

This product was last offered at the strikethrough price on
06-14-2026

$ 164.24 USD
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Sale - Save 25%
$ 218.99

This product was last offered at the strikethrough price on
06-14-2026

$ 164.24 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system  baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.

Our catch can was also designed with the idea that the cans fill level can easily be checked with a top mounted dipstick and an optional use bottom drain hole. The drain system comes complete with a valve and hose to be mounted at a lower area of the vehicle so when you're doing an oil change you can drain the catch can.

Features:

  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
  • Strategically positioned 4 chamber baffle system maximizes oil / air separation 
  • Knurled and black anodized oil dipstick makes inspecting oil volume of reservoir clean and simple
  • Sealed with a pre-installed viton O-Ring
  • Includes 2.5mm allen key to remove baffle plates for cleaning
  • Engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can
  • Closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation
  • Optional use drain hole - drain kit included!
  • Universal mounting kit
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Turner Motorsport - Corporate Logo
T#:34147754
Part#: M5X-WPC-RB
In Stock
Sale - Save 25% $ 475.99

This product was last offered at the strikethrough price on
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$ 356.99 USD
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This product was last offered at the strikethrough price on
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$ 356.99 USD
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Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or rod bearing service!

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Turner Baffled Oil Catch Can - Standard Flow 10oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:38419079
Part#: 022798TMS01-03
In Stock
Sale - Save 25% $ 208.99

This product was last offered at the strikethrough price on
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$ 156.74 USD
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Sale - Save 25%
$ 208.99

This product was last offered at the strikethrough price on
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$ 156.74 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow.
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Turner Baffled Oil Catch Can - Standard Flow 8oz
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:38419062
Part#: 022798TMS01-02
In Stock
Sale - Save 25% $ 218.99

This product was last offered at the strikethrough price on
06-14-2026

$ 164.24 USD
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Sale - Save 25%
$ 218.99

This product was last offered at the strikethrough price on
06-14-2026

$ 164.24 USD
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When we designed this catch we wanted to have the most function options available, the best separation method, and the easiest to service. The Turner engineered catch cans offer a pre-setup design based ion desired flow direction, however this does not limit you to this flow. The inner baffle orientation can be easily adjusted to flow in both directions in case you decide to move this catch can to a different vehicle. A 4 chamber system  baffle system inside the catch can was engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can. Having a closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation.

Our catch can was also designed with the idea that the cans fill level can easily be checked with a top mounted dipstick and an optional use bottom drain hole. The drain hole can be used with a valve and hose to be mounted at a lower area of the vehicle so when you're doing an oil change you can drain the catch can.

Features:

  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
  • Strategically positioned 4 chamber baffle system maximizes oil / air separation 
  • Knurled and black anodized oil dipstick makes inspecting oil volume of reservoir clean and simple
  • Sealed with a pre-installed viton O-Ring
  • Includes 2.5mm allen key to remove baffle plates for cleaning
  • Engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can
  • Closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation
  • Optional use drain hole (valve and hose sold separately, watch for our model specific drain kits!)
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BMW M50 S50 S52 Turner Motorsport Power Pulley Kit - w/ Bosch Alterna...
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Bosch alternator only
Turner Motorsport - Corporate Logo
T#:392994
Part#: PPKE36KT
In Stock
Sale - Save 15% $ 382.99

This product was last offered at the strikethrough price on
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$ 325.54 USD
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This product was last offered at the strikethrough price on
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BMW M50 S50 S52 Turner Motorsport Power Pulley Kit: Boost Your BMW's Performance

  • Increases horsepower and torque
  • Improves throttle response and acceleration
  • Lightweight design reduces rotating mass
  • Precision-engineered for perfect fitment

Upgrade your BMW's performance with the BMW M50 S50 S52 Turner Motorsport Power Pulley Kit. This kit is designed to increase horsepower and torque by reducing the rotational mass of the engine's accessories. With improved throttle response and acceleration, you'll experience a more dynamic driving experience. The lightweight design of the pulleys reduces rotating mass, resulting in improved engine efficiency. Plus, each pulley is precision-engineered for perfect fitment, ensuring seamless integration with your BMW's engine.

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Turner Motorsport - Corporate Logo
T#:34147775
Part#: M5X-WPC-MB
In Stock
Sale - Save 10% $ 520.99

This product was last offered at the strikethrough price on
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$ 468.89 USD
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Sale - Save 10%
$ 520.99

This product was last offered at the strikethrough price on
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$ 468.89 USD
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Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or main bearing service!

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E36, Z3 Turner Motorsport Oil Pan Baffle Kit
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:921
Part#: TEN3631B36-GROUP
Ships in 1 day
Sale - Save 10% $ 247.99

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$ 223.19 USD
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Through experimentation and data acquired from our E36 World Challenge Touring Cars, it was discovered that in long corners and under heavy braking that there was an oil starvation problem in the M50 and M52 engines. This system was developed to keep oil in the sump and eliminate the starvation problem. After several iterations, further testing and data acquisition in the Touring Cars showed that this system eliminates the problem of oil starvation. This is a less expensive alternative to replacing the stock oil pan with the factory BMW M3 Lightweight oil pan, while still achieving the similar results.

*Requires Professional Welding

Installation instructions (E36/Z3 Oil Pan Baffle for M50, M52, S50, S52 engines)

 

This item fits the following BMWs:
1992-1999 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1992-1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW Z3 M Coupe M Roadster S52

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BMW E36 Z3 Turner Motorsport Power Pulley Kit
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:392993
Part#: PPKE36KT2
In Stock
Sale - Save 15% $ 382.99

This product was last offered at the strikethrough price on
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$ 325.54 USD
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Sale - Save 15%
$ 382.99

This product was last offered at the strikethrough price on
06-13-2026

$ 325.54 USD
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BMW E36 Z3 Turner Motorsport Power Pulley Kit is the ultimate performance upgrade for BMW enthusiasts. Designed by Turner Motorsport, this power pulley kit enhances engine performance and responsiveness, delivering an exhilarating driving experience. With its high-quality construction and precise engineering, it ensures durability and reliability for your BMW.

  • Designed by Turner Motorsport for optimal performance
  • Enhances engine performance and responsiveness
  • High-quality construction for durability
  • Precise engineering for reliability
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B58 Ignition Coil Conversion Kit - M50 M52 S50 S52
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:46959265
Part#: 044966LA
In Stock
Sale - Save 10% $ 347.99

This product was last offered at the strikethrough price on
09-03-2026

Starting at $ 313.19 USD
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Sale - Save 10%
$ 347.99

This product was last offered at the strikethrough price on
09-03-2026

Starting at $ 313.19 USD
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By the early 1990s, BMW had phased out its canister-style ignition coil in favor of an individual coil-on-plug system. The venerable M50 was one of the first engines to receive this update, which boasts greater overall efficiency through increased ignition control and spark energy. Unfortunately, over two decades later, the ignition coils used on the M50, M52, S50, and S52 engines are antiquated at best. Our team of engineers and BMW enthusiasts realized the need for an ignition system upgrade and set out to modernize the M5X ignition system with performance ignition coils pulled from the B58 parts bin.

WHY UPGRADE?

B58 ignition coils provide up to 2.5 times more spark energy than OE M5X ignition coils, effectively eliminating misfires even on high-performance setups. Whether your vehicle is heavily modified or completely stock, these ignition coils deliver unparalleled performance with zero downsides! For tuners, the Turner Motorsport kit also allows for precise adjustments to ignition dwell time through standalone engine management, giving you complete control over your engine’s performance.

Our kit utilizes the factory mounting locations and includes a proprietary boot design with a built-in 1k OHM resistor. Unlike many aftermarket options, our design prevents electrical contact springs from burning out, ensuring long-term reliability and durability. The included ignition coil bracket and cover plate are manufactured from durable 5052 aluminum, combining rugged durability with a premium aesthetic. Designed and optimized in-house using cutting-edge 3D scanning hardware and CAD software, our kit ensures a perfect fit and a clean, factory-like appearance. Installation is a breeze with the included adapter harness, allowing you to add modern ignition coils to your M5X with ease!

Eliminate misfires and unleash the full potential of your M5X-equipped BMW with our industry-leading B58 ignition coil upgrade. Designed for easy installation and unparalleled reliability, it’s the ultimate plug-and-play solution for performance enthusiasts.

FEATURES:

B58 ignition coils offer upwards of 2.5x more spark energy than the OE M5X ignition coils Eliminates common ignition system defects - no more chasing misfires or swapping around coil packs! The included brackets, cover plates, wiring harness adapters, and proprietary boots make for an easy installation Confirmed functionality with factory M3.3.1 (OBDI) and MS41 (OBDII) DME software PART DESIGN:

Bolt-on ignition coil brackets are manufactured from 5052 aluminum and feature a black anodized coating for superior durability, ensuring a lasting finish 5052 brushed aluminum cover plates ensure a cohesive, OEM+ aesthetic Utilizes factory ignition coil mounting locations and corresponding hardware for easy installation Our proprietary rubber boot design incorporates the factory B58 1K OHM resistor, preventing the electrical contact failure commonly associated with other aftermarket kits Coil adapter harnesses feature durable Weatherpack connectors, safeguarding each wire from exposure to water Compact design allows for retaining the factory beauty cover and/or clearance with aftermarket top-mount turbocharger kits KIT CONTENTS:

Turner Motorsport B Series Ignition Coils for M50, M52, S50, and S52 (6) Turner Motorsport B58 Ignition Coil Conversion Wiring Harnesses (6) Turner Motorsport B58 Ignition Coil Conversion Brackets & Cover Plates (6) Optional Selections: Spark Plugs: NGK BKR6EQUP (OEM), Bosch FGR7DQP (OEM), BMW 12120037607 (Genuine) Spark Plug Socket: Schwaben Extended 5/8" (16mm) Magnetic Spark Plug Socket, Bavarian Autosport 12" x 5/8" Spark Plug Socket INSTALLATION & SUPPORT:

Need installation tips? Our R&D team has assembled a full, start-to-finish installation tutorial, including detailed removal instructions and high-definition images! See the Installation PDF under the "INSTALLATION" tab for more information.

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Turner Motorsport - Corporate Logo
T#:54852009
Part#: 059043LA04KT
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Over time, the factory valve cover hardware on M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines is subjected to continuous heat cycling, oil vapor, and moisture, causing original cap nuts to oxidize, corrode, or thread-strip during routine maintenance. Our Polished Valve Cover Cap Nut serves as a direct replacement designed to address these common failure points while improving upon overall engine bay aesthetics.

Because maintaining precise gasket compression is critical to preventing oil leaks, these cap nuts and washers are machined directly to OE-style dimensions. This exact fitment allows for direct compatibility with original and replacement valve cover studs (see T#55317643) and ensures the hardware can be torqued precisely to OEM specifications without guesswork. Manufactured to grade 8.8 structural strength standards, the hardware maintains the necessary clamp force required under normal and high-performance engine operating conditions.

To resist corrosion, both the cap nut and washer undergo an electroless nickel plating process during production. Unlike standard zinc coatings that dull or rust over time, electroless nickel provides a uniform layer of corrosion resistance that withstands long-term chemical exposure and extreme temperature swings while giving the hardware a polished, high-end appearance. Each cap nut assembly includes an OE rubber washer seal, ensuring a tight, leak-free barrier that prevents oil from escaping through the mounting studs.

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Turner Motorsport - Corporate Logo
T#:55317643
Part#: 059043LA03
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This M7/6x29.5 threaded stud is used for securing the valve cover to the cylinder head on all M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines. Despite this crucial role in engine sealing and construction, BMW decided to discontinue this vital factory part in 2023. Recognizing the gap left by the discontinued factory hardware, our team of BMW enthusiasts reverse-engineered the original part—improving its materials and finish to bring a higher-quality, long-lasting solution to the market. Manufactured from high-strength Grade 8.8 steel and finished with a protective zinc coating, this upgraded stud delivers exceptional durability, reliable torque retention, and exceptional corrosion resistance under the hood.
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Burger Motorsports - Corporate Logo
T#:26404907
Part#: 12MMSPG
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Spark Plug Gapper Tool BMS Billet is essential for accurately adjusting the gap of spark plugs. This precision tool ensures that each plug is set to the exact specifications required for optimal engine performance. Made in the USA, it features a 12mm plug thread size, making it suitable for a wide range of applications.

  • Precision Adjustment: Allows for accurate gap adjustments to ensure optimal spark performance and engine efficiency.
  • Speed and Efficiency: Streamlines the process of gapping plugs while maintaining high precision, saving time and effort.
  • High-Quality Construction: Crafted from billet materials for durability and reliability, ensuring long-term use.
  • Lifetime Replacement Program: Comes with a lifetime replacement guarantee, reflecting confidence in the tool's quality and performance.

Upgrade your spark plug maintenance with the Spark Plug Gapper Tool BMS Billet for a reliable and precise solution.

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Rein - Corporate Logo
T#:370783
Part#: 11131437237
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Metal / Rubber gasket

Rein Piston Ring Set
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379819
Part#: 11251437077
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Standard bore replacement piston rings
Rein Piston Ring - Priced Per Piston - E28, E30, E34, E36
For vehicles with a production date up to 09/1992
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379806
Part#: 11251713192
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For use on stock pistons, will need 6 sets to replace all piston rings in the engine


Rein - Corporate Logo
T#:361056
Part#: 11142249533
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Replace when doing a clutch job.
BMW Oil Separator Valve | M60 3.0 / 4.0L
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:39059261
Part#: 11151747066
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BMW Oil Separator Valve | M60 3.0 / 4.0L is a vital component that ensures proper crankcase ventilation by separating oil vapors from blow-by gases, preventing excessive oil consumption and maintaining engine efficiency. Designed for BMW models equipped with the M60 3.0L and 4.0L engines, this oil separator valve helps reduce carbon buildup and extends the life of essential engine components. For optimal results, it is recommended to replace the valve cover and crankcase ventilation system (CCV) when changing the separator valve.

  • Effectively separates oil vapors to prevent excessive oil consumption
  • Helps maintain proper crankcase ventilation for optimal engine performance
  • Reduces carbon buildup and prolongs engine longevity
  • Direct-fit replacement for BMW M60 3.0L and 4.0L engines
  • High-quality materials ensure durability and resistance to engine heat
  • Recommended to replace valve cover and CCV for complete system maintenance

Ensure the longevity and efficiency of your BMW engine by replacing a worn oil separator valve with this high-quality replacement.

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Rein Water Pump Pulley - E34, E36, E39, Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:591716
Part#: 11511730554
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Located behind the fan blade, fan clutch bolts to this pulley

Burger Motorsports - Corporate Logo
T#:583132
Part#: BMSBSPGT14MM
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BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.

  • Precisely gaps spark plugs for enhanced engine performance and efficiency
  • Speeds up the gapping process while ensuring accuracy and uniformity
  • Available in two sizes (14mm and 12mm) for a wider range of compatibility
  • Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
  • Made in the USA for premium quality and durability
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Schrick - Corporate Logo
T#:3501
Part#: 05601880-00
Ships on Dec 18, 2026
$ 490.00 USD
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SEE T#338236

TurboSmart - Corporate Logo
T#:22591972
Part#: TS-0551-1011
In Stock at Vendor
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 387.99 USD
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$ 430.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 387.99 USD
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The Gen V WG38 Ultra-Gate 38 external wastegate is your cost-effective, high-performance solution. This 38mm external wastegate is meticulously designed for hassle-free bolt-on applications that make use of the 2-bolt flange.

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TurboSmart - Corporate Logo
T#:4921469
Part#: TS-0551-1012
Ships on Sep 22, 2026
10% off MSRP $ 430.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 387.99 USD
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$ 430.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 387.99 USD
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The Turbosmart GenV range is the Highest Flowing Wastegate range in the World. The GenV WG38 UltraGate38 External Wastegate is a Motorsport proven, cost-effective external wastegate. The GenV provides extensive user configuration, world-leading extended thermal performance, fatigue resistance, and best-in-class flow performance for optimum control and longevity. The GenV External Wastegate from Turbosmart was a ground-up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate like it. A direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap, and base for easy, 360-degree optional routing of reference hoses, optional liquid-cooling provision, 1/8″ NPT reference ports and are provided with the full range of available springs.
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Schrick - Corporate Logo
T#:21521
Part#: TMS21521
Ships on Dec 23, 2026
$ 3,470.66 USD
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These Schrick camshafts are the same specs as the stock US S50 cams -
Intake: 252 degree, 10.2mm lift
Exhaust: 244 degree, 9.5mm lift

With original S50/S52 cams in short supply, and a new set running over $2,000 from BMW, you can source new M3-spec cams from Schrick. These are the same specs as the US S50 engine and very close to the stock S52 cams. These make a great upgrade for M50 (325i, 525i) and M52 engines (328i, 528i) with the proper tuning. These bolt in just like the stock and M3 cams with no special hardware upgrades required - use your stock valve springs, lifters, etc. But for reliability we recommend replacing the lifters, valve springs, and retainers with new stock parts on high mileage engines.

Full cam specs: Schrick Technical Information / Specs

This item fits the following BMWs:
1993-1999 E36 BMW 325i 325is 325ic 328i 328is 328ic M3
1993-1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1997-1998 Z3 BMW Z3 2.8
1998-1999 Z3 BMW M Roadster M Coupe
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Schrick - Corporate Logo
T#:389586
Part#: 338236TCKRM3LJXJ
Ships on Dec 18, 2026
$ 490.00 USD
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Schrick - Corporate Logo
T#:206
Part#: 05601840-00
Special Order: No Guaranteed ETA
$ 479.00 USD
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$ 479.00 USD
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Schrick has been dedicated to engine performance through the development of only the highest quality camshafts for more than 40 years. They've created a bond with BMW enthusiast nearly the entire time, offering options for both the street and track using top materials for strength and accuracy. Schrick has grown into a technology center offering one of the most advanced locations for engine testing and manufacturing. This is Step 2 in Schrick's line of performance cams. The 284 degree cam will be great for owners who want to retain their driveability on the street and only need a modest boost in top-end RPM. Schrick recommends replacing the valve springs with high-performance springs for this application.
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Schrick - Corporate Logo
T#:4791
Part#: 005602022-062
Ships on Dec 23, 2026
$ 917.99 USD
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This Schrick valve spring set includes both the inner and outer valve springs for BMW's with the M20 6 cylinder engine. Designed for use with 272-284-288 degree camshafts. It is important to use Schrick Valve springs when installing camshafts with higher lift.

This item fits the following BMWs:
1987-1991 E30 BMW 325i 325ic 325is 325ix
1989-1990 E34 BMW 525i
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Schrick - Corporate Logo
T#:338236
Part#: 05601880-00
Ships on Dec 18, 2026
Starting at $ 490.00 USD
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E30 325i, E34 525 (M20) 288 degree Schrick Camshaft. This is Step 3 in Schrick's line of performance cams and the best balance of power and driveability. Expect a big boost of power at the top end but a slight loss in low-end torque. Schrick recommends replacing the valve springs with their own for this application.

BMW Schrick Technical Specs Schrick Technical Information / Specs
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Schrick - Corporate Logo
T#:338233
Part#: 05601040-00
Ships on Dec 23, 2026
Starting at $ 1,489.99 USD
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Schrick's most aggressive cam for the M20 engine. The 304-degree will make big power at the top but there will be a loss of low-end torque so this cam is only recommended for cars that see most of their time above 4000 rpm. Schrick High Performance valve springs are strongly recommended. This cam has a 12.2mm lift and will not clear stock M20 pistons.

BMW Schrick Technical Specs Schrick Technical Information / Specs
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Schrick - Corporate Logo
T#:338235
Part#: 05601840-00
Ships on Dec 23, 2026
Starting at $ 479.00 USD
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Starting at $ 479.00 USD
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E30 325i, E34 525 (M20) 284 degree Schrick Camshaft. This is Step 2 in Schrick's line of performance cams. The 284 degree cam will be great for owners who want to retain their driveability on the street and only need a modest boost in top-end RPM. Schrick recommends replacing the valve springs with high-performance springs for this application.

BMW Schrick Technical Specs Schrick Technical Information / Specs
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OEM Rein Engine Mount - Right - E31 E34 E32
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379814
Part#: 11811094150
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$ 55.09 USD
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This is an OEM Rein engine mount designed to replace your old hardened or broken mount.

BMW M30 6 Cyl. 284-Degree - Motronik- Camshaft
For Vehicles Equipped With Bosch Monotronik Only
Schrick - Corporate Logo
T#:349964
Part#: 002201840-04
Special Order: No Guaranteed ETA
$ 1,191.99 USD
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Schrick has been dedicated to engine performance through the development of only the highest-quality camshafts for more than 40 years. They've created a bond with BMW enthusiasts nearly the entire time, offering options for both the street and track using top materials for strength and accuracy. Schrick has grown into a technology center offering one of the most advanced locations for engine testing and manufacturing. These are the same cams used by many high-end German tuners who are achieving sizeable gains with the M30 engine. For the power-hungry, these cams are a great way to achieve a linear increase in horsepower from mid-range, up to redline. Duration Intake - 284 Duration Intake @ 1mm - Duration Exhaust - 280 Duration Exhaust @ 1mm - Intake Peak Timing - 110 Exhaust Peak Timing - 110 Cam Lobe Lift Intake - 8, 7 Cam Lobe Lift Exhaust - 8, 6 Valve Lift w/o Valve Clearance Intake - 10, 9 Valve Lift w/o Valve Clearance Exhaust - 10, 8 Valve Clearance Intake - 0, 25 Valve Clearance Exhaust - 0, 25
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Ferrea - Corporate Logo
T#:31
Part#: E11025-24
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E36 325, 328 M3 Ferrea Titanium Retainer Set - set of 24. Recommended to be used with the Ferrea Competition Plus Big Valves. MUST be used with the Ferrea high-performance valve spring and seat kit. See links below.

The goal at Ferrea is to create the finest valves and bearings money can buy. With a staggering array of applications for virtually every production engine in existence both gas and diesel, Ferrea has the parts you need to finish your next engine project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i
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Ferrea - Corporate Logo
T#:439
Part#: S10049-24
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Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicone steel These springs are manufactured with state-of-the-art equipment. Ferrea springs are heat-treated and stress-relieved, which dramatically increases the spring's life. Strict quality control procedures and cycle testing ensures consistency from batch to batch. Ferrea valve springs provide the stability needed for high lift, high rpm racing and street car engines. Kit includes a set of 24 springs. MUST be used with the Ferrea Spring Seat and Titanium Retainers. See links below. 

https://www.turnermotorsport.com/e/p-163-e36-325-328-m3-ferrea-spring-seat-set/ 

https://www.turnermotorsport.com/e/p-31-e36-325-328-m3-ferrea-titanium-retainer-set/



This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i

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Ferrea - Corporate Logo
T#:163
Part#: SL1021-24
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E36 325, 328 M3 Ferrea Spring Seat Set includes 24 seats. MUST be uses with the Ferrea valve springs. Recommended to be used with the Ferrea Competition Plus Big Valves and Ferrea Titanium Retainers. See links below.

The goal at Ferrea is to create the finest valves and bearings money can buy. With a staggering array of applications for virtually every production engine in existence both gas and diesel Ferrea has the parts you need to finish your next engine project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i
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Schrick - Corporate Logo
T#:338214
Part#: 002201840-04
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German-made Original Schrick performance camshaft for M30 engines in 1984-up E24 635CSi, E28 533i/535i / 535is, and the E34 535i. This camshaft has a bit more duration and higher lift than the stock cam for improved top-end performance.



Cam Specs
Cam Lift
(Valve Lift)
I/E (mm)
Duration CRA
Intake/Exhaust
Peak Timing
Valve Timing
CRA
IO-IC-EO-EC
Valve lift
at TDC
I / E (mm)
Valve
clearance
I / E (mm)
Recommended
valve springs
8.7/8.6
(10.9/10.8)
284/280/11032-72 70-301.9 / 1.70.25 / 0.251982-1984: 000202090
1985-1993: 005602022 (inner)
005602062 (outer)


BMW Schrick Technical Specs Schrick Technical Information / Specs


Note: this camshaft is designed to work on the "bolt-on" style distributor rotor. Some cars produced before 1985 with the "slide-on" style rotor require adaptor #11311288027.

Applications:
1984-1989 E24 633CSi, 635CSi
1984-1988 E28 533i 535i, 535is
1989-1993 E34 535i
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Rein Oversize Valve Guide
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379717
Part#: 11121735533
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$ 9.19 USD
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12.7mm (+0.2mm)
Rein Exhaust Valve - Sold Each - E28, E30, E34
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:584424
Part#: 11341708896
In Stock
Sale - Save 9% $ 18.35

This product was last offered at the strikethrough price on
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$ 16.65 USD
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Replace your worn valves
OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:15159
Part#: 17222245358
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This is the sealing o-ring used for many oil cooler kits on various BMW models. They're also a prime source for oil leaks because the o-ring gets 'flat' or shrinks or becomes damaged. These are usually easy to change though which puts an end to annoying small oil leaks.
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Rein O-Ring - E28, E30, E34
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:6693
Part#: 11151714390
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$ 5.80 USD
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OEM BMW ENGINE O-RING 11151714390
Rein Front Camshaft Seal - E28, E30, E34
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379646
Part#: 11121285609
In Stock at Vendor
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Found in lower timing cover